Product
Patsnap Eureka
For R&D, Patsnap Eureka makes reading and utilizing patents & technical documents easy.
Patsnap Eureka AIR
Designed for self-driven R&D workflows. Generate viable solutions, solve complex R&D challenges, empower your innovation with AI.
Patsnap Eureka Materials
Designed for material experts only. Revolutionize your material R&D, from search, analyze, to developing new materials.
Feature
TechResearch
Generate reliable direction feasibility study reports for your R&D in just a few steps.
TechSeek
Discover and master advanced knowledge NOW. Basics, ideas, possibilities, all at once.
TechMind
As an expert in R&D Theories, TechMind can generates customized viable solutions instantly.
TechRisk
Analyze your overall solution with one click, know your potential R&D risks in advance.
TechMonitor
Get weekly tech updates, stay abreast of the latest tech innovations and key insights.
Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
30 results about "Sodium edetate" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Endrate (Edetate Disodium Injection, USP) is a sterile, nonpyrogenic, concentrated solution of edetate disodium in water for injection which as a result of a pH adjustment with sodium hydroxide contains varying amounts of disodium and trisodium salts.
Shower gel for baby
InactiveCN103655415ANo side effectsMild in natureCosmetic preparationsToilet preparationsAcetic acidSodium edetate
The invention discloses shower gel for a baby, which is prepared from the following raw materials in parts by weight: 15-30 parts of deionized water, 10-20 parts of cow's milk, 1-4 parts of cocamidopropyl sweet and sour alkali, 1-3 parts of salicylic acid, 2-6 parts of hydroxypropyl methyl cellulose, 3-6 parts of alkenyl sulphonate, 4-6 parts of sodium edetate, 5-8 parts of cocoglycerides, 3-6 parts of sodium chloride, 6-12 parts of sodium laureth sulfate, 3-6 parts of citric acid, 1-4 parts of cocamidopropyl betaine, 2-5 parts of DMDM hydantoin and 4-9 parts of decyl glucoside. The invention provides shower gel for a baby, which has a mild nature and delicate milk incense taste, and has the effects of replenishing water, preserving moisture, and moisturizing the skin.
Owner:QINGDAO CHENXUTONG COMMERCE & TRADE
Snore stopping liquid and preparation process thereof
InactiveCN102166225AKeep moistReduce resistanceRespiratory disorderAlkali/alkaline-earth metal chloride active ingredientsGlycerolGlycerite
The invention discloses snore stopping liquid and a preparation process thereof. The snore stopping liquid is prepared by the following components in percentage by weight: 1 to 3 percent of tween80, 0.5 to 15 percent of glycerin, 0.5 to 1.5 percent of sodium chloride, 0.3 to 0.8 percent of sodium edentate, 0.1 to 0.3 percent of potassium sorbate and 80 to 90 percent of purified water. The preparation process comprises the following steps of: heating purified water and glycerin and then cooling, adding the tween80, the sodium chloride, the sodium edentate and the potassium sorbate and uniformly mixing to obtain the snore stopping liquid. After the snore stopping liquid drops into a nasal cavity, the snore stopping liquid can soften the mucous membrane of the pharyngeal portion, keep the mucous membrane between the nasal cavity and the throat wet, and reduce the resistance of the upper respiratory tract so as to improve the respiratory obstruction conditions and reduce or eliminate the snore symptom.
Owner:吴克
Freeze-dried powder preparation of kuh-seng native, preparation and detection method thereof
ActiveCN101428020AEasy to separateAccurate determination of contentOrganic active ingredientsPowder deliveryOxymatrineMANNITOL/SORBITOL
The invention provides a kurarinone freeze-dry powder preparation and a preparation method thereof. The preparation method comprises the following steps: filtering the solution of three components - kurarinone, mannitol, disodium edetate or calcio-sodium edetate in an appropriate proportion, freezing and drying, and then obtaining the freeze-dry powder preparation. Compared with the prior product, the preparation has the advantages that the stability is obviously improved, the expiry date can be as long as 24 months, and the characters of the product are not changed obviously; compared with the prior art, the preparation method is more simplified, and the production cost is saved. The invention also provides a method for detecting the content of oxymatrine in the product of kurarinone freeze-dry powder preparation. By optimizing the mobile phase and the detection condition, a highly-effective liquid-phase chromatographic detection method with better differentiation and stronger specificity is established.
Owner:HARBIN ZHENBAO PHARMA
Preparation method of atenolol injection
ActiveCN104434788AImprove solubilityQuality improvementOrganic active ingredientsPharmaceutical delivery mechanismSodium edetateSolvent
The invention discloses an atenolol injection. The atenolol injection is prepared from atenolol and pharmaceutically acceptable auxiliary materials, and the concentration of the atenolol injection is 0.45-0.55mg / mL according to the concentration of atenolol. The auxiliary materials comprise the following components: a composite solvent consisting of 1,2-propylene glycol and water, a buffer system consisting of sodium dihydrogen phosphate and disodium hydrogen phosphate, sodium chloride which is taken as an osmotic pressure regulator, and sodium edetate which is taken as a metal ion complexing agent, wherein in the composite solvent, the volume percentage of 1,2-propylene glycol accounts for 10-35%. The invention also discloses a preparation method of the atenolol injection. By adopting a mode of adding carbon twice, the purpose of adsorbing pyrogen in the injection can be achieved, and a main medicine of a solution cannot be significantly adsorbed. The atenolol injection prepared by adopting the method disclosed by the invention is good in stability and safe and effective in clinical use.
Owner:山东益康药业股份有限公司
Medicine composition for treating respiratory diseases and preparation method thereof
PendingCN109602910AReduce riskImprove stabilityOrganic active ingredientsDispersion deliveryDiseaseSodium edetate
The present invention relates to a medicine composition for treating a respiratory disease, and a preparation method thereof. The medicine composition comprises a beta-2 receptor agonist with a singleconfiguration, ipratropium bromide or a monohydrate thereof, a stabilizer, an osmotic pressure adjusting agent, a pH adjusting agent and a dispersion medium, wherein the stabilizer is one or more selected from sodium edetate and ascorbic acid, and the usage amount of the stabilizer is 0.002% to 0.02%.
Owner:SHANGHAI FANGYU HEALTH PHARMA TECH CO LTD
Method for detecting content of hydrazine substance in steroid hormone substance
The invention relates to a method for detecting the content of hydrazine substances in a steroid hormone substance, which comprises the following steps of: preparing a test solution, namely, weighinga steroid hormone substance containing hydrazine substances, adding a diluent, dispersing, adding benzaldehyde, uniformly mixing, adding an extracting agent, stirring, standing for layering, and taking a supernatant to obtain the test solution, the diluent being a mixed solution of diluted hydrochloric acid and ethanol, and the weight concentration of the diluted hydrochloric acid being 9.5-10.5%;preparing a hydrazine substance reference substance solution; determining chromatographic conditions: using octadecylsilane as a stationary phase, selecting a mobile phase for isocratic elution, andcontrolling the detection wavelength at 300-340 nm, and enabling the mobile phase to be 0.3g / L sodium edetate solution-acetonitrile; and determining the content of hydrazine substances. The method isgood in selectivity, high in accuracy and high in sensitivity.
Owner:HUNAN NORCHEM PHARMACEUTICAL CO LTD
A kind of esomeprazole sodium injection freeze-dried powder composition and preparation method thereof
The invention relates to a composition of esomeprazole sodium freeze-dried powder for injection and a preparation method thereof. The composition is mainly used for treating stomach burning sensation caused by non-erosive gastroesophageal reflux disease, Gastrointestinal diseases such as erosive esophagitis. The main ingredients of the composition are esomeprazole sodium, sodium chloride, sodium hydroxide, and calcium sodium ethylenediamine tetraacetate. During the preparation process, low-temperature feeding, nitrogen flushing protection, and low-temperature sublimation and low-temperature analysis and drying are used to prepare the composition. craft. The freeze-dried powder compound prepared by this kind of prescription and preparation process has beautiful freeze-dried shape, stable product quality, less impurity content, good resolubility, reduced production cost, expanded production batch, convenient clinical medication, and can obtain good results. economic and social benefits.
Owner:DEZHOU DEYAO PHARMA
Water-replenishing moisturizing essence with long-lasting moisturizing effects
InactiveCN111150675AGood moisturizing effectPromote hydrationCosmetic preparationsToilet preparationsHuman bodyGlycerol
The invention discloses a water-replenishing moisturizing essence with long-lasting moisturizing effects. The essence comprises the following components: hyaluronic acid, pentanediol, dipropylene glycol, butanediol, 1,3-propanediol, panthenol, glycerin, polysorbate 20, sodium edetate, octanediol, ethylhexylglycerin, phenoxyethanol and distilled water, wherein hyaluronic acid is a natural substancethroughout the human body, and plays an important role in tissue hydration, lubrication and cell functions; and panthenol has the potential to improve skin appearances including dryness, roughness, desquamation, pruritus and erythema, and in addition, moisturizing properties of panthenol improve the hydration of stratum corneum, reduce the loss of epidermal moisture, and maintain the skin's elasticity and softness. The water-replenishing moisturizing essence of the invention can keep cells moist for 24 h, is suitable for skin dryness, and can restore water to cells. The use of the product canmake cosmetics look better. At the same time, the product also has the anti-aging function, and can improve effects.
Owner:唐爱梅
A lubricant for root canal treatment
ActiveCN105213200BFavorable conditions for healingReduce reserve resistanceImpression capsDentistry preparationsGlycerolClinical trial
The invention discloses a lubricant for root canal treatment, which comprises sodium edetate, citric acid, carbamide peroxide, cetyltrimethylammonium bromide, sodium carboxymethylcellulose, glycerin and water. The lubricant of the present invention can soften the root canal wall, reduce preparation resistance, and is especially suitable for the preparation of large-tapered nickel-titanium instruments. By comparing the use of root canal lubricant (experimental group) and no use of root canal lubricant (control group) two groups of experiments Similarly, the results of clinical trials show that the use of root canal lubricants in the root canal preparation process, the detection rate of bacteria in the root canal was significantly lower than that of the group without lubricants, indicating that the use of lubricants in the root canal preparation process helps to eliminate the bacteria in the root canal. Bacteria, creating conditions conducive to the healing of clinical chronic apical periodontitis.
Owner:陕西恒远生物科技有限公司
Snore-stopping liquid and preparation method thereof
InactiveCN110115713AIncrease excitementAvoid eddy current vibrationOrganic active ingredientsInorganic non-active ingredientsSide effectGlycerol
The invention relates to the technical field of drug preparation, in particular to a snore-stopping liquid and a preparation method thereof. The anti-snoring liquid comprises active components, auxiliary materials and ionized water; the active components comprise sinapine, 3-methoxy-4-hydroxy cinnamic acid, senkyunolide A, vitamin B17, tween-80, glycerol, sodium chloride, sodium edetate, potassiumsorbate and polyethylene glycol. According to the anti-snoring liquid, the excitability of tissue nerves of the pharynx can be improved, the air channel can be kept open when a patient sleeps, and vortex vibration is avoided, so that the function of preventing snoring is achieved; the snore-stopping liquid is free of toxic and side effects and suitable for the patient to use for a long time; thepreparation method of the snore-stopping liquid can fully kill bacteria in the raw materials and in an injection, the stability of the anti-snoring liquid can be improved, and the storage time of theanti-snoring liquid can be prolonged.
Owner:ZHENGZHOU KANG JINRUI HEALTH PHARMA CO LTD
Anti-allergy whitening mask and preparation method thereof
InactiveCN107822925AMoisturizingLittle side effectsCosmetic preparationsToilet preparationsSide effectBetaine
The invention discloses an anti-sensitivity whitening mask, which includes a mask base liquid and a non-woven fabric. The mask base liquid is composed of A phase and B phase according to the mass ratio (2-3): 0.9, wherein the A phase is composed of the following Composition by weight: 5-10 parts of glycerin, 8-15 parts of sodium edetate, 2-8 parts of polyethylene glycol 400, 3-10 parts of betaine, 2-8 parts of hydrogenated castor oil, hydroxyethyl 6-12 parts of base cellulose, 1-10 parts of sodium alginate, 0.6-1.8 parts of carbomer, 1-6 parts of triethanolamine, 20-40 parts of water; the B phase is composed of the following parts by weight: benzene 0.5-2 parts of oxyethanol, 1-3 parts of methylisothiazolinone. The invention also discloses a preparation method of the anti-allergy whitening mask. The facial mask prepared by the invention has the effects of whitening and moisturizing, is anti-allergic, does not cause skin allergies, and has little side effects on the skin.
Owner:SHAANXI HUANKE BIOLOGICAL TECH CO LTD
Solar battery front surface silver paste and preparation method therefor
InactiveCN107316673AIncrease viscosityImprove conductivityNon-conductive material with dispersed conductive materialCable/conductor manufactureAntioxidantPolyvinyl alcohol
The invention discloses a front silver paste of a solar cell and a preparation method thereof. The silver paste includes the following raw materials: graphene, conductive silver powder, adhesive, cow dung oil, polypropylene alcohol, ethyl acetate, straw powder, sodium EDTA, antioxidant, leveling agent, and anti-aging agent. Preparation method: weigh the raw materials, immerse the graphene in cow dung oil, freeze-dry it, grind it for later use; prepare conductive silver powder, polypropanol, ethyl acetate, straw powder, sodium EDTA, antioxidant, fluid After the leveling agent and the anti-aging agent are evenly mixed, put them into the ball mill, then add the spare materials and adhesives in step 1, and stir to obtain a positive silver paste. In the present invention, graphene and cow dung oil are mixed and modified to improve the electrical conductivity of the graphene. In addition, the graphene has good physical properties, can improve the compressive resistance of the cured front electrode, and reduce the damage caused by friction during the use of the solar cell. question.
Owner:JURONG GCL SYST INTEGRATION TECH CO LTD
A kind of alcohol-free fountain solution and preparation method thereof
The invention discloses an alcohol-free fountain solution, which is characterized in that it is composed of the following raw materials in parts by weight: propylene glycol alginate 2-10, epoxy butyl stearate 1-5, glycine 1-3, arginine Acid 1‑3, Sodium Lauryl Sulfate 1‑8, Hydroxyethyl Urea 1‑5, Hydrogen Peroxide 0.5‑1, Tannin 1‑3, Vanillin 1‑2, Sodium EDTA1‑3 , silicone defoamer 0.2‑1, additives 5‑10, water 30‑50. The fountain solution of the invention does not need to add IPA or other alcohol additives during use, which not only reduces the cost, but also is gentle and harmless to the human body and the environment, and meets the requirements of energy saving, environmental protection and safety.
Owner:宋睿
Retinol binding protein detecting kit
InactiveCN109212198AImprove stabilityExtended storage timeBiological material analysisBiological testingPhosphatePhenyl Ethers
The invention discloses a retinol binding protein detecting kit, comprising a reagent R1 and a reagent R2, wherein the R1 reagent comprises a phosphate buffer solution, xanthine oxidase, polyethyleneglycol-6000, paraben, calcium acetate, Polyethylene glycol p-isooctyl phenyl ether, and sodium chloride; and the reagent R2 comprises retinol-binding protein antibody latex particles, potassium dihydrogen phosphate, hypoxanthine nucleotide, bovine serum albumin, sodium edetate, mannitol, and sodium azide. The retinol binding protein detection kit can effectively inhibit the non-specific reaction of autoantibodies, and has a function of promoting coagulation, which effectively improves the detection effect and detection accuracy, has the characteristics of good reaction effect and high stability, and improves the user's use effect.
Owner:浙江强盛生物科技有限公司
Formula and preparation of novel environmentally-friendly water-soluble rust inhibitor
The invention discloses a formula and preparation of a novel environmentally-friendly water-soluble rust inhibitor, wherein the components of the formula comprise triethanolamine, dodecenylsuccinic acid, sodium edetate and deionized water. The preparation steps comprise: adding sodium edetate to deionized water, and carrying out stirring dissolving to obtain a sodium edetate liquid; mixing triethanolamine and dodecenyl succinic acid, and stirring uniformly to achieve a viscous state so as to obtain a first mixed solution; continuously adding the sodium edetate liquid to the first mixed solution while stirring until the solution is transparent to obtain a second mixed solution; and standing the second mixed solution until the solution is layered, and removing the upper layer oil liquid to obtain the novel environmentally-friendly water-soluble rust inhibitor. According to the present invention, the novel environmentally-friendly water-soluble rust inhibitor has wide uses, can be directly used for the rust prevention of ferrous metal test members, can be used for blending cutting fluids, has good rust resistance, and further has characteristics of no harm to the human body and no environment pollution.
Owner:大连金龙石油化工厂
A kind of method for preparing sodium ethylenediamine ethanesulfonate
ActiveCN107935892BAvoid generatingLow costSulfonic acids salts preparationSulfonic acid preparationEthanesulfonic acidSodium edetate
The invention discloses a method for preparing sodium ethylenediaminoethanesulfonate. The method comprises the following steps: taurine, nitromethane and formaldehyde occur Mannich reaction to generate N-(2-nitroethyl) taurine, and then N-(2-nitroethyl) taurine Sodium ethylenediaminoethanesulfonate can be obtained through alkali neutralization and hydrogenation reaction. The product selectivity is greater than 99%, and the product yield is greater than 97%. The process route has abundant sources of raw materials, is environmentally friendly, has high product selectivity and high product yield, and is suitable for industrial production.
Owner:WANHUA CHEM GRP CO LTD
Freeze-dried powder preparation of kuh-seng native, preparation method thereof
ActiveCN101428020BEasy to separateAccurate determination of contentPowder deliveryOrganic active ingredientsOxymatrineSodium edetate
Owner:HARBIN ZHENBAO PHARMA
Ferrous sulfide dirt neutral complexing cleaning agent and preparation method thereof
ActiveCN103194325BTo achieve the purpose of safe productionImprove anti-corrosion performanceNon-ionic surface-active compoundsOrganic detergent compounding agentsChemical industryChemical treatment
Owner:GANSU HEIMA PETROCHEM ENG
A method for improving the hard water resistance of magnesium aluminum silicate inorganic gel
ActiveCN104478365BTroubleshoot app performance throttling dropsReduced precipitation of clear waterSodium phosphatesSilicic acid
The invention discloses a method for improving the hard water resistance of magnesium aluminum silicate inorganic gel, which comprises the following steps: (1) adding a modifier to powdery magnesium aluminum silicate inorganic gel; the modifier is selected from One or more of sodium carbonate, sodium fluoride, sodium phosphate, sodium oxalate, sodium citrate and sodium edetate; (2) After fully stirring, heat up to 30~80°C while stirring, and keep for 5 ~20min; (3) Cool to room temperature to obtain the modified magnesium aluminum silicate product. The modified inorganic gel product prepared by the inventive method is made into a 1% standard hard water dispersion system, and the amount of clear water precipitation after standing still for 24 hours is significantly reduced, or even no clear water precipitation, indicating that it has excellent suspension performance in hard water systems , which solves the problem that the existing magnesium aluminum silicate inorganic gel cannot be applied in hard water.
Owner:苏州中材非金属矿工业设计研究院有限公司
A kind of creatine kinase isoenzyme detection reagent
ActiveCN104374925BHigh activityEfficient removalMicrobiological testing/measurementMaterial analysisSodium acetateAntiendomysial antibodies
The invention discloses a creatine kinase isozyme detection reagent. The reagent is composed of reagent R1 and reagent R2 at a ratio of 4:1 by volume, wherein reagent R1 is composed of imidazole buffer, glucose, nanoparticles, N-acetylcysteine, sodium edetate, Adenosine diphosphate, coenzyme Ⅰ, ribonucleotide, pyruvate decarboxylase, 6-phosphate glucose dehydrogenase, hexokinase, goat anti-human CK-M polyclonal antibody and trehalose, reagent R2 is composed of imidazole buffer, creatine phosphate, sodium dodecylbenzenesulfonate and preservatives. The reagent of the invention is a stable, accurate and strong anti-interference reagent for detecting creatine kinase isoenzymes, and has high clinical application value.
Owner:BIOBASE BIODUSTRY (SHANDONG) CO LTD
A kind of ceramsite flower nutrient cultivation substrate and preparation method thereof
InactiveCN104860772BWide variety of sourcesLow costFertilizer mixturesSodium edetateNutrient solution
The invention belongs to the field of planting flowers in gardens, and in particular relates to a ceramsite flower nutrient cultivation substrate which simultaneously provides sufficient nutrients in the growth period of flowers and a preparation method thereof. The main body of the present invention is ceramsite, and ceramsite is immersed in nutrients, complexing substances and coating slow-release substances. The ceramsite is light clay ceramsite; the nutrient substance is sodium humate HA-Na; the complexing substance is at least Including one of disodium edetate EDTA‑2Na, sodium EDTA‑4Na and pentasodium diethyltriaminepentaacetate DTPA‑5Na; coating sustained-release substances include gluing agents and polymeric things. According to the present invention, the ceramsite has the characteristics of large specific surface area, loose and porous inside, and can accommodate a large amount of water and nutrient elements. The air in the internal pores of the ceramsite is extracted through a decompression and vacuum device, and then the nutrient solution is injected to make the nutrient solution adsorb on the ceramsite. The slow release inside the ceramsite makes the ceramsite support and nourish flowers at the same time.
Owner:HEILONGJIANG ACAD OF SCI INST OF NATURAL RESOURCES
Compound enzyme preparation and its preparation method and application
ActiveCN105296316BEliminate Cold HazeImprove temperature stabilityHydrolasesAlcoholic beverage preparationSodium edetateSolvent
The invention provides a compound enzyme preparation, which comprises the following components: papain 1-2.5×104U / liter, bromelain 1000-3000U / liter, proline endonuclease 0.1-10PPU / liter, benzene Sodium formate 0.1-1%, ascorbic acid 0.1-1%, sodium edetate 0.1-1%, glycerin 20-50%, solvent is deionized water. The compound enzyme preparation has good stability, long shelf life, long-lasting and obvious effect of eliminating cold turbidity, can greatly reduce the dosage of enzyme preparation, and has extremely high commercial and promotional value.
Owner:NINGBO XINUOYA MARINE BIOTECH CO LTD
A kind of oily sludge dewatering agent and its preparation method and dehydration method of oily sludge
ActiveCN107265825BImprove dehydration effectGood degreasing effectSludge treatment by de-watering/drying/thickeningSodium acetateMeth-
The invention provides an oily sludge dewatering agent and its preparation method and a dehydration method of oily sludge. The dehydrating agent includes methacrylamide, acryloyloxyethyltrimethylammonium chloride, formaldehyde, ethylenediamine, peroxide Ammonium sulfate, sodium bisulfite, sodium edetate, polyoxyethylene laureth (20), azobisisobutyronitrile, acrylic acid, and deionized water. The dehydrating agent has various good performances through the selection and synergy of specific components and a specific preparation method, can be used for dehydration treatment of oily sludge, and has good application value and promotion potential.
Owner:CHINA PETROLEUM & CHEM CORP +1
A kind of method for measuring edetate calcium sodium content in medicine
The invention relates to the technical field of pharmaceutical analysis, in particular to a method for measuring content of sodium calcium edetate in a medicine and more specifically relates to a method for measuring the content of the sodium calcium edetate in Cleviprex fat emulsion injection. According to the method, liquid chromatogram is used for detecting the sodium calcium edentate; before detection, pre-column derivatization is carried out on the sodium calcium edetate so that the sodium calcium edetate can be converted into sodium ion EDTA; then, spherical graphite carbon serves as filler of a chromatographic column, and a mixed solution of a ferric sulfate water solution and ethanediol serves as a mobile phase for detection, wherein the pH of the mixed solution is 1-2. When the method is adopted for detection, main peak trailing factors are optimal, the number of theoretical plates is large, the peak width is small, symmetry is good, and the content of the sodium calcium edetate in the medicine can be precisely measured.
Owner:李宏 +1
Clindamycin hydrochloride injection and preparation method thereof
InactiveCN113304106AReduce the degree of hydrolysisGood antibacterial effectAntibacterial agentsOrganic active ingredientsSodium edetateInjection solution
The invention relates to a clindamycin hydrochloride injection which contains clindamycin hydrochloride, sodium chloride for injection, L-cysteine and sodium edetate, the mass ratio of clindamycin hydrochloride to sodium chloride for injection to L-cysteine to sodium edetate is 50: (1-5): (0.04-0.2): (0.01-0.1), and the stability of the clindamycin hydrochloride injection is remarkably improved; meanwhile, a proper freeze-drying protective agent is selected so that the preservation time of the injection can be properly prolonged.
Owner:苏州天马医药集团天吉生物制药有限公司
A cleaning agent for heating and heating systems
The invention discloses a cleaning agent for a heating system, which specifically comprises: sodium edetate, thiourea, 5-chloro-2-methyl-4-isothiazoline-3-one, sodium nitrite , mercaptobenzothiazole, sodium dodecylbenzenesulfonate, hexamethylenetetramine, zinc sulfate, sodium borohydride, diethylenetriaminepentamethylenephosphonic acid, citric acid, potassium chromate, sodium alginate, The balance is water; the invention also discloses the preparation method of the cleaning agent. The use of this powerful cleaning agent can completely remove all kinds of rust spots, dirt and solidified substances attached to boilers and pipes, and a protective film can be formed on the surface of boilers and pipes after cleaning to reduce the scaling speed of boilers and pipes. The cleaning agent for heating and heating systems of the present invention has strong acidity, good water solubility, no toxicity to human body, no corrosion to boilers and pipelines, can significantly improve the thermal efficiency of boilers and pipelines, has simple preparation process, convenient operation, and safe and reliable use.
Owner:刘旸
A kind of preparation method of atenolol injection
ActiveCN104434788BImprove solubilityQuality improvementOrganic active ingredientsPharmaceutical delivery mechanismDrugs solutionAdjuvant
The invention discloses an atenolol injection, which is made of atenolol and pharmaceutically acceptable auxiliary materials, and the concentration is 0.45mg / mL-0.55mg / mL in terms of atenolol; the auxiliary materials include : Composite solvent composed of 1,2‑propylene glycol and water; buffer system composed of sodium dihydrogen phosphate and disodium hydrogen phosphate; sodium chloride as osmotic pressure regulator; sodium edetate as metal ion complexing agent. In the composite solvent, the volume fraction of 1,2-propylene glycol is 10%-35%. The invention also discloses a preparation method of the atenolol injection. The method of adding charcoal twice can achieve the purpose of adsorbing the pyrogen in the injection, and will not produce obvious adsorption to the main drug of the solution. The atenolol injection prepared by the invention has good stability and is safe and effective for clinical use.
Owner:山东益康药业股份有限公司
Special flocculant for filtering monoammonium phosphate and diammonium phosphate
InactiveCN109718578ASolid concentration reductionReduce lossesSedimentation separationSolubilityThiourea
The invention relates to a special flocculant for filtering monoammonium phosphate and diammonium phosphate, wherein the raw materials comprise: 90-120 kg of acrylamide, 45-60 kg of deionized water, 0.5-3 kg of urea, 1-4 kg of thiourea, 0.001-0.009 kg of2,2azodi(acetamidinatopropyl)dihydrochloride, 0.001-0.008 kg of sodium edetate, 0.001-0.008 kg of ammonium persulfate, and 0.001-0.009 kg of sodium bisulfite. According to the present invention, the product has advantages of high molecular weight, good solubility and fast dissolution rate; and with the special flocculant, the floc sedimentationrate is accelerated, the solid concentration of the supernatant liquid is significantly reduced, and the loss of phosphate minerals along with overflow is reduced.
Owner:扬州科苑化工有限公司
Freeze-dried ribavirin powder injection for injection and preparation method thereof
InactiveCN107823147AImprove reconstitution performanceImprove stabilityPowder deliveryOrganic active ingredientsDrugs solutionPorosity
The invention provides a ribavirin freeze-dried powder for injection, which is formed by freeze-drying a ribavirin drug solution, the pH of the ribavirin drug solution is 4.5-5.5, and every 2000mL of the ribavirin Lin drug solution contains: ribavirin 80‑120g, lactose 12‑18g, glycerin 4‑6g, trehalose 18‑22g, vitamin C7‑12g, edetate sodium calcium 2‑5g, appropriate amount of pH regulator, and water margin. Appropriate auxiliary materials are added to the formula of the present invention, and the synergistic effect of each component can improve the appearance shape and porosity of the freeze-dried product of the present invention, and make the surface of the product more smooth, and at the same time, the properties of the drug are also more stable, which is convenient for the preparation of the drug. Storage and transportation. Moreover, the preparation process is simple, the technical requirements are not high, the production cycle is relatively short, the quality of the prepared product is stable and controllable, and it is beneficial to long-term storage.
Owner:HAINAN GENERAL & KANGLI PHARMA
A kind of cutting fluid with antibacterial and antimildew effect and preparation method thereof
ActiveCN104120002BImprove permeabilityEasy to cleanLubricant compositionSalicylic acidSodium diacetate
The invention discloses a cutting fluid with antibacterial and antifungal effects, which is characterized in that it is made of the following raw materials in parts by weight: sodium edetate 2-3, triethanolamine 2.5-3.5, sodium diacetate 1-2 , garlic oil 3-4, 8-hydroxyquinoline 1-1.5, diethanolamine 3-4, salicylic acid 2-3, fatty alcohol polyoxyethylene ether 4-5, cyclohexyl hexaphosphate 3-5, Sodium petroleum sulfonate 3-5, borax 2-4, auxiliary agent 5-7, deionized water 200; the present invention adds 8-hydroxyquinoline and garlic oil with antibacterial and antifungal effects, and improves the cutting fluid that is easy to become smelly, The disadvantage of being difficult to preserve; adding additives enhances the anti-wear, dispersing, lubricating, and film-forming properties; the cutting fluid of the present invention contains a variety of surfactants, which has good permeability and cleaning properties, and has fast cooling speed, lubricity and Good anti-rust performance, suitable for all kinds of metal processing.
Owner:ANHUI HAODING METAL PROD LIMITED
Who we serve
- R&D Engineer
- R&D Manager
- IP Professional
Why Patsnap Eureka
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com