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34results about How to "Avoid easy decomposition" patented technology
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Diimmonium compound and use thereof
InactiveUS20050148786A1High visible light transmittanceHigh light transmittanceOrganic chemistryPhotomechanical apparatusInfraredAmmonium compounds
To provide a near-IR absorption compound free from antimony or arsenic and excellent in stability, especially, in heat resistance, light fastness, and moisture-and-heat resistance and also an IR absorption filter, an optical information recording medium, and a resin composition excellent in durability by using the near-IR absorption compound. The near-IR absorption compound is a diimmonium compound having the following structure and the resin composition contains the diimmonium compound: (wherein R1 to R8 independently denote hydrogen atom or an optionally substituted aliphatic hydrocarbon group; R9 and R10 independently denote an aliphatic hydrocarbon group optionally containing a halogen atom; and rings A and B may further have substituent groups.).
Owner:NIPPON KAYAKU CO LTD
Metal-based/diamond laser composite coating and preparation method thereof
ActiveCN104018156AAvoid easy decompositionInhibition of dissolutionMovable spraying apparatusLaser beam welding apparatusCompound aHardness
Owner:ZHEJIANG UNIV OF TECH +1
Electroless palladium plating bath and electroless palladium plating method
ActiveUS20090133603A1High in bath stabilityExcellent bath lifeSolid-state devicesAnti-corrosive paintsDecompositionPhosphinic Acids
Disclosed is an electroless palladium plating bath containing a palladium compound, at least one complexing agent selected from ammonia and amine compounds, at least one reducing agent selected from phosphinic acid and phosphinates, and at least one unsaturated carboxylic acid compound selected from unsaturated carboxylic acids, unsaturated carboxylic acid anhydrides, unsaturated carboxylates and unsaturated carboxylic acid derivatives. Such an electroless palladium plating bath has high bath stability, and decomposition of the bath hardly occurs. Consequently, the electroless palladium plating bath of the present invention has a longer bath life than conventional electroless palladium plating baths. In addition, this electroless palladium plating bath enables to obtain excellent solder bonding characteristics and wire bonding characteristics since it does not affect plating film characteristics even when it is used for a long time.
Owner:C UYEMURA & CO LTD
Electroless palladium plating bath and electroless palladium plating method
ActiveUS7678183B2Improve stabilityMaintain good propertiesSolid-state devicesAnti-corrosive paintsPhosphinic AcidsCarboxylic acid
Disclosed is an electroless palladium plating bath containing a palladium compound, at least one complexing agent selected from ammonia and amine compounds, at least one reducing agent selected from phosphinic acid and phosphinates, and at least one unsaturated carboxylic acid compound selected from unsaturated carboxylic acids, unsaturated carboxylic acid anhydrides, unsaturated carboxylates and unsaturated carboxylic acid derivatives. Such an electroless palladium plating bath has high bath stability, and decomposition of the bath hardly occurs. Consequently, the electroless palladium plating bath of the present invention has a longer bath life than conventional electroless palladium plating baths. In addition, this electroless palladium plating bath enables to obtain excellent solder bonding characteristics and wire bonding characteristics since it does not affect plating film characteristics even when it is used for a long time.
Owner:C UYEMURA & CO LTD
Preparation and its use of derivatization reagent for detecting l-carnitine or d-carnitine
ActiveUS20110281293A1Easy to useMore stableComponent separationOrganic chemistry methodsBody fluidDerivatization
A preparation method and its use of derivatisation reagent for detecting L-carnitine or D-carnitine are provided. The present reagent is stable. It can be used for detecting L-carnitine or D-carnitine accurately and sensitively. That is to say, the reagent is applied to detecting the amount of synthesized or natural L-carnitine and the amount of mixing D-carnitine. The compound reagent is used for determining the chiral isomers of chemicals, biological reagents, health care reagents, cosmetic, body fluids and various foods, which contain L-carnitine or / and D-carnitine, and optical isomers of other chiral amino acids.
Owner:GU SHUHUA +2
Titanium dioxide pigment and method for manufacturing same, and composition in which same is blended
InactiveUS20170130055A1Reduce yellownessGood yellowing resistancePigment treatment with organosilicon compoundsPigment treatment with non-polymer organic compoundsAlkaline earth metalMoisture
Provided is a titanium dioxide pigment having minimal yellow color and minimal yellowing due to exposure, i.e., good yellowing resistance and high pigment performance such as brightness. Also provided is a titanium dioxide pigment which has a reduced amount of volatile moisture and which does not readily decompose when blended with a resin or the like. In the present invention, a compound including 0.05-20% by mass of phosphorus and an alkaline earth metal is present on surfaces of titanium dioxide particles having an average particle diameter of 0.15-1.0 μm. The titanium dioxide pigment is manufactured by mixing an alkaline earth metal compound, a phosphate compound, and titanium dioxide particles having an average particle diameter of 0.15-1.0 μm, and bonding the compound including phosphorus and an alkaline earth metal to the titanium dioxide particles.
Owner:ISHIHARA SANGYO KAISHA LTD
Method for recovering hydroxyacetate from waste water of phenoxyacetic acid pesticides
InactiveCN104744254AAvoid easy decompositionAvoid lossOrganic compound preparationCarboxylic acid esters preparationPesticideDecomposition
The invention relates to a method for recovering hydroxyacetate from waste water of phenoxyacetic acid pesticides. The method comprises the following steps: subjecting waste water in production of the phenoxyacetic acid pesticides to concentration and desalting under the conditions of pressure reduction and heating so as to obtain concentrated waste water mother liquor containing glycolic acid; and treating the concentrated waste water mother liquor under acidic or alkaline conditions so as to recover hydroxyacetate. Compared with the prior art, the invention has the following advantages: glycolic acid is converted into hydroxyacetate instead of direct extraction since the content of glycolic acid in the waste water is low and glycolic acid cannot be extracted by using a conventional extraction method after complete drying of water by distillation in the presence of water as glycolic acid decomposes at 100 DEG C and is intermiscible with water; thus, the disadvantages that glycolic acid easily decomposes at a high temperature and is hard to separate and purify are overcome, and conversion of glycolic acid into hydroxyacetate enables loss caused by decomposition of glycolic acid to be avoided and recovery efficiency to be improved.
Owner:SHANGHAI TAIHE INT TRADE CO LTD +1
Method for adsorbing and decomposing lean nitrogen oxide using a mixed metal oxide catalyst
ActiveUS20120219487A1Efficient decompositionAvoid easy decompositionNitrous oxide captureGas treatmentDesorptionHydrotalcite
The present invention relates to a method of adsorbing and reducing nitrogen oxides using a mixed metal oxide catalyst, and more particularly, to a method of improving the efficiency of adsorption and desorption of nitrogen oxides using a mixed metal oxide catalyst prepared from a hydrotalcite precursor. According to the invention, NOx and N2O, which coexist with oxygen (O2) known to be very difficult to reduce and decompose, are efficiently decomposed by adsorbing and separating NOx and N2O from oxygen and then decomposing the adsorbed NOx and N2O using a reducing agent.
Owner:SANGMYUNG UNIV IND ACAD COOP FOUND
Disinfecting and sterilizing agent containing peroxide
InactiveCN106900707AAvoid easy decompositionExtended use timeBiocideDisinfectantsDecompositionMagnesium
The invention discloses a defoaming effervescent tablet containing magnesium monohydroperoxyphthalate and solving the problems of easy decomposition, unstable property, easiness in interference by organic matters, and strong stimulation and corrosivity and the like of the traditional peroxide disinfecting and sterilizing agent. The defoaming effervescent tablet contains magnesium monohydroperoxyphthalate hexahydrate, an effervescent disintegrating agent, a complexing agent, an anticorrosive agent and an adhesive.
Owner:CHANGJIANGMAI MEDICINE SCI & TECH BEIJING
alpha-Ketol unsaturated fatty acid derivative and plant growth regulating agent using same
InactiveUS7544821B2Promote decompositionDifficult to break downBiocideOrganic chemistryGrowth plantBud
α-Ketol unsaturated fatty acid derivatives represented by the general formula (1); and plant growth regulators containing the same, which develop plant growth regulation performance such as flower bud formation acceleration in low concentrations and are excellent in stability: wherein R1 is straight-chain C1-5 alkyl or a straight-chain unsaturated C3-5 hydrocarbon group having one or two double bonds; and R2 is straight-chain C1-15 alkylene or a straight-chain unsaturated C2-15 hydrocarbon chain having one to three double bonds, with the proviso that the number of carbon-carbon double bonds is at most four.
Owner:SHISEIDO CO LTD +1
Supported peroxides
InactiveUS20040124397A1Avoid easy decompositionPromote meltingOrganic chemistryOther chemical processesEmulsionWater insoluble
Owner:ARKEMA INC
Modified bio-related substance, process for producing the same, and intermediate
ActiveUS7524875B2Avoid easy decompositionBiocideEther/acetal active ingredientsPolymer scienceOrganic chemistry
A modified bio-related substance, wherein at least one poly(alkylene glycol)oxy group represented by the following formula (1) is combined in a molecule:wherein R is a hydrocarbon group having 1 to 24 carbon atoms, OA1 and OA2 are each an oxyalkylene group having 2 to 4 carbon atoms, the groups represented by R are the same or different from each other in one molecule, and the groups represented by OA2 are the same or different from each other in one molecule, n and m are each average number of moles of the oxyalkylene group added, n represents 0 to 1000, and m represents 10 to 1000.
Owner:NOF CORP
Supported peroxides
InactiveUS6699403B2Avoid easy decompositionPromote meltingOxygen/ozone/oxide/hydroxideOrganic chemistryEmulsionWater insoluble
Owner:ARKEMA INC
Encapsulated peroxide compositions
InactiveUS20030178600A1Easy to handlePrevent concentration stratificationOxygen/ozone/oxide/hydroxideOrganic chemistryEmulsionWater insoluble
The present invention provides supported peroxides, and a method of forming supported peroxides. Supported peroxides according to the invention are solid particles that include an organic peroxide, a metallic soap, and a polymer. In accordance with the method of the invention, supported peroxides are preferably formed by dispersing a mixture that includes at least one peroxide and at least one C4 to C30 carboxylic acid into an aqueous solution that includes a compound that is capable of reacting with the C4 to C30 carboxylic acid to form a water soluble soap. Dispersing the mixture into the aqueous solution results in the formation of an emulsion. Polymer is then added to the emulsion, and forms a polymer suspension. A polyvalent metal compound that is capable of reacting with the water soluble soap to form a water insoluble metallic soap is then added to the polymer suspension, which converts the water soluble soap into a water insoluble metallic soap that precipitates from the suspension. The organic peroxide and the polymer are entrained within the precipitate.
Owner:ARKEMA INC
Alpha-Ketol Unsaturated Fatty Acid Derivative And Plant Growth Regulating Agent Using Same
InactiveUS20090076309A1Promote decompositionDifficult to break downBiocideOrganic chemistryUnsaturated hydrocarbonDouble bond
An α-ketol unsaturated fatty acid derivative represented by the formula (1):wherein R1 indicates a C1 to C5 straight chain alkyl group or C3 to C5 straight chain unsaturated hydrocarbon group having one or two double bonds, R2 indicates a C1 to C15 straight chain alkylene or C2 to C15 straight chain unsaturated hydrocarbon chain having one to three double bonds, provided that the maximum number of double bonds between carbons is 4 and a plant growth regulating agent containing the same, expressing a plant flower budding promoting agent property or other plant growth regulating property at a low concentration, and superior in the stability.
Owner:SHISEIDO CO LTD +1
Supported peroxides
InactiveUS20030178599A1Easy to handleResistant to clumpingOxygen/ozone/oxide/hydroxideOrganic chemistryEmulsionWater insoluble
The present invention provides supported peroxides, and a method of forming supported peroxides. Supported peroxides according to the invention are solid particles that include an organic peroxide and a metallic soap. In accordance with the method of the invention, supported peroxides are preferably formed by dispersing a mixture that includes at least one peroxide and at least one C4 to C30 carboxylic acid into an aqueous solution that includes a compound that is capable of reacting with the C4 to C30 carboxylic acid to form a water soluble soap. Dispersing the mixture into the aqueous solution results in the formation of an emulsion. A polyvalent metal compound that is capable of reacting with the water soluble soap to form a water insoluble metallic soap is then added to the emulsion, which converts the water soluble soap into a water insoluble metallic soap that precipitates from the solution. The organic peroxide is entrained within the precipitate.
Owner:ARKEMA INC
Polyalkylene glycol derivative and modified bio-related substance
ActiveUS8003117B2Improve stabilityAvoid easy decompositionOrganic chemistryOrganic compound preparationHydrocarbonCarbon atom
A polyalkylene glycol derivative containing a compound of the formula (1):wherein R is a hydrocarbon group having 1 to 24 carbon atoms, OA2 is an oxyalkylene group having 2 to 4 carbon atoms, the groups represented by R are the same or different from each other in one molecule, the groups represented by OA2 are the same or different from each other in one molecule, m is an average number of moles of the oxyalkylene group added, m represents 10 to 1000, and X represents a functional group capable of chemically reactive with a bio-related substance,polydispersity Mw / Mn of the above polyalkylene glycol derivative in gel permeation chromatography satisfying the following relationship:Mw / Mn≦1.07wherein Mw represents a weight average molecular weight and Mn represents a number average molecular weight.
Owner:NOF CORP
Modified bio-related substance, process for producing the same, and intermediate
InactiveUS20090192320A1Avoid easy decompositionOrganic compound preparationDrug compositionsStereochemistryHydrocarbon
Owner:NOF CORP
Polyfunctional polyoxyalkylene compound, and producing method and intermediate thereof
ActiveUS8816099B2Improve stabilityStructural specificationOrganic compound preparationAmino-hyroxy compound preparationPolymer sciencePentaerythritol
A polyfunctional polyoxyalkylene compound represented by the following formula (1):wherein Z represents a hydroxyl group-removed residue of pentaerythritol or dipentaerythritol, R represents a hydrocarbon group having 1 to 24 carbon atoms, OA1 and OA2 represent an oxyalkylene group having 2 to 4 carbon atoms, L1 and L2 represent an alkylene group which may have an ester bond or the like in the alkylene chain or at the terminal end, and X represents a functional group capable of reacting chemically; R, OA1, OA2, L1, and L2 are the same or different from one another in one molecule, m and n are an average number of moles of the oxyalkylene group added, m represents 5 to 1,000, and n represents 0 to 1,000; p and q represent 0 or 1; r1+r2=4 or 6; and r1 and r2 are an integer of 2 or more.
Owner:NOF CORP
Rocuronium preparation with improved stability
ActiveUS20170128463A1Improve stabilityChange controlOrganic active ingredientsInorganic non-active ingredientsGeneration ratePotassium hydrogen phthalate
The present invention provides a rocuronium preparation with an excellent stability. The rocuronium preparation contains rocuronium and a buffer solution and having an adjusted pH of 3.5 or less (for example, 2.5 to 3.5). The buffer solution may be a citric acid-sodium hydroxide buffer solution, a tartaric acid-sodium hydroxide buffer solution, a potassium hydrogen phthalate-hydrochloric acid buffer solution, a glycine-hydrochloric acid buffer solution, or the like. Such a rocuronium preparation has, for example, after 6-month storage at 40° C., a generation rate of rocuronium-related substance C of 5% or less.
Owner:MARUISHI PHARMACEUTICAL CO LTD
Actuator
InactiveUS8715531B2Raise the ratioReduce contact areaGroup 4/14 element organic compoundsNon-fibrous pulp additionDopantSulfonate
A conductive polymer doped with a dopant can be expanded and contracted when electrically oxidized and reduced in a driving electrolytic solution containing an anion, and thereby can act as an actuator element in an actuator. The anion is a fluorine-containing ion derived from a strong acid, and the dopant is an aromatic sulfonate ion free of fluorine. The conductive polymer is a polymer containing a 5-membered heterocyclic moiety as a repeating unit, such as a polypyrrole or a polythiophene. When the conductive polymer is in an oxidized state, at least part of the 5-membered heterocyclic moieties has a carbonyl group.
Owner:HONDA MOTOR CO LTD
Electrode for solid-state battery and solid-state battery including same
PendingUS20220293956A1Avoid easy decompositionLower electrode resistanceSolid electrolytesFinal product manufactureThiocarboxylic acidPhosphoric Acid Esters
To provide an electrode for a solid-state battery, capable of improving uniformity of electrode materials and suppressing decomposition of a solid electrolyte or an electrode active material by a binder or a solvent. An electrode for a solid-state battery including a solid electrolyte including sulfide and / or oxide, an electrode active material, a binder, and a conductive auxiliary agent, at least one of the solid electrolyte and the electrode active material having a surface being modified with a surface modifying substance, wherein the surface modifying substance is at least one selected from the group consisting of carboxylate, thiocarboxylate, carboxylic acid, thiocarboxylic acid, phosphate ester, thiophosphate ester, ketone, nitrile, alcohol, thiol, and ether.
Owner:HONDA MOTOR CO LTD
Method for recovering hydroxyacetate from phenoxyacetic acid pesticide wastewater
InactiveCN104910017AAvoid easy decompositionAvoid separabilityOrganic compound preparationCarboxylic acid esters preparationAcetic acidAlcohol
The invention relates to a method for recovering hydroxyacetate from phenoxyacetic acid pesticide wastewater. The method comprises the following steps: carrying out concentrations desalting on wastewater for producing phenoxyacetic acid pesticides under reduced pressure heating conditions to obtain a wastewater concentrate mother liquor containing hydroxyacetic acid; and continuously reacting the wastewater concentrate mother liquor with alcohol in the presence of acidic cation exchange resin as a catalyst to obtain hydroxyacetate. Compared with the prior art, the method adopting the acidic cation exchange resin to substitute other acids as a catalyst has the advantages of technologic process simplification, reduction of the wastewater discharge amount, and recycling and reuse of the catalyst.
Owner:SHANGHAI TAIHE INT TRADE CO LTD +1
Synthesis Method of 3-Methylamino-1, 2-Propanediol
InactiveUS20120277471A1Reduce pressurePromote safe productionOrganic compound preparationAmino compound preparationSynthesis methodsDistillation
A synthesis method of 3-methylamino-1,2-propanediol is disclosed in the invention, and it includes the following steps: (1) adding glycerin chlorohydrin, aqueous monomethylamine solution and an amination catalyst, namely NaOH solution and NaHCO3, into a reactor, mixing the material sufficiently, and allowing amination reaction to proceed in two temperature stages; (2) removing monomethylamine and water from the amination solution after the amination reaction is completed, filtering out the solid resultant, and feeding the filtrate into a still; (3) distilling under reduced pressure to obtain 3-methylamino-1,2-propanediol, wherein the vacuum for distillation under reduced pressure is equal to or greater than 0.099 MPa and the temperature is 130-160° C. The product synthesized according to the invention, a liquid appearing colorless and transparent, has increased purity of over 99.5% (GC) and decreased impurities. Therefore, when this product is used for synthesis of iopromide as a hypo-osmolar nonionic contrast medium, it exactly meets the quality demand.
Owner:WEIFANG XINGXIN TECHN SERVICES
Encapsulated peroxide compositions
InactiveUS6764612B2Avoid easy decompositionExceptional resistanceOxygen/ozone/oxide/hydroxideOrganic chemistryEmulsionWater insoluble
The present invention provides supported peroxides, and a method of forming supported peroxides. Supported peroxides according to the invention are solid particles that include an organic peroxide, a metallic soap, and a polymer. In accordance with the method of the invention, supported peroxides are preferably formed by dispersing a mixture that includes at least one peroxide and at least one C4 to C30 carboxylic acid into an aqueous solution that includes a compound that is capable of reacting with the C4 to C30 carboxylic acid to form a water soluble soap. Dispersing the mixture into the aqueous solution results in the formation of an emulsion. Polymer is then added to the emulsion, and forms a polymer suspension. A polyvalent metal compound that is capable of reacting with the water soluble soap to form a water insoluble metallic soap is then added to the polymer suspension, which converts the water soluble soap into a water insoluble metallic soap that precipitates from the suspension. The organic peroxide and the polymer are entrained within the precipitate.
Owner:ARKEMA INC
Photocatalyst sheet and methods of welding and manufacturing the same
InactiveUS7910513B2Effect can be obtainedWelding is quite easyRoof covering using sealantsSynthetic resin layered productsFiberApatite
The present invention provides the photocatalyst sheet and the methods of welding and manufacturing the same, by which the substrate and resin of the photocatalyst-containing layer are not decomposed by photocatalyst particles, mutual welding of sheets is easy, and the photo-redox effect of a photocatalyst can be obtained. A photocatalyst sheet (1b) comprises a substrate (2) such as fiber and coated layers (3) on both sides of the substrate (2), and the coated layer (3) constitutes the photocatalyst-containing layer in which apatite-coated photocatalyst particles (4) are dispersed and fixed with resin. Here, the coated photocatalyst particles (4) on the surface of the photocatalyst-containing layer are so fixed as to have the parts exposed from the surface of the photocatalyst-containing layer. In case that photocatalyst sheets (1b) are mutually welded, the photocatalyst-containing layer of each photocatalyst sheet (1b) is not removed, and its surface is mutually held, and welded together by thermal welding or others.
Owner:TAIYO KOGYO CORPORATION
Rocuronium preparation with improved stability
ActiveUS10869876B2Improve stabilityChange controlOrganic active ingredientsInorganic non-active ingredientsGlycinePotassium hydrogen phthalate
Owner:MARUISHI PHARMACEUTICAL CO LTD
Method for preparing surface-modified nanosilicon dioxide from rice hulls
ActiveUS20150119595A1Increase equilibrium pressureImprove solubility of carbon dioxideSilicon organic compoundsSilicaPropanoic acidStrong acids
A method for preparing surface-modified nano silicon dioxide from rice hulls. The method includes: 1) pretreating rice hulls using a treating gas containing CO2 to remove metal ions, impurities, and dusts, and desiccating and grinding the rice hulls; 2) submerging the rice hulls into a dilute solution of phosphoric acid, boric acid, hydrochloric acid, formic acid, acetic acid, propionic acid, butyric acid, or a strong-acid-weak-base salt for between 4 and 8 hrs, controlling the immersion temperature not to exceed 10° C., leaching a resulting mixture, removing a filtrate, and desiccating the rice hulls; and 3) calcining the rice hulls in the absence of oxygen at a temperature of between 300 and 450° C.
Owner:WUHAN KAIDI ENG TECH RES INST CO LTD
Preparation and application of bismuth tungstate and carbon nitride composite photocatalytic material
ActiveCN113976165ALow costModerate band gapHeterogenous catalyst chemical elementsHydrogen productionTungstateHydrogen production
The invention discloses preparation and application of a bismuth tungstate and carbon nitride composite photocatalytic material, relates to a bismuth tungstate and carbon nitride composite photocatalytic material, and aims to solve the problems that a photocatalytic hydrogen production material synthesized in the prior art is relatively wide in forbidden band width, easy to compound photo-induced electron holes and poor in light absorption capability, and thus the existing photocatalytic hydrogen production material is low in hydrogen production efficiency and the like in the prior art. The composite photocatalytic material formed by compounding bismuth tungstate and carbon nitride is designed and developed, and the chemical formula of the composite photocatalytic material is Na9 [BiW11O38] / g-C3N4 (BiW11 / g-C3N4 for short). The synthesis method comprises the following steps: stirring sodium tungstate dihydrate and bismuth nitrate at normal temperature to prepare polyacid Na9 [BiW11O38], and compounding the polyacid Na9 [BiW11O38] with g-C3N4 to prepare the BiW11 / g-C3N4 composite photocatalytic material. The semiconductor composite photocatalytic material obtained by the method is used for preparing hydrogen by photocatalytic decomposition of water at normal temperature and normal pressure.
Owner:HARBIN UNIV OF SCI & TECH
Method for adsorbing and decomposing lean nitrogen oxide using a mixed metal oxide catalyst
ActiveUS8512662B2Avoid easy decompositionIt is difficult to reduceNitrous oxide captureGas treatmentDesorptionHydrotalcite
The present invention relates to a method of adsorbing and reducing nitrogen oxides using a mixed metal oxide catalyst, and more particularly, to a method of improving the efficiency of adsorption and desorption of nitrogen oxides using a mixed metal oxide catalyst prepared from a hydrotalcite precursor. According to the invention, NOx and N2O, which coexist with oxygen (O2) known to be very difficult to reduce and decompose, are efficiently decomposed by adsorbing and separating NOx and N2O from oxygen and then decomposing the adsorbed NOx and N2O using a reducing agent.
Owner:SANGMYUNG UNIV IND ACAD COOP FOUND
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