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33 results about "Zincum oxydatum" patented technology

Isothiazolinone biocides enhanced by zinc ions

The present invention relates to an antimicrobial composition comprising an isothiazolinone, such as 1,2-benzisothiazolin-3-one, and a zinc compound selected from zinc salts, zinc oxides, zinc hydroxides or combinations thereof. Useful zinc salts include for example, oxides, sulfates, chlorides, and combinations thereof. In use, the zinc from the zinc compound enhances the antimicrobial activity to the isothiazolin-containing composition. This enhancement permits achieving the desired antimicrobial activity at a lower usage rate than is achieved using the isothiazolinone in the absence of the zinc compound. The antimicrobial composition can also contain co-biocides, such as pyrithiones, including zinc pyrithione or copper pyrithione.
Owner:ARCH CHEM INC

Aqueous compositions based on polychloroprene

Water-containing compositions containing polychloroprene particles, zinc oxide particles having an average particle size of less than 150 nm and water. The compositions can be used as adhesives and / or sealants.
Owner:COVESTRO DEUTSCHLAND AG

Immobilized 1,2-benzisothiazolin-3-one

The present invention provides novel antimicrobial immobilized 1,2-benzisothiazolin-3-one / zinc oxide (BIT / ZnO) complexes useful as antimicrobial agents because of their resistance to being leached from the substrate to which they are attached. The present invention is also directed to methods for preparing the BIT / ZnO complexes, to BIT / ZnO complexes prepared by the novel methods, to methods for using the BIT / ZnO complexes to inhibit microbial growth or reduce the level of bacteria on the surface of a substrate, and to substrates protected from microbial attack by being treated with the BIT / ZnO complexes. The present invention is further directed to compositions comprising 1,2-benzisothiazolin-3-one which has been immobilized with zinc oxide.
Owner:TROY TECH CORP INC US

Multi-effect talcum powder and preparation method thereof

The invention belongs to the technical field of talcum powder, and particularly relates to multi-effect talcum powder and a preparation method thereof. The multi-effect talcum powder is mainly prepared from the following ingredients in percentage by weight: 60 to 80 percent of modified corn starch, 10 to 20 percent of microcrystalline cellulose, 1 to 10 percent of cassava starch, 1 to 10 percent of zinc oxide, 1 to 10 percent of tricalcium phosphate, 0.2 to 1 percent of fourstamen stephania root extracts, 0.5 to 2 percent of menthol, 0.5 to 2 percent of leontopodium leontopodioides herb extracts, 0.2 to 1 percent of oat kernel extracts, 0.02 to 0.1 percent of tea polyphenol and 0.1 to 0.5 percent of tocopheryl acetate. The talcum powder provided by the invention has various effects of removing prickly heat, relieving itching, absorbing moisture, giving fresh and cool feelings to the body, killing bacteria, calming the nerves and the like, wherein inorganic mineral talcum powder, silicaand silicon dioxide type substances which are not easy to metabolize are not contained, so that the safety is high.
Owner:苏州东方之宝生物药业有限公司

Medical silver-carrying antibacterial agent modified PP material and preparation method thereof

The invention discloses a medical silver-carrying antibacterial agent modified PP material and a preparation method thereof. The PP material is prepared through the following steps: weighing the components of PP, EPDM, a nanometer silver-carrying zirconium phosphate antibacterial agent, barium stearate, acetone, talcum powder, an antioxidant, titanium dioxide, dicumyl peroxide, butadiene rubber, a surface treating agent, lead stearate, propylene, zinc oxide and 5-ethylidene-2-norbornene in parts by weight, uniformly mixing the weighed components, and extruding and pelleting the uniformly-mixed components so as to obtain the PP material. The PP material has the advantages that the breaking elongation rate is 15-55%, the tensile strength is 28-30 MPa, the antibacterial rate for escherichia coli is 98-99%, the antibacterial rate for golden staphylococcus is 97.5-99.5%, the impact strength is 3-5 kJ / m<2>, the bactericidal rate for pseudomonas aeruginosa is 99-99.5%, and the bacteriostasis rate for salmonella typhimurium and Klebsiella pneumoniae is 92-96%.
Owner:SUZHOU BEC BIOLOGICAL TECH

Antibacterial powder coating and preparation method thereof

The invention discloses an antibacterial powder coating and a preparation method thereof. The powder coating is prepared from the following raw materials in parts by weight: 50-80 parts of E-03 epoxyresin, 8-10 parts of titanium dioxide, 3-5 parts of zinc oxide, 0.5-1.5 parts of leveling agent 6588, 8-10 parts of antibacterial filler and 0.5-0.8 part of a brightening agent C701. An antibacterialfiller is prepared; when the antibacterial filler is in contact with bacteria; metal ions on the surface of the antibacterial filler can penetrate through cell membranes to enter bacteria bodies, andcan be reacted with sulfydryl and amino on protease, which leads to enzyme inactivation, death of microorganisms or loss of the ability to divide and proliferate, at the same time, a bacterial cell membrane can be destroyed to denature protein, so that bacterial metabolism is prevented, and the bacterial cell membrane reacts with a head group of acidic phospholipid in the bacterial membrane to cause reduction of the permeability of the cell membrane and leakage of cell sap such as potassium ions in cells so as to kill bacteria.
Owner:陈金姑

One-D nano zinc oxide and vacuum electric arc prepn. process

This invention relates to a method to prepare one-dimension nanosized zincum oxide. The one-dimension nanosized zincum oxide is a kind of white powder which is generated from the mixture of zincum oxide or zincum powder and catalyst powder after discharge. The catalyst is combined from one or over two species of iron, cobalt, nickel, tin, magnesium, manganese, copper, chromium, titanium, gold, silver or their oxides. The preparation method is that, a graphite block or metal block is taken as discharge cathode. A cavity is set in a graphite bar as discharge anode, and the mixed zincum oxide or zincum powder and catalyst are filled into the cavity set in the graphite bar. The preceding discharge anode and cathode are placed into a discharge cavity and discharge is carried out in a 300Torr~1atm mixed-air environment with a discharge current of 50~130A. After discharge, the white powder deposited on the inner wall of the discharge cavity is zincum oixde crystal whiskers. The preceding mixed air is the mixture of inert gas and oxygen, with an oxygen volume fraction of 10~50%.
Owner:SOUTHEAST UNIV

Desulfurization catalyst, preparation method thereof and hydrocarbon oil desulfurizing method

The invention discloses a desulfurization catalyst which includes following components, on the basis of the total weight of the desulfurization catalyst, by weight: 5-30% of a silicon oxide source, 5-30% of aluminum oxide, 30-70% of zinc oxide, 2-15% of lead oxide, 1-20% of a molecular sieve having a BEA structure and / or a molecular sieve having an FAU structure, and 5-30% of an active metal. At least partial lead oxide and the zinc oxide are formed into a zinc-lead solid solution with a general formula being Pb<x>Zn<1-x>O, wherein 0<x<=0.12 and the x refers to atom molar ratio. The active metal is at least one of cobalt, nickel, iron and manganese. The invention also provides a preparation method of the desulfurization catalyst and a hydrocarbon oil desulfurizing method. The desulfurization catalyst is better in desulfurization activity and activity stability.
Owner:CHINA PETROLEUM & CHEM CORP +1

Inorganic powder synergetic antibacterial modified blend fiber filter material for humidifier

The invention discloses an inorganic powder synergetic antibacterial modified blend fiber filter material for a humidifier. The filter material is prepared from, by weight, 0.5-0.55 part of zinc oxide, 0.5-0.52 part of titanium dioxide, 0.09-0.1 part of lanthanum oxide, a proper amount of absolute ethyl alcohol, 0.1-0.12 part of sodium phosphate, 0.8-1 part of sodium silicate, a proper amount of hydrochloric acid with concentration of 1 wt%, a proper amount of deionized water, 20-22 parts of PET resin, 48-50 parts of chitosan fiber, 32-34 parts of viscose acetal fiber, 9-10 parts of acrylic resin and 0.8-1 part of triethanolamine oleate. The filter material has excellent water absorption performance, can increase the humidifying amount under the equivalent energy consumption and meanwhile can improve air quality when used in the humidifier.
Owner:ANHUI GALAXYLA PURIFICATION ENG

Special sterilizing water purifier for aquiculture and preparation technology thereof

The invention discloses a special sterilizing water purifying agent for aquaculture and a preparation process thereof. The water purifying agent components include 10-20 parts of polydimethyldiallylammonium chloride and 8-20 parts of microbial flocculant in parts by weight. 12 parts, 4‑10 parts of Andrographis paniculata extract, 3‑8 parts of yeast extract, 4‑12 parts of trace element solution, 2‑6 parts of nano silicon dioxide, 1‑4 parts of nano zinc oxide and 3‑9 parts of chitosan share. The preparation process of the invention is simple, and the prepared water purifying agent has the functions of water purification, deodorization and antibacterial, and reduces the incidence of aquaculture aquatic products.
Owner:方政

Method for determining protein, sodium, kalium, calcium, magnesium in prescription nutrition food

The application provides a method that measures protein, sodium, potassium, calcium and magnesium in infant formula nutritional foods by utilizing an ion chromatograph, comprising the following steps: a sulphuric-acid-oxydol architecture is used for digesting a food sample, a zinc oxide neutralizing method or a hydrogen iodide reducing method is used for adjusting pH value, and the ion chromatograph is used for the measurement under specific conditions and the like. The measuring method can overcome the defects of low efficiency, severe matrix interference and bad reproducibility of measuring methods in the prior art.
Owner:北京市大兴区疾病预防控制中心

Topical drug composite and application and preparation method thereof

The invention discloses a topical drug composite, and the formula comprises: by weight, 15-20 parts of rhizoma coptidis, 15-50 parts of radix scutellariae, 20-30 parts of lithospermum, 15-25 parts of safflower carthamus, 15-20 parts of myrrh, 15-50 parts of raw rhubarb, 50-100 parts of pseudo-ginseng, 15-50 parts of polygonum cuspidatum, 40-70 parts of zinc oxide, 0.8 part of anisodamine, 150 parts of borneol and 320-380 parts of sesame oil. The invention further discloses application of the topical drug composite in the preparation of drugs treating skin injury which comprises skin burn, skin scald, skin ambustion, skin lesions caused by radiation and chemotherapy, bedsore, and skin fester caused by other reasons.
Owner:郭光华 +2

Preparation method of additive

The invention relates to a preparation method of an additive. According to the method, the additive is prepared from citric acid, tartaric acid, Tween-80, alkylphenol ethoxylates, fatty alcohol-polyoxyethylene ether, polyethylene glycol, polyacrylamide, iso-tridecanol polyoxyethylene ether, sorbitan trioleate, sulfuric acid, ethylene glycol, triethylamine, gelatin and other substances under a series of conditions. The substances are added to germanium-containing zinc oxide smoke leachate and uniformly mixed, an effective protective layer is formed on the surface of tannin germanium slag precipitate generated in the tannin germanium precipitation process, the capacity of adsorbing impurity ions such as Zn, Fe, Mn and As in the zinc oxide smoke leachate during precipitation is weakened, thegermanium grade in tannin germanium slag is improved, and the quality of a germanium concentrate prepared in the subsequent procedure is improved. The prepared additive is small in dosage and high inefficiency, excessive additives which do not participate in the reaction can be removed in the subsequent excessive tannin removal process, subsequent procedures are not affected, and great economic value is achieved.
Owner:KUNMING UNIV OF SCI & TECH

Topical drug composite and application and preparation method thereof

The invention discloses a topical drug composite, and the formula comprises: by weight, 15-20 parts of rhizoma coptidis, 15-50 parts of radix scutellariae, 20-30 parts of lithospermum, 15-25 parts of safflower carthamus, 15-20 parts of myrrh, 15-50 parts of raw rhubarb, 50-100 parts of pseudo-ginseng, 15-50 parts of polygonum cuspidatum, 40-70 parts of zinc oxide, 0.8 part of anisodamine, 150 parts of borneol and 320-380 parts of sesame oil. The invention further discloses application of the topical drug composite in the preparation of drugs treating skin injury which comprises skin burn, skin scald, skin ambustion, skin lesions caused by radiation and chemotherapy, bedsore, and skin fester caused by other reasons.
Owner:郭光华 +2

Rare-earth-based complex environment-friendly marine antifouling paint and preparation method thereof

The invention discloses a rare-earth-based complex environment-friendly marine antifouling coating and a preparation method thereof. The rare-earth-based complex environment-friendly marine antifouling coating is prepared from a lanthanum ternary complex, self-polishing resin, a synergistic antifouling agent, zinc oxide, organic color paste, an organic solvent, natural rosin and a thixotropic agent. A lanthanum ternary complex is selected as an antifouling agent, and the antifouling agent has a rare earth and pyridine heterocyclic ring inorganic-organic dual antifouling mechanism; meanwhile, by utilizing the biocompatibility characteristic of tryptophan, the permeability of the complex to cells is improved, the repellency of bacteria to the antifouling agent is reduced, rapid permeation is realized, and the binding capacity of active groups and internal structures of the bacteria is enhanced, so that the metabolism of the bacteria is effectively inhibited; the antibacterial agent has the advantages of broad antibacterial spectrum, strong antibacterial ability, lasting antibacterial effect, stable antibacterial performance, low ecological safety risk and the like.
Owner:XIAMEN INST OF RARE EARTH MATERIALS

Concealer and preparation method thereof

The present invention provides a concealer and a preparation method thereof. The concealer comprises the following components by weight: 10.00 to 30.00% of water, 0.25 to 1.25% of cyclopentasiloxane,1.00 to 3.25% of cyclohexasiloxane, 5.00 to 10.00% of isotridecyl isodecanoate, 8.00 to 12.00% of ethylhexyl methoxy cinnamate, 2.00 to 8.25% of titanium dioxide, 0.50 to 1.00% of aluminum hydroxide,5.00 to 9.00% of stearic acid, 3.00 to 4.00% of zinc oxide, 2.12 to 2.55% of polydimethylsiloxane, 1.00 to 3.55% of polyethylene, 7.00 to 10.00% of a coloring agent, 2.00 to 5.00% of the extract of Jasminum officinale, 1.00 to 3.00% of chamomile extract, 1.00 to 2.55% of jojoba seed oil, 0 to 1.00% of mixed lavender oil, 5.00 to 10.55% of shea butter, 1.00 to 5.55% of disteardimonium hectorite and1.55 to 5.55% of cyclomethicone.
Owner:吴静

Antibacterial purple sand and preparation method thereof

The invention provides antibacterial purple sand which takes a purple sand base material and an antibacterial material as raw materials, the antibacterial material takes tetrapod-like zinc oxide, ethylene glycol polyoxyethylene ether, lanthanum oxide and cerium oxide as main raw materials, and the antibacterial purple sand is prepared by the following steps: dissolving lanthanum oxide and cerium oxide and then adjusting the pH value to 7-9. after combustion, adding into a turbid liquid composed of tetrapod-like zinc oxide, ethylene glycol polyoxyethylene ether and water, drying, firing, and grinding with a composite additive and ethylene glycol polyoxyethylene ether to obtain the product. The purple sand base material and the antibacterial material can be well fused, the obtained antibacterial purple sand has good antibacterial performance, the antibacterial performance on staphylococcus aureus reaches 99.99%, the forming performance and using performance of the purple sand are not affected due to addition of the antibacterial material, and the obtained antibacterial purple sand is moderate in water absorption rate, the thermal shock resistance is good, lead and cadmium are not contained, the deformation of the product is small, leakage is avoided, and the use performance is good.
Owner:包头中科陶瓷科技有限公司

Nano-zinc oxide composite material based on bacillus thuringiensis as well as preparation method and application thereof

The invention discloses a nano-zinc oxide composite material based on bacillus thuringiensis as well as a preparation method and an application thereof. The preparation method comprises the following steps: (1) culturing bacillus thuringiensis (Bt for short); (2) preparing Bt diluent; and (3) synthesizing the nano-zinc oxide composite material by using Bt: adding zinc salt solution to the Bt diluent in the step (2) for conversion, and finally obtaining the nano-zinc oxide composite material Bt-ZnO NPs by adjusting influence factors such as bacterial liquid concentration, zinc acetate concentration, conversion temperature, time and reaction system pH. The preparation method has the characteristics of being simple in operation process, green, free of pollution, mild in reaction condition, and easy to operate. The prepared material has the advantages of being uniform in particle size, good in dispersity, and good in insect resistance.
Owner:JIANGSU UNIV OF SCI & TECH

Molybdenum disulfide nanoflowers supported zinc oxide quantum dots and its application in ammonia synthesis electrocatalyst

The invention provides a method for preparing zinc oxide quantum dots supported by molybdenum disulfide nanoflowers. Ammonium molybdate and thiourea are added to a certain amount of deionized water, stirred evenly to obtain a clear solution, and then an appropriate amount of hydrochloric acid solution is added for hydrothermal reaction. Obtain molybdenum disulfide nanoflowers; add molybdenum disulfide nanoflowers to absolute ethanol containing a certain amount of zinc acetate in an ice bath, stir while ice bathing, and add an absolute ethanol solution with a certain amount of strong alkali to the above solution dropwise During the process, stir while adding dropwise, let it stand after the dropwise addition, and then keep it warm at a temperature of 80-100°C. The obtained product is washed, dried, and burned with argon gas. The burned sample is the molybdenum disulfide nanoflower loading Zinc oxide quantum dots. The prepared ammonia synthesis electrocatalyst with black zinc oxide grown on the surface of molybdenum disulfide uses the incomplete coordination of the surface atoms of black zinc oxide to increase the catalytic active sites, so that the ammonia synthesis electrocatalyst with black zinc oxide grown on the surface of molybdenum disulfide can be used in electrocatalysis at room temperature synthetic ammonia.
Owner:CHINA THREE GORGES UNIV

Preparation method of antimicrobial mould-proof stainless steel coating containing silver, zinc and cerium

The invention relates to a preparation method of an antibacterial and mildew-proof stainless steel coating containing silver, zinc and cerium, and belongs to the field of antibacterial and mildew-proof materials. The steps of the invention are (1) adding sodium dihydrogen phosphate aqueous solution to the zinc oxychloride aqueous solution to react to obtain a nano-scale zinc phosphate carrier; (2) putting the zinc carrier into an ultrafiltration membrane system for filtration; (3) adding the sol precipitation to the Dissolve in pure water, add antibacterial metal ion aqueous solution, adsorption, displacement reaction; (4) Add cerium nitrate aqueous solution, silver nitrate aqueous solution, zinc nitrate aqueous solution to the sol suspension; (5) Add oxalic acid and stir; (6) Suction filtration, Cleaning the reaction product, drying it, pulverizing it, and calcining it; (7) preparing hydrocolloid glue; (8) coating it evenly on stainless steel tableware and drying it. The product prepared by the invention has the characteristics of good corrosion resistance, no discoloration on the surface of the material, low cost, less pollution, simple process and easy control, and can be widely used in the fields of chemical industry, food, printing and dyeing, cosmetics, biopharmaceutical and electromechanical.
Owner:SHANGHAI CHENXIAN IND

Green soil remediation method

The invention provides a green soil remediation method includes the steps: 1) calcining palygorskite PAL, carbon, silver oxide, zinc oxide, praseodymium oxide, cerium oxide and dysprosium oxide to obtain modified PAL powder in the presence of protective gas; 2) fermenting livestock and poultry manure, straw, vegetable leaves, rapeseed cakes, sugarcane peel, the modified PAL powder, lactobacillus acidophilus, streptococcus thermophilus and lactic acid bacteria in the aerobic condition, then heating the system to 75 DEG C or more, carrying out heat treatment, then concentrating, drying and freezing to produce an organic fertilizer; and 3) spraying the organic fertilizer onto the field. The method can make the soil have excellent fertility.
Owner:安徽乐农环保科技有限公司

A kind of preparation method of organic wastewater adsorption degradation agent

The invention relates to a preparation method of an organic waste water adsorption degrading agent, belongs to the field of waste water treatment, and further relates to the organic waste water adsorption degrading agent which is prepared by taking sodium silicate and zinc sulfate as raw materials, taking silica gel as a carrier and taking zinc hydroxide as an active component for adsorbing organic matter in organic waste water and regenerating and recycling. The preparation method of the organic waste water adsorption degrading agent has the beneficial effects that (1) in the preparation process, zinc hydroxide can be uniformly distributed into silica gel, and the product adsorption and degradation are carried out synchronously, and the adsorption degrading agent has very high adsorption and degradation capabilities; (2) the adsorption degrading agent can be regenerated and recycled, is convenient to regenerate, and saves the processing cost of organic waste water; (3) the adsorption degrading agent has the using effects of high adsorption and decoloring capability of the adsorption degrading agent, clear effluent and stable water quality.
Owner:江苏密西西比水务有限公司

An antimicrobial composition

Disclosed is an antimicrobial composition comprising zinc pyrithione and habit modified crystals of zinc oxide preferably comprising entrapped particles of water soluble protein. The protein may be selected from at least one of sericin, bovine serum albumin, gelatin, egg-albumin, casein, zein, whey or lysozyme. The composition may be used for personal cleansing and is especially preferred to be delivered as a shampoo or hair conditioner.
Owner:UNILEVER IP HLDG BV

Zinc thiazole preparation method used for reducing impurity content of zinc thiazole

The invention relates to a zinc thiazole preparation method used for reducing impurity content of zinc thiazole. The zinc thiazole preparation method used for reducing impurity content of zinc thiazole comprises following steps: A, an alkali solution is adopted to dissolve thiadiazole to form a thiadiazole salt solution; and B, the thiadiazole salt solution and a zinc salt solution are subjected to mixing reaction to obtain zinc thiazole; wherein in the step A, the pH value of the thiadiazole salt solution is 9 to 14, and in the step B, the pH value of the thiadiazole salt solution and the zinc salt solution mixed reaction solution system is 8 to 13. The zinc thiazole preparation method is adopted in study of factors in zinc thiazole preparation process influencing generation of impurity zinc hydroxide and impurity thiadiazole, and raw material solution pH value and reaction process pH value are adjusted to solve the problems in the prior art.
Owner:JIANGSU XINNONG CHEM

A kind of regeneration method of desulfurization adsorbent

The invention discloses a regeneration method for a desulfurization adsorbent, which specifically comprises the following steps: (1) purging under inert gas conditions to remove organic matter and other reducing substances attached to the surface of the deactivated desulfurization adsorbent; High-temperature roasting under oxygen gas conditions to remove carbon and sulfur components in the adsorbent; (3) high-temperature roasting under inert gas conditions to make the by-product zinc oxysulfate generated in step (2) react with unreacted zinc sulfide to form Regenerate the target product zinc oxide, further improve the regeneration effect of the deactivated adsorbent, and complete the regeneration of the adsorbent. The adsorbent regeneration method of the present invention can not only effectively restore the activity and sulfur capacity of the desulfurization adsorbent, but also eliminate the by-products generated during the regeneration reaction, and is especially suitable for the adsorbent regeneration process in the adsorption desulfurization process.
Owner:DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI

Zinc oxide particle preparation and methods of use

A method of using ZnO particles for the treatment of colon cancer and a method of using the particles for reducing the concentration of an organic contaminant in an aqueous solution is described. The ZnO particles are substantially spherical and may have nanopetals that provide a nanoflower morphology. The synthesis and characterization of the ZnO particles is also discussed.
Owner:IMAM ABDULRAHRNAN BIN FAISAL UNIVERSITY

Green soil repairing method

The invention discloses a green soil repairing method, comprising: 1) calcining palygorskite PAL, carbon, silver oxide, zinc oxide, praseodymium oxide, cerium oxide and dysprosium oxide in the presence of shielding gas to obtain modified PAL powder; 2) fermenting livestock manure, straw, vegetable leaves, rapeseed cake, sugar cane skin, the modified PAL powder, lactobacillus acidophilus, streptococcus thermophilus and lactic acid bacteria under an aerobic condition, and then heating a system to 75 DEG C or higher for heat treatment, and then concentrating, drying, and freezing to obtain organic fertilizer; 3) applying the organic fertilizer to a farm land. The method not only can make soil have excellent fertility but also can relieve soil hardening.
Owner:安徽乐农环保科技有限公司

Methods of inhibiting neutrophil recruitment to the gingival crevice

Methods of increasing proteins that reduce signals associated with neutrophil recruitment and reducing proteins that induce neutrophil recruitment within an individual's gingival crevice are disclosed. The methods comprise applying to the individual's oral cavity in an amount effective to increase proteins that reduce signals associated with neutrophil recruitment and reduce proteins that induce neutrophil recruitment within an individual's gingival crevice, an oral care composition comprising: zinc oxide, zinc citrate, stannous fluoride, and optionally arginine and / or zingerone.
Owner:COLGATE PALMOLIVE CO

Zinc chloride hydroxide having excellent zinc ion sustained-releasability and production method therefor

Provided are: zinc chloride hydroxide that is useful as a pharmaceutical ingredient, has excellent zinc ion sustained-releasability when used as a pharmaceutical agent, and exhibits excellent stability as a pharmaceutical ingredient; and a production method therefor. The present invention pertains to zinc chloride hydroxide that can be used as a pharmaceutical ingredient, that has excellent zinc ion sustained-releasability, that comprises at least one member selected from the group consisting of zinc chloride, zinc hydroxide, and zinc oxide, and that, after an elution test is performed on a zinc chloride hydroxide hydrate containing simonkolleite by an agitation method, shows a Zn2+ ion elution per surface area of 0.25-100 [mu]g / m2 and a pH of not lower than 7.0 but lower than 8.3.
Owner:KAWATETABU MINING
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