Matches 1 - 50 out of 121 1 2 3 >
Match Document Document Title
7504356 Nanoparticles of cerium oxide having superoxide dismutase activity  
A synthetic catalyst providing superoxide dismutase activity consists essentially of monodispersed nanoparticles of cerium oxide having a crystal lattice containing cerium in mixed valence states...
7459005 Chemical composition and method  
The invention relates to an aqueous solution consisting essentially of: (a) hydrogen peroxide; (b) at least one compound selected from the group consisting of complexing agents based on phosphonic...
7431775 Liquid detergent formulation with hydrogen peroxide  
A stabilized basic aqueous liquid detergent composition is disclosed. The composition comprises hydrogen peroxide, a hydrogen peroxide stabilizer or a mixture of hydrogen peroxide stabilizers, an...
7351764 Methods to enhance brightness of pulp and optimize use of bleaching chemicals  
Mechanical or Chemical pulp is treated with about 0.01 weight % to about 5 weight % of a Mixture. The Mixture is water; diethylenetriaminepentakis(methyl)phosphonic acid or its known salts;...
7169237 Stabilization of alkaline hydrogen peroxide  
A stabilized basic aqueous hydrogen peroxide composition is disclosed. The composition contains about 0.3 wt % to about 15 wt % of hydrogen peroxide; water; and a stabilizer system that contains...
6696093 Aldehyde donors for stabilizing peroxides  
The present invention is a method of stabilizing hydrogen peroxide in an aqueous solution, such as a circulating water slurry, comprising a peroxide, such as hydrogen peroxide. The aqueous solution...
6677466 Method for stabilizing hydrogen peroxide  
The invention relates to the use of one or more α-keto carboxylic acid esters and/or aldehyde carboxylic acid esters for stabilizing hydrogen peroxide during enzyme-catalyzed or metal-catalyzed...
6576213 Method of producing chlorine dioxide  
The invention relates to method of producing chlorine dioxide comprising the steps of: providing a reactor with an aqueous acidic reaction medium containing chlorate ions; reacting said chlorate...
6379711 Phosphomolybdic acid stabilizer for hydrogen peroxide  
Phosphomolybdic acid and partial alkali salts of phosphomolybdic acid are used as stabilizers for aqueous hydrogen peroxide.
6224845 Process for manufacturing an aqueous hydrogen peroxide solution  
Process for manufacturing a purified aqueous hydrogen peroxide solution, in which a crude aqueous hydrogen peroxide solution is subjected to a washing operation with at least one organic solvent...
5770739 Non-aqueous hydrogen peroxide complex  
An apparatus and process for hydrogen peroxide vapor sterilization of medical instruments and similar devices make use of hydrogen peroxide vapor released from a substantially non-aqueous organic...
5362412 Biodegradable bleach stabilizers for detergents  
A process of stabilizing bleaching agents in a detergent composition using a nonphosphorus-containing biodegradable stabilizer. The process involves incorporating into a detergent composition...
5302311 Cleaning solution of semiconductor substrate  
In cleaning a semiconductor substrate with a basic aqueous solution of hydrogen peroxide, it is an object to prevent metal impurities adhering to the substrate surface. A cleaning solution of a...
5211927 Method for stabilizing acidic aqueous hydrogen peroxide solution containing copper  
An acidic aqueous hydrogen peroxide solution containing copper can be stabilized by adding an amino acid having the formula ##STR1## wherein Ar is an aromatic group.
5206385 Urea-hydrogen peroxide-polyvinylpyrrolidone process  
Urea-hydrogen peroxide-polyvinylpyrrolidone (PVP) in the form of a free-flowing powder is stable against decomposition in water and alcohol solvents. The product is obtained by spraying an aqueous...
5183901 Urea-hydrogen peroxide-polyvinylpyrrolidone  
Urea-hydrogen peroxide-polyvinylpyrrolidone (PVP) in the form of a free-flowing powder is stable against decomposition in water and alcohol solvents. The product is obtained by spraying an aqueous...
5180514 Stabilizing system for liquid hydrogen peroxide compositions  
Aqueous peroxide bleaching compositions including organic components such as surfactants, fluorescent whiteners and dyes are effectively stabilized by the addition of a stabilizing system...
5130053 Stabilization of concentrated hydrogen peroxide solutions  
Concentrated solutions of hydrogen peroxide tend to decompose on storage, thereby losing their effectiveness, amongst other reasons by virtue of interaction with contaminating transition metals....
5122354 Histidine-hydrogen peroxide adduct and process for preparing same  
A crystallized, stable histidine-hydrogen peroxide adduct intermolecular-bonded at 1:1 ratio is provided.
5045296 Sodium carbonate perhydrate process  
A process is provided to react anhydrous carbonate with a particle size between 300 and 74 micrometers and hydrogen peroxide containing a hydroxyalkylidene diphosphonic acid to produce sodium...
5008093 Anhydrous complexes of PVP and hydrogen peroxide  
What is provided herein are substantially anhydrous complexes of PVP and H 2 O 2 in molar ratios of between about 2:1 and 1:1, respectively, which corresponds to between about 13% and about 23%...
5008036 Colloidal sols of antimony pentoxide in an aqueous medium and their preparation  
A colloidal dispersion of hydrous antimony pentoxide particles is made by a process which comprises introducing a particulate antimony component selected from the group consisting of antimony metal...
4981662 Stabilized hydrogen peroxide  
A stable hydrogen peroxide composition is provided of from 1% to 52% by weight hydrogen peroxide and 1,10-phenanthroline. The composition may contain other conventional additives suitable for...
4970058 Soda ash peroxygen carrier  
A novel composition of matter is claimed comprising particles which appear to comprise sodium carbonate, sodium percarbonate (also called sodium carbonate peroxide or sodium carbonate perhydrate),...
4966762 Process for manufacturing a soda ash peroxygen carrier  
A novel process is claimed for manufacturing a composition of matter comprising particles which appear to comprise sodium carbonate, sodium carbonate peroxide and a stabilizer such as, a...
4917122 Compositions for use in the production of integrated circuits and method for its preparation and use  
A photoresist stripping solution is prepared by adding hydrogen peroxide to concentrated sulphuric acid under controlled temperature conditions, preferably at below 20° C. The concentration of the...
4900469 Thickened peracid precursor compositions  
A thickened cleaning composition for laundry products incorporates low levels of a fluorescent whitening agent or dye, a surfactant, an acidic pH adjusting agent and an insoluble peracid precursor....
4900468 Stabilized liquid hydrogen peroxide bleach compositions  
Aqueous peroxide bleaching compositions that include surfactant, fluorescent whiteners and dyes are effectively stabilized by the addition of a heavy metal chelating agent and a free radical...
4889689 Method of disinfecting a soft contact lens with a diethylene triamine penta(methylenephosphonic acid) stabilized hydrogen peroxide solution  
A method of disinfecting a soft contact lens with a stabilized aqueous hydrogen peroxide solution having a pH between about 5.5 and about 7.5, a hydrogen peroxide content of between about 0.5 and...
4850729 Decontaminating composition and delivery system therefor  
A decontaminating composition and delivery system therefor. The decontaminating composition is prepared by combining a "per-salt", an activator for hydrogen peroxide which effects free radical...
4849198 Method of reducing the tendency of particulate active oxygen compounds to cake  
Particulate, active-oxygen compounds, especially sodium percarbonate, tend to cake during storage, which makes it more difficult to handle them. The invention reduces this caking tendency while the...
4812173 Stabilized hydrogen peroxide contact lens disinfecting solution  
Stabilized hydrogen peroxide disinfecting solutions containing diphosphonic acids (such as hydroxyethylidene diphosphonic acid), and glycerin are disclosed along with a disinfection method.
4770808 Stabilization of metal-containing hydrogen peroxide solutions  
Unless aqueous acidic hydrogen peroxide solutions are stabilized, an excessive rate of decomposition of hydrogen peroxide precludes their use for treatment of metal surfaces, such as of copper and...
4758416 Removal of H.sub.2 S from gas streams  
A process for the removal of H 2 S from sour gaseous streams is disclosed in which the sour gaseous stream is contacted with a solution containing solubilized iron chelates of nitrilotriacetic...
4744968 Stabilized aqueous hydrogen peroxide solution  
This invention relates to a novel stabilized aqueous hydrogen peroxide solution which comprises hydrogen peroxide in admixture with an aromatic polysulfonic acid, or a salt thereof.
4647441 Method for the regeneration of washing solution utilized for simultaneous washing of nitrous oxide and sulfur dioxide from exhaust gases  
In a method for the regeneration of washing solution, which is used for washing nitrous oxide and sulfur dioxide out from exhaust gases, a portion of the washing solution containing a...
4636368 Stabilized acidic aqueous solutions containing hydrogen peroxide and metallic ions and processes  
A stabilized acidic aqueous composition comprising hydrogen peroxide, metallic ions, and 3-amino-1,2,4-triazine, said triazine being present in an amount sufficient to improve the stability of said...
4614646 Stabilization of peroxide systems in the presence of alkaline earth metal ions  
An aqueous composition containing hydrogen peroxide, or a precursor which will form said peroxide in aqueous solution, is inhibited from decomposition in the presence of small amounts of copper,...
4606905 Cyclic process for hydrogen peroxide production  
A cyclic process for hydrogen peroxide production comprises a reduction of a quinone compound, followed by an oxidation into hydroperoxide, then finally a water extraction giving an aqueous...
4534945 Stabilization of high purity hydrogen peroxide  
An aqueous 25% to 35% solution of hydrogen peroxide with a residue on evaporation of 20 mg/l or less are stabilized against decomposition by a maximum of 1.4 mg/l tin. The tin is maintained in the...
4497725 Aqueous bleach compositions  
The present invention relates to aqueous alkaline bleach compositions containing hydrogen peroxide. Under alkaline conditions, it is particularly difficult to prevent the hydrogen peroxide...
4477329 Apparatus for maintaining peroxide concentration  
A modified alkaline peroxide pre-bond process for the surface treatment of titanium is useful as a practical production process. In this modified process, an exceptionally wide range of allowable...
4421730 Process for manufacturing highly pure chlorine dioxide  
Highly pure chlorine dioxide is generated very efficiently and safely in a single generator-crystallizer by reducing an alkali metal chlorate with chloride ion in a strong acid in the presence of...
4421668 Bleach composition  
A liquid bleach composition comprises a hydrogen peroxide precursor which includes as an enzyme an alcohol oxidase and as a substrate for the enzyme the corresponding alcohol, the enzyme and the...
4409197 Process for producing sodium percarbonate  
A process for producing sodium percarbonate which comprises reacting sodium carbonate with hydrogen peroxide in a working solution of sodium carbonate, hydrogen peroxide and water, said reaction...
4362706 Stabilizer system for commercial hydrogen peroxide  
Stabilizer formulations have been developed for commercial hydrogen peroxide stored in stainless steel containers. These stabilizers, which include benzene phosphonous acid, 2,2'-dithiobenzoic...
4328115 Chemical acidogen system for foodstuffs  
Coagulated protein food products such as cottage cheese, bakers' cheese, cream cheese and "tofu," i.e., soybean curd, are prepared by adding an aliphatic C 2 -6 dione and hydrogen peroxide to...
4325933 Process for stabilization of sodium percarbonate  
Sodium percarbonate can be stabilized by treatment with an aqueous solution of an alkaline earth metal salt to form a thin layer of an alkaline earth metal carbonate on the surface. The resulting...
4304762 Stabilization of hydrogen peroxide  
Effective stabilization of aqueous hydrogen peroxide solutions is achieved by the addition of a stabilizing phosphonate compound of the general formula: ##STR1## wherein n=1-4; and X=H or a...
4231890 Bleaching composition causing no color change or fading of colored and figured cloths  
A bleaching composition which does not cause color change or fading of fabrics, which composition contains 50 to 98 weight % of a peroxide which releases oxygen in an aqueous solution, 1 to 49...
Matches 1 - 50 out of 121 1 2 3 >