Patents
Patents for C01B 15 - Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides (4,123)
07/1990
07/27/1990CA2008651A1 Process for the preparation of hydrogen peroxide (i)
07/19/1990DE3900752A1 Process for preparing granulated peroxo compounds
07/18/1990EP0378389A1 Recovery of hydrogen peroxide
07/18/1990EP0378388A1 Production of hydrogen peroxide
07/17/1990US4942025 Process for the manufacture of granular monohydrated sodium perborate
07/10/1990CA2232771A1 Production of hydrogen peroxide
05/1990
05/23/1990EP0369711A2 Phosphate composition and uses thereof
05/22/1990US4927627 Oil in water emulsion
05/22/1990US4927512 Process for production of hydrogen peroxide by a chemical photoreduction of oxygen, and hydrogen peroxide obtained by this process
05/16/1990EP0368100A2 Particulate composition containing bleach and an optical brightener and process for its manufacture
05/11/1990CA2002904A1 Phosphate composition and uses thereof
05/02/1990EP0366419A1 Production of hydrogen peroxide
04/1990
04/25/1990EP0364840A1 Process for manufacturing a soda ash peroxygen
04/18/1990EP0364374A1 Process for manufacturing hydrogen peroxide
04/18/1990EP0363852A1 Soda ash peroxygen carrier
04/10/1990US4915849 Process for the treatment of effluents containing cyanide and other oxidizable substances
04/10/1990US4915781 Stabilized hydrogen peroxide compositions
04/03/1990US4913834 Storage stable fluid detergent formulations with bleaching action
03/1990
03/29/1990DE3908127A1 Verfahren zur herstellung von kaliumpersulfat hoher reinheit A process for producing high purity potassium persulfate
03/22/1990WO1990002703A1 Process for producing perborate
03/21/1990EP0358853A2 Stabilizing particulate additives compounds for hydrogen peroxyde and use thereof
03/14/1990EP0358094A1 Process for preparing perborate
03/13/1990US4908114 Mobile atom insertion reaction, mobile atom transmissive membrane for carrying out the reaction, and reactor incorporating the mobile atom transmissive membrane
03/07/1990CN1040184A Stabilized hydrogen peroxide compositions
03/07/1990CN1040183A Hydrogen peroxide compositions contg. substd. oxybenzene compound
02/1990
02/28/1990EP0355417A1 Process for the treatment of effluents containing cyanide and/or other oxidizable substances
02/28/1990CN1040008A Stable granular hydrogen peroxide adduct and use thereof
02/27/1990US4904458 Process for the manufacture of sodium perborate monohydrate from sodium perborate tetrahydrate
02/21/1990CN1039775A Hydrogen peroxide compositions containing a substituted aminobenzaldehyde
02/13/1990US4900468 Stabilized liquid hydrogen peroxide bleach compositions
02/13/1990CA1265656A1 Preparation of hydrogen peroxide
02/08/1990WO1990001034A1 Macrocyclic organic polyphosphonates
02/07/1990EP0353273A1 An anti-inflammatory oxidizing agent, the procedure for its production and various applications.
02/06/1990CA1265411A1 Storage stable fluid detergent formulations with bleaching action, for textiles, and related preparation process
01/1990
01/31/1990EP0353084A2 Stabilized hydrogen peroxide compositions
01/31/1990EP0353083A2 Hydrogen peroxide compositions containing a substituted oxybenzene compound
01/31/1990EP0353082A2 Hydrogen peroxide compositions containing a substituted aminobenzaldehyde
01/30/1990US4897252 Production of hydrogen peroxide
01/30/1990US4897085 Solvent extraction with ethylbenzene
01/24/1990EP0351772A2 Stabilized hydrogen peroxide
01/24/1990CN1038998A Stabilization of hydrogen peroxide
01/17/1990EP0351334A1 Process for manufacturing nuclear fuel pellets comprising the production and the use of flowable and frittable powders directly obtained by precipitating peroxides
01/16/1990US4894211 Process for the production of granular sodium perborate monohydrate having good mechanical strength
01/16/1990US4894209 Process for obtaining a uranium-bearing concentrate of high purity from liquors contaminated with zirconium
01/04/1990DE3822348A1 Purification process for hydrogen peroxide
01/03/1990EP0349153A2 Stabilizing system for liquid hydrogen peroxide compositions and compositions so stabilized
01/03/1990EP0348464A1 2-neopentylanthraquinone
01/03/1990CN1038437A Hydrogen peroxide method using optimized h+ and br- concentration
12/1989
12/26/1989US4889705 Hydrogen peroxide method using optimized H+ and BR- concentrations
12/20/1989EP0347339A1 Stabilization of hydrogenperoxide
12/20/1989EP0346667A1 Solutions of permonosulphuric acid
12/13/1989CN1037874A Hydrogen peroxide production method using platinum / palladium catalysts
11/1989
11/29/1989CN1005912B Process for purifying working solution
11/15/1989EP0342048A2 Hydrogen peroxide production method using platinum/palladium catalysts
11/15/1989EP0342047A2 Hydrogen peroxide method using optimized H+ and Br- concentration
11/14/1989US4880566 Silicate-and magnesium-free stabilizer mixtures
11/08/1989EP0221931B1 Oxidation method and device by means of an anthraquinone process for producing hydrogen peroxyde
11/07/1989US4879043 Manufacture of high purity hydrogen peroxide by using reverse osmosis osmosis
10/1989
10/24/1989US4875973 Hydrogen peroxide compositions containing a substituted aminobenzaldehyde
10/24/1989US4875972 For etching printed circuit boards
09/1989
09/26/1989CA1260670A1 Superoxidized sodium perborate
09/19/1989US4867956 Lioh-li2o2-libo5
09/19/1989US4867902 Microencapsulated oxygen generators
09/19/1989CA1259470A1 Stabilized aqueous hydrogen peroxide solution
08/1989
08/29/1989US4861506 Stabilized particles of peroxygen compounds, process for their manufacture, and compositions containing them
08/23/1989EP0328768A1 Continuous process for making granules of sodium perborate
08/23/1989CN1034902A Preparation of hydrogen peroxide
08/16/1989EP0328169A1 Process for manufacturing sodium perborate monohydrate, partially crystallized sodium perborate monohydrate and textile washing powders
08/01/1989USRE33007 Method of vaporizing multicomponent liquids
07/1989
07/27/1989WO1989006548A1 An anti-inflammatory oxidizing agent, the procedure for its production and various applications
07/26/1989EP0325135A1 Process for purifying a working compound for hydrogen peroxide production
07/18/1989US4849198 Washing sodium percarbonate with a phosphonic acid
07/11/1989CA1257073A1 Stabilisation of aqueous acid solutions including hydrogen peroxide and metal ions
07/04/1989US4844886 Oxidizer for dyeing hair
06/1989
06/27/1989CA1256271A1 Process for purifying a working solution
06/27/1989CA1256267A1 Process for the continuous preparation of monohydrated sodium perborate from tetrahydrated sodium perborate
05/1989
05/23/1989US4832938 Hydrogen peroxide production method using platinum/palladium catalysts
05/05/1989WO1989002886A3 2-neopentylanthraquinone
05/02/1989US4826681 Anhydrous solution of hydrogen peroxide in an organic solvent and the use of the same in therapeutic and cosmetic formulations
04/1989
04/25/1989US4824609 Alkated anthraquinone, carbon dioxide
04/06/1989WO1989002886A2 2-neopentylanthraquinone
03/1989
03/29/1989EP0308825A1 Hydrogen peroxide compositions in emulsion form for bleaching and oxidative dyeing of hair
03/14/1989US4812173 Stabilized hydrogen peroxide contact lens disinfecting solution
02/1989
02/28/1989CA1250406A1 Stabilisation
02/07/1989US4803063 Redox reaction of quinones in aromatic amide solvent
01/1989
01/24/1989US4800075 Fixed-bed hydrogen peroxide catalyst
01/24/1989US4800074 Oxidation and hydrogenation of anthraquinones in cyclic urea solvent
01/24/1989US4800073 Hydrogenation, oxidation of anthraquines in caprolactam-type solvent
12/1988
12/27/1988US4793978 Dissolving in nitric and fluoboric acids; adding hydrogen peroxide
12/21/1988EP0295950A1 Process for the manufacture of granular monohydrated sodium perborate
12/21/1988EP0295384A1 Process for reducing the agglomeration-tendency of particle-shaped active oxygen compounds
12/20/1988US4792403 Method of removing organic impurities from aqueous solution of hydrogen peroxide
11/1988
11/23/1988EP0292314A2 Process for encapsulating particles using polymer latex
11/09/1988EP0289904A1 Process for producing hydrogen peroxide by chemical photoreduction of oxygen, and hydrogen peroxide thus obtained
11/02/1988EP0289463A1 Stabilized hydrogen peroxide solution
10/1988
10/25/1988CA1243623A1 Hydrocarbon desulfurization process
10/19/1988EP0287421A1 Process for the cyclic production of hydrogen peroxide
10/12/1988EP0286610A2 Process for preparation of hydrogen peroxide
09/1988
09/28/1988EP0284580A2 Process for preparation of hydrogen peroxide
09/20/1988US4772458 Minimizing explosion hazzards by using an aqueous reaction medium, pa and pt as catalysts, controlling hydrogen concentration with a br promoter
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