Patents
Patents for C01B 15 - Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides (4,123)
09/1993
09/15/1993EP0559679A1 Stabilisation of percarbonate
09/14/1993US5244644 Process for improving the storage stability of percarbonate and percarbonate composition produced thereby
09/14/1993US5244547 Decreasing the concentration of hydroxyl ions in aqueous alkaline peroxide solutions
08/1993
08/17/1993US5236692 Catalytic reacting oxygen and hydrogen
08/17/1993US5236613 Zeolite powder, sodium percarbonate, stability improved by controlling the morphology of the percarbonate
08/05/1993WO1993015018A1 Process and composition for microemulsion gel having bleaching and antiseptic properties
08/05/1993WO1993015017A1 Urea-hydrogen peroxide-polyvinylpyrrolidone
08/05/1993CA2128710A1 Process and composition for microemulsion gel having bleaching and antiseptic properties
08/03/1993US5232680 Chelation of metal ions with chelating agent and adsorption of organic impurities onto a polymer to remove them from distilled hydrogen peroxide
07/1993
07/28/1993EP0552187A1 Purification of hydrogen peroxide.
07/22/1993WO1993014025A1 Production of hydrogen peroxide
07/22/1993WO1993014024A1 Hair care compositions
07/21/1993EP0551929A1 Production of hydrogen peroxide
07/21/1993EP0551298A1 Peroxidic compositions.
07/20/1993US5229092 Wear resistant spherical and compact agglomerates of particular size
07/10/1993CA2059101A1 Manufacture of peroxidic compositions
07/08/1993WO1993013012A1 Alkaline hydrogen peroxide formulation
07/08/1993CA2126202A1 Alkaline hydrogen peroxide formulation
07/06/1993US5225102 Encapsulated enzyme in dry bleach composition
06/1993
06/16/1993EP0546815A1 Sodium percarbonate
06/16/1993EP0546616A1 Process for the production of hydrogen peroxide
06/13/1993CA2084712A1 Process for manufacturing hydrogen peroxide
06/12/1993CA2084606A1 Sodium percarbonate
06/08/1993US5217629 Procedure for cleaning filter used in production of hydrogen peroxide from anthraquinone
06/01/1993US5215735 Co-production of hydrogen peroxide and a useful ester
06/01/1993US5215730 Highly supersaturating aqueous slurry crystal growth medium
06/01/1993US5215665 Purification of hydrogen peroxide
05/1993
05/18/1993US5211927 Method for stabilizing acidic aqueous hydrogen peroxide solution containing copper
05/18/1993CA1317740C Production of hydrogen peroxide
05/05/1993EP0539846A1 Process for the preparation of hydrogen peroxide
05/01/1993CA2081231A1 Process for the preparation of hydrogen peroxide
04/1993
04/29/1993WO1993009060A1 Method for the production of h2o2 using fullerenes
04/29/1993WO1993008317A1 Composition for stabilizing inorganic peroxide solutions
04/29/1993CA2121691A1 Composition for stabilizing inorganic peroxide solutions
04/29/1993CA2099360A1 Method for the production of h2o2 using fullerenes
04/27/1993US5206385 Urea-hydrogen peroxide-polyvinylpyrrolidone process
04/21/1993EP0537836A1 Direct synthesis of hydrogen peroxide by heterogeneous catalysis.
04/21/1993CN1071142A Process and apparatus for produciton of hydrogen peroxide from hydrogen and oxygen
04/20/1993US5203877 Process for producing sodium perborate monohydrate agglomerate
04/20/1993CA1316441C Solutions of permonosulphuric acid
04/15/1993WO1993007086A1 Bleaching compositions
04/15/1993CA2120491A1 Bleaching compositions
04/14/1993EP0536697A1 Peroxide-substituted polysilazanes
04/06/1993US5200166 Purification of hydrogen peroxide solution
03/1993
03/31/1993EP0348464B1 2-neopentylanthraquinone
03/24/1993EP0533166A1 Process for purifying hydrogen peroxide aqueous solution
03/24/1993EP0353273B1 An anti-inflammatory oxidizing agent, the procedure for its production and various applications
03/23/1993US5196179 Process for the production of hydrogen peroxide
03/20/1993CA2078376A1 Process for purifying hydrogen peroxide aqueous solution
03/18/1993WO1993004982A1 Long-shelf-life encapsulated sodium percarbonate and process for producing it
03/16/1993US5194242 Process for the production of hydrogen peroxide from hydrogen and oxygen
03/16/1993US5194176 Peroxygen laundry bleach
03/16/1993US5194067 Extraction with benzyl alcohol and water
03/04/1993WO1993004216A1 Hydrofluoric acid compositions
03/04/1993DE4129242A1 Encasing solid sodium percarbonate in layer of hydrophobising material - by melt application in spray mist zone, improving stability for use in washing compsn.
03/03/1993EP0529723A1 Process for obtaining aqueous solutions of hydrogen peroxide
03/03/1993EP0529722A1 Process for obtaining purified aqueous solutions of hydrogen peroxide
03/03/1993EP0528924A1 Method and apparatus for bleaching textile webs.
03/03/1993CN1069469A Alkalizing-dehydrating technology for hydrogen peroxide solution
03/03/1993CN1069468A Hydrogen peroxide solution producing technology directly using exhaust gas from nitrogen-factory
03/02/1993US5190749 Copolymers of vinyl pyrrolidone and a quaternary ammonium monomer complexed with H2 O2 in the form of free-flowing powders
02/1993
02/28/1993CA2076343A1 Process for obtaining hydrogen peroxide aqueous solutions
02/24/1993EP0528053A1 Cleaning liquid for semiconductor substrate
02/18/1993WO1993002961A1 Removal of hydrogen sulphide
02/18/1993WO1993002960A1 Process for the preparation of hydrogen peroxide
02/18/1993CA2114431A1 Removal of hydrogen sulphide
02/18/1993CA2112590A1 Process for the preparation of hydrogen peroxide
02/17/1993EP0527537A1 Metals removal from aqueous peroxy acids or peroxy salts
02/11/1993DE4214097A1 Eliminating anions from aq. hydrogen peroxide soln.
02/03/1993EP0523169A4 Peroxygen laundry bleach
02/02/1993US5183901 Urea-hydrogen peroxide-polyvinylpyrrolidone
01/1993
01/26/1993US5182054 Granulation by dry compaction sodium perborate with compaction aids
01/26/1993US5182045 Late peracid precursors
01/26/1993CA1313024C Hydrogen peroxide method using optimized h+ and br- concentration
01/20/1993EP0523808A2 Method of sterilizing apparatus for supplying hydrogen peroxide gas
01/20/1993EP0523169A1 Peroxygen laundry bleach
01/19/1993US5180573 Method for producing hydrogen peroxide
01/19/1993US5180517 Stabilized liquid persalt bleach compositions
01/19/1993US5180514 Chelating agent and free radical scavenger
01/19/1993CA1312720C Hydrogen peroxide production method using platinum/palladium catalysts
01/19/1993CA1312719C Catalytic process for making hydrogen peroxide from hydrogen and oxygen employing a bromide promoter
01/05/1993US5177113 Free-standing, porous foam PVP:H2 O2 product
12/1992
12/23/1992WO1992022496A1 Stable, hydrogen peroxide-containing bleaching compositions
12/22/1992CA1311601C Process for the cyclic production of hydrogen peroxyde
12/16/1992EP0517996A1 Stable, hydrogen peroxide-containing bleaching compositions
12/16/1992EP0517716A1 Membrane separation process
12/15/1992US5171407 Distillation plant for producing hydrogen peroxide
12/10/1992DE4214075A1 Aq. hydrogen peroxide soln. purificn. with min. decomposition
12/08/1992US5169618 From oxygen and hydrigen using fixed bed catalyst
12/01/1992US5167854 Storage stability
11/1992
11/26/1992WO1992020620A1 Method for catalytic production of hydrogen peroxide
11/25/1992EP0514848A2 Process and apparatus for the generation of peroxyacids
11/03/1992CA1309569C Stabilized hydrogen peroxide solution
10/1992
10/27/1992US5158752 Plant for producing ammonium polyphosphate
10/15/1992WO1992017404A1 Stabilised sodium percarbonate
10/15/1992WO1992017400A1 Long-shelf-life encapsulated particulate sodium percarbonate and process for producing it
10/14/1992EP0507917A1 Stabilized liquid persalt bleach compositions
10/13/1992US5154912 Nonradioactive labeled compounds for use in the medicine and biological fields
10/09/1992WO1992017158A1 Process for producing pvp-h2o2 products
10/09/1992CA2106375A1 Process for producing pvp-h2o2 products
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