Patents
Patents for C07C 303 - Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides (11,473)
10/1995
10/11/1995CN1029957C Preparation of amides
10/04/1995EP0675129A1 Process for preparing hetero substituted acetals
10/04/1995EP0675107A1 Pressurized production of alkanesulfonyl chloride and alkanesulfonic acid
10/04/1995EP0675106A1 A process for the preparation of alkane sulfonic acid and alkane sulfonyl chloride
10/04/1995EP0674617A1 Secondary alkyl sulphate/zeolite-containing surfactant composition.
10/03/1995US5455377 Process to prepare alkansulphonamides
10/01/1995CA2145327A1 Process for the preparation of alkane sulfonic acid and alkane sulfonyl chloride
10/01/1995CA2145325A1 Pressurized production of alkanesulfonyl chloride and alkanesulfonic acid
09/1995
09/30/1995CA2145498A1 Process for the preparation of heterosubstituted acetals
09/28/1995DE4409568A1 Sulphonated acrylate ester surfactants
09/27/1995EP0673365A1 Detergent production.
09/27/1995EP0561825B1 Process for the continuous production of partial glyceride sulphates
09/27/1995EP0532539B1 Process for producing highly concentrated pastes of alpha-sulpho fatty acid alkyl ester alkali metal salts
09/27/1995CN1109046A The preparation of benzoquinones by oxidation of phenols
09/26/1995US5453482 Process for preparing arylsulfonyl halides
09/21/1995DE4408957A1 Pure N-acyl:amino-carboxylic or sulphonic acid (salt)prepn.
09/19/1995US5451699 Process for the preparation of crystalline, salt-free, chlorine-substituted 3-nitrobenzenesulfonic acid hydrates
09/13/1995EP0671386A1 Monomers derived from perhalogeneted sultones and polymers derived therefrom
09/13/1995EP0671382A1 Saturated fluoroalkylamines, derivatives thereof as well as mixtures therefrom
09/13/1995EP0670829A1 Synthesis of sulfated polyhydroxy fatty acid amide surfactants.
09/13/1995EP0670828A1 Sulphited fats with a reduced free-bisulphite content.
09/13/1995EP0531355B1 PROCESS FOR PRODUCING HIGHLY CONCENTRATED PASTES OF $g(a)-SULPHO FATTY ACID ALKYL ESTER ALKALI METAL SALTS
09/13/1995CN1108243A Process for synthesizing methane sulfonyl chloride
09/07/1995DE4423641C1 Prodn. of bright-coloured surfactants
09/06/1995EP0617732B1 Method of producing triglycerides with hydrophilic properties
08/1995
08/31/1995DE4405414A1 Verwendung sulfierter Substanzen zur Fettung von Leder The use of sulfonated substances for the oiling of leather
08/30/1995EP0669380A2 Process for the preparation of azo dyes
08/30/1995EP0668905A1 Process for the easier purification of valuable materials and/or their mixtures in the field of wetting, washing and/or cleaning agents and related substances
08/30/1995EP0668874A1 Lhrh antagonists and intermediate products
08/30/1995CN1107363A Alcohol or aldehyde derivatives and their use
08/29/1995US5446188 Process for the production of highly concentrated fatty alcohol sulfate pastes
08/29/1995US5445963 Alcohol-ester separation by recrystallization
08/24/1995WO1995022631A1 Use of sulfonated substances for stuffing leather
08/24/1995WO1995022630A1 Use of sulphited substances for stuffing leather
08/24/1995WO1995022629A1 Use of sulphured substances for stuffing leather
08/24/1995WO1995022522A1 Taurine derivatives for use in cleanser compositions
08/24/1995DE4405417A1 Verwendung sulfierter Substanzen zur Fettung von Leder The use of sulfonated substances for the oiling of leather
08/24/1995DE4405415A1 Verwendung sulfierter Substanzen zur Fettung von Leder The use of sulfonated substances for the oiling of leather
08/23/1995EP0668260A1 Process for phosgenation in the presence of acetonitrile
08/17/1995WO1995021816A1 Process for producing acyloxybenzenesulfonic acid or salt thereof
08/17/1995WO1995021811A1 Novel benzylaminoethoxybenzene derivative, process for producing the same, and use thereof
08/17/1995CA2160019A1 Novel benzylaminoethoxybenzene derivatives, production thereof and use thereof
08/16/1995CN1106795A Sulfonation of fatty acid esters
08/15/1995US5442088 Reacting optically active S-homoserine lactone with hydrogen chloride in the presence of an alcohol, and reacting the resulting halogen substituted compound with a phosphorus compound
08/15/1995CA2072622C Process for sulfating unsaturated alcohols
08/09/1995EP0665831A1 An improved method for preparing n-fluorosulfonimides.
08/08/1995US5439671 Process for the production of neutral-tasting pastes of alkyl ether sulfates in glycerol
08/08/1995CA1336589C Process for brominating an alkylarene substrate
08/08/1995CA1336588C Process for the production of a dibrominated alkylbenzene
08/02/1995EP0665288A1 Granulated products
08/02/1995EP0665218A1 Method for the preparation of physically stable crystalline gamma-modification of para-aminobenzene sulfanylamide
08/02/1995EP0665212A1 Process for the preparation of substituted phenylacetic acid derivates and intermediates
08/02/1995CN1105966A Process for preparing 4,4'-dinitrostilbene-2,2'-disulphonic acid
08/01/1995US5437818 Hydrates of the disodium salt or dipotassium salt of 4,4'-bis(2-sulfostyryl)biphenyl
07/1995
07/27/1995DE4401565A1 Prepn. of quat. ammonium salts of catalytic-sulphonic acids
07/26/1995CN1105663A Method for preparing foaming agent 4,4'-para-sulfonyl hydrazine diphenyl ether
07/25/1995US5436370 From nitrobenzene, chlorosulfonic acid, thionyl chloride
07/25/1995US5436366 Process and composition
07/19/1995EP0663381A2 Process for releasing acidic organic compounds from their salts by means of carbon dioxide
07/18/1995US5434301 Ion exchange resins
07/18/1995US5434276 Amidation of taurine derivative with fatty acid
07/14/1995CA2140116A1 Process for releasing acidic organic compounds from salts thereof by carbon dioxide
07/12/1995CN1105020A Process for preparing sulfonated dispersants
07/12/1995CN1104930A Fluorination in tubular reactor system
07/06/1995WO1995018095A1 Process for making n-acyl taurides
07/05/1995EP0661264A1 Substituted benzenesulfonylureas and -thioureas as antiarrhythmics
07/05/1995EP0660828A1 Hydroxyl amino phenyl sulphonyl ureas, their preparation and their use as herbicides and plant growth regulators
07/05/1995EP0660820A1 No-bleach process for making sulfonated fatty acid alkyl ester surfactant.
07/05/1995EP0541770B1 Process for the preparation of a purified acrylamido sulfonic acid monomer derivative
07/04/1995US5429773 Process to improve alkyl ester sulfonate surfactant compositions
06/1995
06/28/1995EP0659738A1 N-(Carbonyl, carbonimidoyl, carbonothioyl) sulfonamide charge control agents and toners and developers
06/28/1995EP0659727A1 Process for the preparation of benzoquinones by oxidation of phenoles
06/28/1995EP0659716A1 Process for preparing light-coloured surfactants
06/28/1995EP0659175A1 Optically active alkylammonium (amino-3 phenyl)-1 ethanesulfonate derivatives, preparation and use thereof.
06/28/1995EP0524996B1 Process for manufacturing light-coloured washing alpha-sulpho-fatty-acid low-alkyl ester salts
06/27/1995US5427717 Neutralizing, saponifying the alkyl sulfuric solution with added zeolite, heating the mixture to remove all water, cooling to crystallization
06/27/1995US5427534 Connector with side-swipe contacts
06/22/1995WO1995016670A1 Process for making sulfonated fatty acid alkyl ester surfactant
06/22/1995WO1995016669A1 Process for making sulfonated fatty acid alkyl ester surfactant
06/21/1995EP0594574B1 Process for making salts of sulphonated fatty acid glycerine esters
06/21/1995CN1103864A Process for prodn. of amino-sulfonic acid by directly using sulfuric acid and urea
06/20/1995US5426222 Method for the preparation of iodonium salts
06/15/1995WO1995015942A1 Bleach activator preparation
06/15/1995CA2177693A1 Bleach activator preparation
06/14/1995EP0657423A1 Aminosubstituted benzoylsulfonylurea and thiourea derivatives, process for their preparation and their use as pharmaceuticals
06/14/1995EP0592509B1 Activated propenes as colour couplers and a method for their production
06/14/1995DE4341795A1 Anhydrous alpha-sulpho-fatty acid salt prepn., useful in detergent
06/13/1995US5424057 Medical diagnosis
06/08/1995WO1995015308A1 Crystalline, polymorphic form of (s,s,s)-n-(1-[2-carboxy-3-(n2-mesyllysylamino)propyl]-1-cyclopentylcarbonyl)tyrosine
06/01/1995WO1995014661A1 Isethionate esters of alkyl alkoxy carboxylic acids as mild surfactants
06/01/1995WO1995014660A1 Process for producing aqueous solutions of ether sulphate salts with a reduced 1,4 dioxane content
06/01/1995CA2169080A1 Isethionate esters of alkyl alkoxy carboxylic acids
05/1995
05/31/1995EP0655054A1 Process for preparation of sulphonates.
05/26/1995WO1995014316A1 Connector with side-swipe contacts
05/24/1995CN1028525C Process for preparation of internal olefin sulphonates
05/16/1995US5416236 Sulfonylation, reduction and carbamylation in multistage process
05/10/1995CN1028366C Process for preparing light-colored pastes of alpha-sulfofatly acid alkyl ester alkali metal salt
05/10/1995CN1028365C Process for preparing light-colored pastes of alpha-sulfofatty acid alkyl ester alkali metal salt
05/10/1995CN1028364C Process for producing highly concentrated pastes of alpha-sulfofatty acid alkyl ester alkali metal salts
05/10/1995CN1028363C Process for producing highly concentrated pastes of alpha-sulfofatly acid alkyl ester alkali metal salts
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