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) |
---|
05/09/1995 | US5414099 Acid catalyst; also making phenyl esters by reacting the amido acids either with phenol in presence of acid catalyst and boric acid or with phenol ester of lower molecular weight carboxylic acid in presence of basic catalyst |
05/04/1995 | WO1995011957A1 Process for making isethionate ester salts |
05/02/1995 | US5412136 Process for the preparation of alkyl sulfate powder having a high bulk density |
04/27/1995 | WO1995011230A1 Process for the preparation of an oxirane, aziridine or cyclopropane |
04/25/1995 | US5409625 Azeotropic mixture of linear hydrofluorocarbon and HF |
04/20/1995 | DE4335041A1 Process for the preparation of pale internal sulphofatty acid salts |
04/13/1995 | WO1995009840A1 Method for the heat treatment and degassing of sulphonic acid |
04/13/1995 | CA2168206A1 Method for the heat treatment and degassing of sulphonic acid |
04/11/1995 | US5405727 N-(carbonyl, carbonimidoyl, carbonothioyl) sulfonamide charge control agents and toners and developers |
04/06/1995 | WO1995009151A1 Acylated sulphonamides as insecticides and acaricides |
04/05/1995 | EP0646575A1 Process for preparing fluorocarbon fluoroalkanesulfonates |
04/05/1995 | EP0646557A1 Fluorination in tubular reactor system |
04/05/1995 | EP0646163A1 Detergent composition having low skin irritability. |
04/05/1995 | CA2131497A1 Fluorination in tubular reactor system |
04/04/1995 | US5403957 Method for preparing N-fluorosulfonimides |
03/30/1995 | DE4333103A1 Process for the preparation of pale alpha-sulpho fatty acid lower-alkyl ester salts |
03/29/1995 | EP0490970B1 New route of synthesis for protected nitrogen mustard prodrugs |
03/23/1995 | WO1995007883A1 Synthesis of amido acids from carboxylic acids and lactams |
03/23/1995 | WO1995007882A1 Synthesis of amido acids from carboxylic acid esters and amino acid salts |
03/23/1995 | DE4331477A1 Process for the preparation of 4,4'-dinitrostilbene-2,2'-disulphonic acid |
03/23/1995 | CA2170487A1 Synthesis of amido acids from carboxylic acid esters and amino acid salts |
03/22/1995 | EP0644185A1 Sulfonation of fatty acid esters |
03/22/1995 | EP0643691A1 Process for preparing odourless fatty alcohol ether sulphates. |
03/22/1995 | CN1100411A Preparation of C-substituted diethylentriamine |
03/21/1995 | US5399756 Process for the production of liquid amine adducts of fluorine-containing amides |
03/21/1995 | US5399748 Derivatives of aspartic acid and glutamic acid having anticholecystokinin activity |
03/15/1995 | EP0642494A1 Process for the preparation of a surfactant composition comprising a secondary alkyl sulfate. |
03/15/1995 | CN1027899C Process for preparing sulphonated dispersant from petroleum asphalt fractions |
03/09/1995 | WO1995006632A1 Process for sulfonating internal olefins |
03/08/1995 | EP0641773A1 Process for the preparation of 4,4'-dinitrostilbene-2,2'-disulfonic acid |
03/08/1995 | EP0641755A1 Process for the hydrosulphination of olefins |
03/02/1995 | WO1995006103A1 Process for preparing concentrated surfactant mixtures containing magnesium |
03/01/1995 | EP0497849B1 Process for sulphonating unsaturated fatty acid glycerin esters |
02/28/1995 | US5393899 Salting out from acidic aqueous solution using inorganic salts |
02/23/1995 | WO1995005361A1 METHOD OF OBTAINING A PHYSICALLY STABLE CRYSTALLINE η-MODIFICATION OF PARA-AMINOBENZENE SULPHANILAMIDE |
02/22/1995 | CN1099027A Technique for synthetizing CLT acid using ortho-chlorotoluene |
02/21/1995 | US5391786 Sulfonation of fatty acid low alkyl esters having a low concentration of oxo and unsaturated compounds |
02/21/1995 | US5391784 Catalytically oxyalkylated fats or oils for fat-liquoring leathers after tanning |
02/21/1995 | US5391783 Sulfonating fatty acid alkyl ester with gaseous sulfurtrioxide in liquid phase, neutralization with aqueous alkali metal hydroxide and bleaching with hydrogen peroxide containg an activator while controlling temperature |
02/21/1995 | US5391782 Process for the production of highly concentrated pastes of α-sulfofatty acid alkyl ester alkali metal salts |
02/09/1995 | WO1995004035A1 Liquid compositions containing a sulphosuccinic acid diester |
02/09/1995 | WO1995004020A1 Process for the preparation of perfluoroalkyl iodide |
02/08/1995 | EP0587774A4 Sulfonation process for viscous sulfonic acid. |
02/07/1995 | US5387711 Process for preparing 3-sulfobenzoic acid and alkali metal salts thereof |
02/07/1995 | US5387709 Bronchodilator agents, anticoagulants, vasodilation |
02/07/1995 | US5387707 Route of synthesis for tertiary alkyl esters |
02/07/1995 | US5387700 Reacting alcohol with sulfuryl chloride in toluene in presence of pyridine or triethylamine to form chlorosulfate, reacting with ammonia or amine in tetrahydrofuran to produce sulfamate |
02/01/1995 | EP0636606A1 Process for the preparation of liquid amine-adducts of amides containing fluorinated groups |
02/01/1995 | EP0563258B1 Process for the preparation of fluoroaliphatic aminocarboxylate surfactants |
02/01/1995 | EP0539370B1 Process for sulfating unsaturated alcohols |
01/31/1995 | US5386042 Reacting 1,4-diamino-2,3-dihaloanthraquinone with boric acid in inert organic solvent, reacting product with aqueous sulfite solution |
01/30/1995 | CA2128792A1 A process for the production of liquid amine adducts of fluorine-containing amides |
01/25/1995 | CN1097733A Recrystallizing technology for leucine sulfonate |
01/24/1995 | US5384422 Process for the production of light-colored α-sulfofatty acid alkyl ester alkali metal salt pastes |
01/24/1995 | US5384421 Process for making sodium acylisethionates |
01/24/1995 | US5384176 Phenolic acid sulfate esters for prevention of marine biofouling |
01/19/1995 | WO1995001959A1 Method of producing alkyl sulphates with improved properties |
01/17/1995 | US5382677 Process for the production of highly concentrated pastes of α-sulfofatty acid alkyl ester alkali metal salts |
01/12/1995 | WO1995001467A1 Process for preparing perfluoroalkanesulfonyl fluorides |
01/12/1995 | WO1995001331A1 Preparation of ammonium hydroxyalkyl/alkanoylalkyl sulfonates |
01/12/1995 | CA2164604A1 Process for preparing perfluoroalkanesulfonyl fluorides |
01/11/1995 | EP0633243A1 Process for the preparation of hydroxylic compounds of secundary or tertiary amines |
01/11/1995 | EP0632802A1 New alkylating reagent, process for preparing the same and its use |
01/11/1995 | CN1097191A Synthesizing method for fluorohydrocarbyl-sulfonate |
01/10/1995 | US5380917 Reaction fo a phenol sulfonate with a benzoyl chloride in the presence of a base |
01/10/1995 | US5380886 Process for the production of epoxide ring opening products having a defined residual epoxide oxygen content |
01/04/1995 | CN1027261C Process for preparing lower alkyl ester-salt of alpha-aliphatic sulfonic acid with light colour detergent active |
12/22/1994 | WO1994029270A1 Novel sulfonate, process for producing the same, and bleaching composition containing the same |
12/21/1994 | EP0629187A1 Direct-dyeing colouring agents for natural and synthetic fibres. |
12/21/1994 | EP0576464B1 Process for producing highly concentrated fatty alcohol sulphate pastes |
12/21/1994 | CN1096511A Process for the preparation of biphenyl derivatives |
12/20/1994 | US5374770 Polymerization catalysts, surfactants, electrolytes |
12/20/1994 | US5374405 Rotating fluidized bed reactor with electromagnetic radiation source |
12/20/1994 | CA1333608C Hydrogenation of halonitroaromatic compounds |
12/15/1994 | DE4319965A1 Method for producing a housing which has a screen against the emission of electrical magnetic radiation |
12/14/1994 | EP0532557B1 Process for producing glycerin ether sulphates |
12/13/1994 | CA1333488C Process for overbased petroleum oxidate |
12/08/1994 | WO1994027939A1 Process for the manfuacture of linear hydrofluorocarbons containing end group hydrogen substituents and azeotropes thereof |
12/07/1994 | EP0627414A1 Method for the preparation of alkanesulphonic acids |
12/06/1994 | US5371281 Process for preparing alkali metal 3-sulfobenzoates |
12/06/1994 | US5371251 Polyol polyether sulfosuccinates, a process for preparing them, and their use |
12/06/1994 | US5371182 Self-doped conductive polyanilines, and method of preparing them |
11/30/1994 | EP0531359B1 Process for producing light-coloured pastes of alpha-sulpho fatty acid alkyl ester alkali metal salts |
11/30/1994 | EP0483195B1 Process for preparing quaternary ammonium compounds |
11/24/1994 | WO1994026701A1 Process for preparing ng-monoalkyl-l-arginine and related compounds |
11/24/1994 | CA2162155A1 Process for preparing ng-monoalkyl-l-arginine and related compounds |
11/23/1994 | EP0625183A1 METHOD OF PRODUCING PALE-COLOURED, COLOUR-STABLE ALKALI-METAL SALTS OF WASHING-ACTIVE $g(a)-SULPHONIC FATTY ACIDS |
11/23/1994 | EP0625138A1 Novel amidine derivatives, their preparation and their use as mediaments with ltb-4 antagonistic effect |
11/23/1994 | EP0446301B1 Preparation of biaryl compounds |
11/23/1994 | CN1026696C Method of recovering epoxy chloropropane and toluene |
11/22/1994 | US5366597 Process for the preparation of perfluorobutylsulphonyl fluoride |
11/17/1994 | EP0624152A1 Process for preparing ketone enantiomer. |
11/17/1994 | DE4316214A1 Sulphonated diesters |
11/15/1994 | US5364960 Process for preparing sulfonated paraffins with a larger content of polysulfonated species |
11/15/1994 | US5364507 Process for the production of perfluoroalkylsulphonyl fluorides and electrodes for performance of the process |
11/09/1994 | EP0623593A2 Process for neutralising the acid form of anionic surfactant, agglomerates and detergent thereby obtained |
10/27/1994 | WO1994024245A1 Purification of secondary (2, 3) alkyl sulfate surfactants |
10/27/1994 | WO1994024098A1 Ξ-fluorosulphonimides, method of preparing them and their use as fluorination agents |
10/27/1994 | CA2160994A1 N-fluorosulphonimides, method of preparing them, and their use as fluorination agents |
10/26/1994 | EP0621266A1 Sterically hindered phenols and their use for the stabilisation of polyamide fibres |