| 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) |
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| 09/08/1993 | CN1075955A Synthetic technology for high purity dimethyl disulfide and methane sulfonic acid without three wastes |
| 09/04/1993 | WO1993017992A1 Sulfonation process for viscous sulfonic acid |
| 09/01/1993 | EP0557519A1 Process for preparing sulfonamide derivative of norbornane |
| 09/01/1993 | EP0557315A1 METHOD OF PREPARING CONCENTRATED AQUEOUS DISPERSIONS OF THE MONO AND/OR DI SALTS OF $g(a)-SULPHONIC ACIDS |
| 09/01/1993 | EP0419647B1 Process for synthesis of sulfonylimidides |
| 08/31/1993 | US5241110 Reacting perfluorovinylsulfonyl fluoride with a hypofluorite; polymeric perfluoroether units possible; |
| 08/25/1993 | EP0249610B1 Synthesis of optically active aryloxypropanolamines and arylethanolamines |
| 08/24/1993 | US5239081 Preparation of photographic compounds |
| 08/24/1993 | CA1321599C Process for the preparation of sulfated alkanol oxethylates or alkylphenol oxethylates having a lowered content of 1,4-dioxane |
| 08/19/1993 | WO1993016036A1 Novel amidine derivatives, their preparation and their use as mediaments with ltb-4 antagonistic effect |
| 08/19/1993 | CA2427890A1 New amidine derivatives, the preparation and use thereof |
| 08/18/1993 | EP0555698A1 Process for the preparation of possibly substituted benzaldehydes |
| 08/18/1993 | CN1075317A Process for the preparation of chlorosulafate and sulfamate derivatives of 2,3:4,5-bis-0-(1-methylethylidene)-beta-D-fructoryranose and(1-methylcyclohexyl)methanol |
| 08/11/1993 | CN1075140A Preparation technology for methane-sulfonic acid |
| 08/06/1993 | CA2129526A1 Novel amidine derivatives, their preparation and their use as medicaments with ltb4 antagonistic effect |
| 08/05/1993 | WO1993015170A1 METHOD OF PRODUCING PALE-COLOURED, COLOUR-STABLE ALKALI-METAL SALTS OF WASHING-ACTIVE α-SULPHONIC FATTY ACIDS |
| 08/05/1993 | DE4203001A1 Verfahren zur herstellung hellfarbiger, farbstabiler alkalimetallsalze waschaktiver alpha-sulfofettsaeuren Process for the production of light-colored, color-stable alkali metal salts of washing-active alpha-sulfo fatty acids |
| 08/04/1993 | EP0553668A2 Process for making arylacrylic acids and their esters |
| 08/04/1993 | EP0553148A1 Method of preparing alkylsulphate pastes with improved flow properties |
| 08/03/1993 | US5233113 Treatment with oxidizer, strong acid, oxidation catalyst gives esters of strong acid |
| 08/03/1993 | US5233081 Method for sulfonation using porous absorber material |
| 08/03/1993 | US5233074 Process for selectively ortho-fluorinating substituted aromatic compounds |
| 08/03/1993 | CA1320966C Process for the preparation of reaction products of 2, 2-bis,-(4-hydroxphenyl)-hexafluoropropane and new derivatives of this type |
| 07/27/1993 | US5231224 Surfactants as cleaning compounds for cosmetics |
| 07/27/1993 | US5231223 Reacting an aryldiazonium salt with olefin in presence of palladium catalyst |
| 07/22/1993 | WO1993014065A1 Process for preparing 1,3,5- tris(4'-hydroxyphenyl)benzene and its derivatives |
| 07/08/1993 | WO1993013113A1 Method of bleaching surface-active compounds |
| 07/08/1993 | WO1993013112A1 Method of bleaching alkyl and/or alkenyl glycosides |
| 07/07/1993 | CN1073937A Process to improve the color of sulf (on) ated surfactants without bleach |
| 06/24/1993 | WO1993012215A1 Method of producing triglycerides with hydrophilic properties |
| 06/24/1993 | WO1993012062A1 Process for preparing ketone enantiomer |
| 06/24/1993 | DE4142592A1 Bleaching surface active cpd. with peroxy cpd. - in presence of alkaline earth ions, zinc ions or alkali silicate as booster |
| 06/24/1993 | DE4141532A1 Verfahren zur herstellung hydrophilisierter triglyceride Process for the preparation Hydrophilized triglycerides |
| 06/23/1993 | EP0547707A1 Blocked photographically useful compounds for use with peroxide-containing processes |
| 06/22/1993 | US5221443 Electrodialysis |
| 06/16/1993 | EP0546697A1 Process for the bromination of deactivated toluenes in the benzylic position |
| 06/15/1993 | US5220062 Process for the preparation of benezenesulfonamides |
| 05/27/1993 | WO1993010084A1 Method of preparing sulphated fatty-acid alkanolamides |
| 05/26/1993 | CN1072406A Synthesis of acrylamide alkyl sulfonic acid |
| 05/19/1993 | EP0541770A1 Process for the preparation of a purified acrylamido sulfonic acid monomer derivative. |
| 05/19/1993 | DE4137221A1 Verfahren zur herstellung sulfatierter fettsaeurealkanolamide Process for the preparation of sulfated fatty acid |
| 05/18/1993 | US5212301 Fluorination |
| 05/13/1993 | WO1993009091A1 Method of preparing light-coloured alkenyl sulphate pastes |
| 05/13/1993 | DE4136784A1 Verfahren zur herstellung hellfarbiger alkenylsulfat-pasten Process for the production of light-colored alkenyl sulfate pastes |
| 05/12/1993 | EP0540823A1 Polyolpolyether sulfosuccinates, process for their preparation and their use |
| 05/12/1993 | CN1020602C Methods for preparing group ii metal overbased sulfurized alkylphenols |
| 05/12/1993 | CN1020600C Process for synthesis of arylsulfonylalkylamide |
| 05/11/1993 | US5210299 Method for production of n-(2-chloroethyl) methanesulfonamide |
| 05/11/1993 | US5210272 Process for forming a fluoromethyl ketone |
| 05/08/1993 | CA2082300A1 Polyol polyether sulfosuccinates, a process for preparing them, and their use |
| 05/05/1993 | EP0539370A1 Process for sulfating unsaturated alcohols. |
| 05/05/1993 | CN1020449C Insecticidal triffluormethyl alkane derivatives |
| 05/04/1993 | US5207799 Process for dyeing wool and blends thereof with other fibres using reactive dyes and colorless fiber-reactive dyeing assistant |
| 05/04/1993 | CA1317314C Process for synthesizing n,n'-dithiobis(sulfonamides) |
| 04/27/1993 | US5206427 Process for the preparation of aromatic (di)chlorosulphonic acids and (di)bromosulphonic acids |
| 04/21/1993 | EP0538193A2 Condensed cycloaliphatir-amidino-hydrazon salts as S-adenosylmethionin decarboxylase inhibitors |
| 04/14/1993 | EP0536177A1 Thrombin inhibitors based on the amino acid sequence of hirudin |
| 04/13/1993 | US5202216 Containing water insoluble polymer and aromatic sulfonic acid salt of an onium compound |
| 04/06/1993 | US5200533 Intermediates for preparation of 2,3-trans-1,4-bridged cyclohexane sulfonamide derivatives |
| 04/01/1993 | WO1993006081A1 Method of producing neutral-tasting pastes of alkyl ether sulphates in glycerin |
| 03/31/1993 | EP0534360A1 Method of preparing nitrotoluenesulfonic acids and sodium salts thereof |
| 03/31/1993 | CN1070396A Process for isolation of 2-naphthylamine-1.5-disulphoni acid |
| 03/30/1993 | US5198571 Monofunctionalization of phenolic hydroxy onto a polyphenol |
| 03/25/1993 | DE4131118A1 Verfahren zur herstellung geschmacksneutraler pasten von alkylethersulfaten in glycerin Process for the preparation of alkyl ether tasteless pastes in glycerol |
| 03/24/1993 | EP0533483A2 Process for the preparation of chlorosulfate and sulfamate derivatives of 2,3:4,5-bis-O-(1-methylethylidene)-beta-D-fructopyranose and (1-methylcyclohexyl)methanol |
| 03/24/1993 | EP0532557A1 Process for producing glycerin ether sulphates. |
| 03/24/1993 | EP0532531A1 Phenol and pyridinol derivatives as pharmaceuticals |
| 03/24/1993 | EP0403511B1 Hydrogenation of halonitroaromatic compounds |
| 03/23/1993 | CA1314890C Process for the preparation of benzoin sulfonates |
| 03/18/1993 | WO1993005013A1 Process to improve the color of sulf(on)ated surfactants without bleach |
| 03/18/1993 | WO1992020711A3 Lhrh antagonists and intermediate products |
| 03/18/1993 | CA2116666A1 Process to improve the color of sulf(on)ated surfactants without bleach |
| 03/17/1993 | EP0531865A1 Process for the isolation of the monosodium salt of 2-naphthalene-amine-1,5-disulfonic acid |
| 03/17/1993 | EP0531863A1 Process for the isolation of 2-naphthaloneamine-1,5-disulfonic acid |
| 03/17/1993 | EP0531359A1 Process for producing light-coloured pastes of alpha-sulpho fatty acid alkyl ester alkali metal salts. |
| 03/16/1993 | US5194651 Tosylation of alcohols |
| 03/16/1993 | CA1314561C Reaction of hexafluoropropene oxide with fluorinated carboxylic acid fluorides |
| 03/16/1993 | CA1314558C Certain 2-(2'-nitrobenzoyl)-1,3-cyclohexanediones |
| 03/16/1993 | CA1314556C Certain 2-(2'-alkylbenzoyl)-1,3-cyclohexanediones |
| 03/09/1993 | US5192640 Nitrosation, sulfonation, reduction, oxidation, diazotization, and salt formation |
| 03/02/1993 | US5191092 Antithrombotic iso- and heterocyclic phenylsulphonamides |
| 03/02/1993 | US5191069 Polyfunctional compounds containing α-diazo-β-keto ester units and sulfonate units |
| 02/23/1993 | US5189227 1,2,4-trihalobutyl ethers |
| 02/23/1993 | US5189207 Process for the production of solid or paste-form products |
| 02/23/1993 | US5189206 Chemical intermediate for (mono- or dis)azo dyes |
| 02/18/1993 | WO1993003019A1 Benzenesulfonamide derivatives as herbicides |
| 02/18/1993 | CA2114802A1 Benzenesulfonamide derivatives as herbicides |
| 02/16/1993 | CA1313677C Famotidine intermediates and their preparation |
| 02/16/1993 | CA1313669C Synthesis of optically active aryloxypropanolamines and arylethanolamines |
| 02/10/1993 | EP0526976A1 Perfluoroalkyl halides and derivatives |
| 02/09/1993 | US5185477 Halohydrin commpounds |
| 02/09/1993 | US5185368 Complex with trivalent metal ions; medical diagnosis and therapy |
| 02/03/1993 | EP0524996A1 Process for manufacturing light-coloured washing alpha-sulpho-fatty-acid low-alkyl ester salts. |
| 02/02/1993 | US5183918 Reacting alkyl chloroformate with a alkali metal phenol sulfonate in alkaline medium whereby dialkycarbonate by-product as impurity sensitive to skin is reduced by acidification |
| 02/02/1993 | US5183910 Process and intermediates for chiral epoxides |
| 01/27/1993 | EP0524634A1 Process for the preparation of 1,2-naphtho-quinonediazido-5-sulfonyl chloride |
| 01/27/1993 | CN1068333A Pharmacologically active hydrazine derivatives and processes for preparation thereof |
| 01/21/1993 | WO1993001523A1 Activated propenes as colour couplers and a method for their production |
| 01/14/1993 | DE4121409A1 Di:methyl sulphate prodn. from di:methyl ether and sulphur tri:oxide - using safe simple plant connected to combustion plant with flue gas desulphurisation |
| 01/13/1993 | EP0521852A1 Process for obtaining lower alkane sulphonic acids from their alkaline salts |