| 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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| 09/01/1992 | US5144069 Reaction of unsaturated acid and amino containing fluoroalkylsulfonamide |
| 09/01/1992 | US5144065 Hydrogenation of corresponding nitrosulfonic acids, aqueous solutions, improved dispersion of hydrogen |
| 09/01/1992 | US5144064 Preparation of J-acid urea |
| 09/01/1992 | US5144059 Cardiovascular and kidney disorders |
| 09/01/1992 | US5143937 Treatment of hyperlipidemia |
| 09/01/1992 | CA1307000C Urea derivatives, a process for their preparation and medicaments containing these compounds and their use |
| 08/26/1992 | EP0500111A2 Hydrazone compounds, processes for their production, intermediates useful for their production and pesticidal compositions containing them |
| 08/26/1992 | CN1063868A Preparation of sulphonyl halides |
| 08/26/1992 | CA2061733A1 Process for the preparation of sulfonyl isocyanates |
| 08/25/1992 | US5142064 Larvicides has benzoyl or thiobenzoyl group |
| 08/25/1992 | US5141043 Lifting curtain door |
| 08/23/1992 | CA2061214A1 Hydrazone compounds, processes for their production, intermediates useful for their production and pesticidal compositions containing them |
| 08/20/1992 | EP0539370A4 Process for sulfating unsaturated alcohols. |
| 08/19/1992 | EP0499229A1 Alkyl ether carboxylic acid taurides |
| 08/19/1992 | EP0499043A1 Process for the preparation of sulfatobetaines |
| 08/18/1992 | CA1306467C Purification of alkanesulfonic acids |
| 08/18/1992 | CA1306466C Oxidation of thiols, disulfides and thiosulfonates |
| 08/16/1992 | CA2103789A1 Catalytic process for converting hydro-carbonaceous feeds, particularly lower alkanes, to esters, alcohols and optionally to hydrocarbons |
| 08/15/1992 | WO1992014700A1 Process for preparing 4-alkylsulfonyl-1-alkyl-2-chlorobenzenes and the like |
| 08/13/1992 | CA2061030A1 Alkyl ether carboxylic acid taurides |
| 08/12/1992 | EP0498240A1 Derivatives of diphenylmethane, process for their preparation and their use in supplanting iodothyronines and the proteins binding them |
| 08/12/1992 | EP0497849A1 Process for sulphonating unsaturated fatty acid glycerin esters. |
| 08/12/1992 | EP0497808A1 Process for producing anionic tensides with a sulphate structure |
| 08/10/1992 | CA2060079A1 Preparation of sulfate betaines |
| 08/06/1992 | DE4103393A1 Crystalline p-amino:phenyl:sulphonyl:urea prodn. in high purity - comprises saponification of p-acetyl:aminophenyl:sulphonyl:urea under controlled temp. pH and time conditions |
| 08/04/1992 | US5136088 Sulfonation process for viscous sulfonic acid |
| 08/04/1992 | US5136043 Process for the preparation of aromatic sulfonyl chlorides |
| 07/30/1992 | DE4201801A1 4,4'-Di:amino 1,1'-di:anthraquinonyl 3,3'-di:sulphonic acid purificn. - by salting out from acid or neutral soln., used as red pigment in paint, ink or plastics |
| 07/30/1992 | DE4101812A1 Prodn. of new 1-methoxy-imino-3-formyl-cyclopentane derivs. - which are intermediates for prostaglandin E2 and derivs. |
| 07/29/1992 | EP0496595A1 Aniline derivatives and process for producing the same |
| 07/29/1992 | EP0495815A1 Process for making alkyl polyethoxy ether sulphates |
| 07/23/1992 | WO1992012125A1 Preparation of sulphonyl halides |
| 07/15/1992 | EP0494603A2 Process for extractive separation of phospho- and sulphobetaines from acidic reaction solutions |
| 07/09/1992 | DE4100269A1 High concn. alpha-sulpho fatty acid ester salt aq. slurry |
| 07/08/1992 | CN1017334B Process for preparing sulfating alkanol-or alkylphenol-ethoxylates with 1,4-dioxan of low level |
| 07/07/1992 | US5128475 Preparation of amides |
| 07/01/1992 | EP0492209A1 Process for releasing organic sulphonic acids |
| 06/30/1992 | US5126492 Production of aromatic aldehydes |
| 06/30/1992 | US5126268 Chemoenzymatic synthesis of optically active compounds |
| 06/30/1992 | US5126267 Esterification of alcohol, reacting ester to produce more volatile epoxide, devolatilization, conversion back to alcohol while maintaining optical purity |
| 06/24/1992 | EP0491600A1 Process for the regiospecific monofunctionalisation of a phenolic hydroxy group of a polyphenol |
| 06/24/1992 | EP0490970A1 New route of synthesis for protected nitrogen mustard prodrugs. |
| 06/24/1992 | CN1062161A Improving color of surfactant agglomerates by admixing solid bleaching agent |
| 06/23/1992 | US5124462 Preparation of norbornyl sulfonamide derivatives |
| 06/17/1992 | EP0490565A1 Stabilization of water insoluble 3-Isothiazolones |
| 06/17/1992 | EP0490255A1 Process for the preparation of calciumsulfonate/-calcium carbonate complexes |
| 06/14/1992 | WO1992010470A1 Process for the preparation of fluoroaliphatic aminocarboxylate surfactants |
| 06/14/1992 | CA2096516A1 Process for the preparation of fluoroaliphatic aminocarboxylate surfacants |
| 06/09/1992 | US5120869 Herbicidal compounds |
| 06/09/1992 | US5120865 Preparation of 2,3-trans-1,4-bridged cyclohexane sulfonamide derivatives |
| 06/09/1992 | US5120854 Benzenesulfonyl carboxamide compounds and intermediate compounds |
| 06/08/1992 | CA2057196A1 Process for the preparation of calcium sulfonate/calcium carbonate complexes |
| 06/04/1992 | WO1992009570A1 Process for the production of partial glyceride sulphates |
| 06/04/1992 | WO1992009569A1 Process for the continuous production of partial glyceride sulphates |
| 06/04/1992 | DE4038478A1 Verfahren zur herstellung von partialglyceridsulfaten A process for the production of partial glyceride |
| 06/04/1992 | DE4038477A1 Verfahren zur kontinuierlichen herstellung von partialglyceridsulfaten A process for the continuous production of partial glyceride |
| 06/04/1992 | DE4038285A1 Sulphanilic acid prepn. - by heat coking aniline hydrogen sulphate with addn. of specified amine bases to increase productivity |
| 06/04/1992 | CA2097721A1 Process for the continuous production of partial glyceride sulfates |
| 06/04/1992 | CA2097613A1 Process for the production of partial glyceride sulfates |
| 06/03/1992 | EP0488686A1 A process of making naphthoquinone diazide esters using lactone solvents |
| 05/29/1992 | WO1992008695A1 METHOD OF PREPARING CONCENTRATED AQUEOUS DISPERSIONS OF THE MONO AND/OR DI SALTS OF α-SULPHONIC ACIDS |
| 05/27/1992 | EP0486606A1 Process for preparing 5-chlor-2-hydroxy-4-alkyl-benzene-sulphonic acids |
| 05/27/1992 | EP0486582A1 Process for preparing light-coloured oleic acid sulfonates. |
| 05/27/1992 | CN1016782B Process for preparing 1-ethylol-2-methyl-5-nitroimidazole |
| 05/26/1992 | US5117051 Sulfonation |
| 05/26/1992 | US5117050 Phenylene diamines and process for the preparation of phenylene diamines |
| 05/26/1992 | US5117032 Process for making glycerol ether sulfates |
| 05/26/1992 | US5116982 Fluorination |
| 05/19/1992 | US5114821 Toner and developer compositions with charge enhancing additives |
| 05/19/1992 | CA1301186C Preparation of esters |
| 05/14/1992 | WO1992007926A1 Improving the color of surfactant agglomerates by admixing a solid bleaching agent |
| 05/14/1992 | DE4134526A1 Positive photoresist compsns. - contain alkali-soluble resin and, as light-sensitive additive, ester or amide of 1,2-naphthoquinone-(2)-di:azide-6-sulphonic acid |
| 05/14/1992 | DE4035935A1 Prodn. of alpha-sulpho fatty acid salt dispersions - with high concn. using surfactant to reduce viscosity |
| 05/12/1992 | US5112519 Process for production of biodegradable surfactants and compositions thereof |
| 05/12/1992 | CA1300629C Process for producing amidine sulfonic acid intermediates for guanidines |
| 05/06/1992 | EP0483413A1 Improving the colour of surfactant agglomerates by admixing a solid bleaching agent |
| 05/06/1992 | EP0483195A1 Process for preparing quaternary ammonium compounds. |
| 04/30/1992 | WO1992006952A1 Method of preparing alkylsulphate pastes with improved flow properties |
| 04/30/1992 | WO1992006935A1 Sulfonating agent and process |
| 04/30/1992 | DE4034242A1 Prepn. of alpha-sulpho:fatty acid ester having low content of di-salts - by reacting liq. satd. fatty acid continuously with dil. sulphur tri:oxide, reacting crude sulphonation prod. with lower alkanol and neutralising |
| 04/29/1992 | EP0482789A2 Benzoquinone compounds |
| 04/28/1992 | US5108500 Adding copper salts |
| 04/28/1992 | CA1299586C Method for acylating a naphthalene compound |
| 04/26/1992 | CA2054293A1 Benzoquinone compounds |
| 04/23/1992 | DE4032909A1 Verfahren zur herstellung von alkylsulfatpasten mit verbesserter fliessfaehigkeit Process for the preparation of alkyl sulfate with improved fliessfaehigkeit |
| 04/21/1992 | US5107019 Sulfoxidizing paraffins, removing excess and sulfur dioxide, adding hydrogen peroxide, removing sulfuric acid, recovering product by adding alcohol, vacuum distilling, or forming azeotrope and distilling |
| 04/21/1992 | CA1299190C Process for the preparation of isethionic acid |
| 04/15/1992 | CN1016246B Method for mfg. aminophenol derivatives |
| 04/14/1992 | US5104440 N-phenylsulfonyl-n'-pyrimidinylureas |
| 04/14/1992 | CA1298849C Aromatic diamines containing sulfonic acid aryl esters, a process for their production and their use in the production of polyurethane plastics |
| 04/07/1992 | US5103051 Reacting perfluoroalkyl (sulfonyl fluoride) monofluoroacetyl-fluoroide and a metal oxide under anhydrous conditions, heating and recovering desired compound from effluent |
| 04/07/1992 | US5103050 Process for preparing perfluoroalkenyl-sulfonyl fluorides |
| 04/07/1992 | US5103049 Deacetylating by metal carbonates |
| 04/07/1992 | US5103046 Process for the preparation of 6-methyl-3,4-dihydro-1,2,3-oxathiazin-4-one 2,2-dioxide and its non-toxic salts, and the acetoacetamide-n-sulfonic acid (salts) which occur as intermediate(s) in this process |
| 04/02/1992 | WO1992005150A1 Sulphonated octadienyl aryl ethers |
| 04/02/1992 | DE4030852A1 Light coloured alpha-sulpho-fatty acid alkyl ester salt prodn. - by sulphonating ester with sulphur tri:oxide gas using cyclic nitrogen base as antioxidant |
| 03/31/1992 | US5101068 Monofluoromethylation of organic compounds, reaction with amino acids |
| 03/31/1992 | US5101058 Chemical intermediates |
| 03/31/1992 | US5100588 Process for the preparation of acyloxybenzenesulfonic acids and their salts |
| 03/26/1992 | DE4030092A1 Sulfonierte octadienylarylether Sulfonated octadienylarylether |