Patents
Patents for C07C 309 - Sulfonic acids; Halides, esters, or anhydrides thereof (15,484)
12/1990
12/26/1990CN1048031A Improved process for preparing paraffin-sulfonic acids
12/25/1990US4980509 Aromatic polycyclic derivatives, their process of preparation and their use in human and veterinary medicine and in cosmetics
12/25/1990US4980373 Hydrazone compound and production therefor, and an insecticidal composition containing the same
12/25/1990US4980147 Radiolabeled technetium chelates for use in renal function determinations
12/25/1990US4980096 Protective coatings; adhesives
12/22/1990WO1990015795A1 New process for the preparation of phenyl-guanidine derivatives
12/22/1990CA2035036A1 Process for the preparation of phenyl-guanidine derivatives
12/21/1990WO1990015793A1 Novel polystyrenesulfonate
12/21/1990CA2059282A1 Polystyrenesulfonate
12/20/1990CA2006424A1 Styrene oxide products
12/19/1990EP0402978A1 Improved process for preparing paraffin-sulfonic acids
12/19/1990CN1047857A 2-hydroxy-3-phenoxypropylamino derivs. and their preparation
12/18/1990US4978780 Preparation of ether sulfonates and polyglycol ether sulfonates, and products prepared by this method
12/17/1990CA2019071A1 Process for the preparation of aromatic sulfonyl chlorides
12/15/1990CA2019011A1 Process for preparing paraffin-sulfonic acids
12/12/1990EP0402339A1 Improved process for the production of carbonate esters
12/12/1990EP0402048A1 Improved process for preparing benzenesulfonate salts
12/12/1990EP0402047A1 Improved process for preparing phenyl esters of substituted acids
12/12/1990EP0401946A2 Allyl esters of substituted phenylacetic acid and their use as pesticides
12/11/1990CA1277678C Bechamp reduction of dns to das using h2so4 and trace of hoac
12/06/1990CA2017875A1 Improved process for preparing phenyl esters of substituted acids
12/06/1990CA2017874A1 Mproved process for preparing benzenesulfonate salts
12/05/1990CN1047494A 8-substituted-2-aminotetralines
12/05/1990CA2018218A1 Process for the production of carbonate esters
12/04/1990US4975482 Viscoelastic fluids formed through the interaction of polymerizable vesicles and alkyl-containing polymers (C-2381)
12/04/1990US4975464 Administering derivatives of p-guanidinobenzoic acid
12/04/1990US4975090 Reacting 1, 2 epoxide with fat fatty acid or mono-or di-glyceride in presence of basic catalysts; epoxidation, neutralization and sulfation
12/02/1990CA2017966A1 Amines
12/01/1990WO1990015056A1 Dopamine agonists
12/01/1990CA2056995A1 Dopamine agonists
11/1990
11/29/1990WO1990014330A1 Novel 8-substituted-2-aminotetralines
11/28/1990EP0399982A1 Novel 8-substituted-2-amino-tetralines
11/28/1990CN1047279A Fungicidal oxime carbamates
11/28/1990CN1047277A Indan-1,3-dione derivative and herbicidal composition containing same as acitive ingredient
11/28/1990CN1010583B Process for extracting paraffins from their mixtures with paraffinsulphonic acids
11/27/1990US4973686 Controlling reactivity of sulfur trioxide by adding an aliphatic ester
11/22/1990EP0398842A1 Hydrazide derivatives
11/22/1990EP0398258A1 Indan-1,3-dione derivative and herbicidal composition containing the same as active ingredient
11/22/1990DE3916360A1 4,4-di:amino-stilbene-2,2-di:sulphonic acid - by redn. of corresp. di:nitro cpd. in aq. medium presence of hydrogenation catalyst with forming acid or salt as reducing agent
11/21/1990CN1010477B Process for extracting paraffins from mixture of alkane and alkanesutphonic acid
11/20/1990US4972040 Process for the preparation of CHF2 OCHFCF3
11/20/1990US4971959 Trisubstituted phenyl analogs having activity for congestive heart failure
11/20/1990CA1276639C Aminobenzamide derivatives
11/16/1990CA2016731A1 Hydrazide derivatives
11/15/1990WO1990013535A1 Compounds
11/14/1990EP0397345A1 Fungicidal oxime carbamates
11/14/1990EP0397052A1 Crotonic acid amide derivatives and insectides containing the same
11/14/1990EP0396732A1 Fluorescent immunoassays and fluorescent compounds and tracers therefore
11/14/1990CN1046895A Dodecylbenzene sulfonic acid ammonium produced by cold direct ammoniation method
11/13/1990US4970337 Reacting bis(trifluoromethyl)disulfone with chlorine and water in an acidic liquid phase
11/13/1990US4970328 Miticide, fungicide
11/07/1990EP0396458A1 Process for the purification of sodium trifluoromethanesulfinate and -sulfonate
11/07/1990EP0396077A1 Phenylene diamines and a process for their preparation
11/07/1990CN1046754A Surface complexes based on alpha-sulphomethyl fatty acid, process for preparing same and use thereof
11/06/1990US4968836 From a hydrocarbyloxy halogenated tetrahydrofuran
11/06/1990US4968835 Process for the preparation of aminoaryl-sulphonic acids
11/06/1990US4968706 Mucolytic, antitussive, bronchodilator, antiinflammatory
11/06/1990CA1276026C Functionalized monomers from 1-(1-isocyanato-1- methylethyl)-3 or 4-(1-methylethenyl) benzene
11/05/1990CA2015705A1 Compounds
11/02/1990CA2015793A1 Process for the purificaiton of trifluoromethanesulfinate and sodium sulfonate
11/01/1990WO1990012861A1 Tenside mixture based on alpha-sulpho fatty acid methyl ester salts
11/01/1990WO1990012784A1 Fungicidal oxime carbamates
11/01/1990WO1990009170A3 Agents for diagnosing and treating melanomas, aromatic halogenated derivatives usable as such agents and their preparation
10/1990
10/31/1990EP0395105A2 Process for preparing perfluoroalkenyl sulfonyl fluorides
10/31/1990EP0395103A1 Process for preparing perfluoroalkenyl sulfonyl fluorides
10/31/1990EP0395102A2 Process for preparing perfluoroalkenyl sulfonyl fluorides
10/31/1990DE3913385A1 Schmelz- und formbare tensidgemische in trockenform auf basis von alpha-sulfofettsaeuremethylestersalzen, verfahren zu ihrer herstellung und ihre verwendung And malleable in dry form sulfofettsaeuremethylestersalzen alpha-melting surfactant mixtures on the basis of, processes for their preparation and their use
10/30/1990CA1275653C Preparation of sulphophenyl esters
10/28/1990CA2015633A1 Process for preparing perfluoroalkenyl-sulfonyl fluorides
10/28/1990CA2015523A1 Process for preparing perfluoroalkenyl-sulfonyl fluorides
10/18/1990WO1990011695A1 Novel n-(sulfomethyl)-n'-arylureas
10/17/1990CN1010016B Salts of alpha-sulfo fatty acid ester with detergent active
10/17/1990CN1010015B Process for preparation of new 2-substituted 3-sulfopropyl-ammoniumbetaines
10/17/1990CN1010008B Process for extraction of paraffin from mixtures thereof with alkane-sulphonic acids
10/16/1990US4963590 Enzyme inhibitor for treating parkinson's disease along with dopa;potentiation
10/16/1990US4963568 Treatment of parkinson*s disease, cardiovascular disorders
10/16/1990US4963548 Fungicides
10/10/1990CN1009923B Process for removing paraffins from their mixture with paraffinsulphonic acid
10/09/1990US4962282 Direct fluorination of fluoro-beta-sultones in order to produce the corresponding fluorooxy-fluorosulfonyl-fluoro-compounds
10/09/1990US4962223 Process for the synthesis of the levodopa
10/09/1990CA1275113A1 Benzyl and trifluoromethyl sulphide preparation process
10/03/1990EP0390683A1 Benzyl-cyclanones derivatives, process for their preparation and cosmetic and pharmaceutical compositions containing them
10/03/1990EP0390682A1 Cosmetic and pharmaceutical compositions containing hydrophilic derivatives of benzylidene camphor and sulfonated hydrophilic derivatives of benzylidene camphor
10/03/1990EP0390181A2 Perylenequinone (UCN-1028D) derivatives
10/03/1990CN1045769A Substituted biphenyls
10/02/1990US4960740 Adducts of smectite clay with phosphoglycerides, such as soybean lecithin; oil well working fluids
10/02/1990CA1274854A1 Process for the extraction of paraffins from mixtures thereof with alkane-sulphonic acids
10/02/1990CA1274845A1 Reducing water sensitivity of strong acids
09/1990
09/30/1990CA2013556A1 Cosmetic and pharmaceutical compositions containing hydrophilic benzylidene camphor derivatives and new hydrophilic sulfonated derivatives of benzylidene camphor
09/27/1990CA2013150A1 Photosensitive compound
09/26/1990EP0389417A1 Process for the preparation of aminobenzene sulfonic acids
09/26/1990EP0388813A2 Pattern forming material and process for forming pattern using the same
09/26/1990EP0388732A2 Pentasubstituted phenyls
09/25/1990US4959491 Detergent grade olefins, alkylbenzenes and alkylbenzene sulfonates and processes for preparing
09/25/1990US4959490 Process for manufacturing disulfonate surfactants
09/22/1990CA2012572A1 Substituted biphenyls
09/18/1990US4958039 Oil and water repellency, antisoilants for textiles
09/18/1990US4957846 Photoresists, photolithography, printed circuits
09/18/1990CA1274213A1 Process and apparatus for the phtochemical sulfochloration of gaseous alcanes
09/12/1990EP0386452A1 Diphenyl heteroalkyl derivatives, their preparation and medicinal and cosmetic preparations prepared therefrom