| Patents for C07C 309 - Sulfonic acids; Halides, esters, or anhydrides thereof (15,484) |
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| 05/18/1990 | CA2003091A1 Substituted oxadiaminobutanes |
| 05/17/1990 | WO1990005129A2 Quaternary ammonium antistatic compounds |
| 05/16/1990 | EP0368758A2 Zinc cysteate, its preparation and its pharmaceutical and cosmetic uses |
| 05/16/1990 | EP0368429A2 Fluor-substituted benzene derivatives |
| 05/16/1990 | EP0368085A1 Process for the preparation of substituted 1,2-naphthoquinone-(2)-diazide-4-sulfonate esters, and their use in a light-sensitive mixture |
| 05/16/1990 | CA2002641A1 Process for the preparation of quaternary ammonium and phosphonium substituted carbonic acid esters |
| 05/16/1990 | CA2002640A1 Oleum sulphonation process |
| 05/15/1990 | US4925976 Olefin sulfonation method |
| 05/15/1990 | US4925975 Method of preparing alkali metal fluoroalkylsulfonates of high purity |
| 05/15/1990 | US4925950 Hydroxyalkylation |
| 05/15/1990 | US4925874 Novel cyclopropane carboxylates |
| 05/15/1990 | US4925595 Storage stable detergent |
| 05/10/1990 | DE3835742A1 Novel nitroalkylazoles |
| 05/08/1990 | US4923889 Cardiovascular disorders |
| 05/08/1990 | US4923580 A, a-dibromoalkylarenes, hydrogen bromide, hydrogen peroide |
| 05/08/1990 | US4923516 Well cement slurries and dispersants therefor |
| 05/08/1990 | CA2001561A1 Quaternary ammonium antistatic compounds |
| 05/02/1990 | EP0366483A2 Fluoroaliphatic sulfonamido poly(oxyalkylene) compounds |
| 05/02/1990 | EP0366482A2 Fluroraliphatic sulfonamido poly(oxyalkylene) compounds |
| 05/01/1990 | US4922008 Process for the production of 4-nitrotoluene-2-sulfonic acid |
| 05/01/1990 | CA1268599A1 Cis-platinum complexes with a pentaerythritol derivative as the ligand, a process for their preparation and a pharmaceutical agent containing these compounds |
| 04/26/1990 | CA2001276A1 Sulphonation process |
| 04/25/1990 | EP0365370A1 Photostable filtering cosmetic composition in emulsion form, containing a water soluble filter with a broad absorption band and at least one fat-solving UV-A filter |
| 04/24/1990 | US4920181 Polymeric emulsifiers based on amino telechelatic vinyl oligomers II |
| 04/24/1990 | CA1268184A1 Electroplating composition and process and surfactant compound for use therein |
| 04/19/1990 | WO1990003967A1 Process for producing light-coloured salts of alkylesters of alpha-sulphofatty acids |
| 04/18/1990 | EP0364403A1 Distyryl biphenyl compounds |
| 04/18/1990 | EP0364326A1 Derivatives of 2,2-dimethyl-3-(1-hydroxy-2-sulfinoethyl)-cyclopropane-carboxylic acid, method for their preparation, and their use as pesticides |
| 04/18/1990 | EP0363781A1 Process for the preparation of bright-coloured alpha-sulpho-fatty-acid alkyl ester salts |
| 04/18/1990 | EP0363585A1 N-aryl nitrogen heterocycles |
| 04/18/1990 | CN1041361A Process for preparing ethanesulfonamide derivatives |
| 04/17/1990 | US4918236 Herbicides |
| 04/17/1990 | US4918211 Surface active compounds having a polymerizable moiety |
| 04/17/1990 | CA1267903C Trifluoromethanesulfonates and a process for their preparation |
| 04/11/1990 | EP0363094A1 Fluorochemical surfactants and process for preparing same |
| 04/10/1990 | CA2000278A1 Process for the production of light-colored -sulfofatty acid alkyl ester salts |
| 04/10/1990 | CA1267656A1 Photoinitiators for photopolymerization of unsaturated systems |
| 04/10/1990 | CA1267655A1 SULFATES AND SULFO-DERIVATIVES OF .beta.-NAPHTHOL POLYGLYCOL ETHERS AND ACID ZINC BATHS CONTAINING THESE COMPOUNDS |
| 04/07/1990 | CA2000276A1 Fluorosubstituted benzene derivatives |
| 04/05/1990 | WO1990003399A1 Amino acid transport proteins, amino acid analogues, assay apparatus, uses thereof for treatment and diagnosis of cancer |
| 04/05/1990 | WO1990003363A1 Process for producing sulfonates of possibly ethoxylated and/or propoxylated fatty alcohols |
| 04/03/1990 | US4914244 Process for preparing difluorochloromethoxybenzenes |
| 04/03/1990 | US4914128 Controlling phytopathogens |
| 03/29/1990 | DE3830696A1 Process for the preparation of aqueous solutions of alkali metal salts or of the ammonium salt of propyne-3-sulphonic acid |
| 03/28/1990 | EP0360119A1 Process for the preparation of optionally ethoxylated and/or propoxylated fatty alcohols |
| 03/28/1990 | EP0305648B1 Process for the preparation of 4,4'-dinitrostilbene-2,2'-disulfonic acid |
| 03/27/1990 | US4912258 A 4-fluoroaniline compound |
| 03/22/1990 | WO1990002731A1 Process for the preparation of 4-sulfo-2-chlorobenzoic acid |
| 03/22/1990 | WO1990002730A1 Sulfonated fatty ketones, process for producing them and their use as surface-active agents |
| 03/22/1990 | WO1990002729A1 Improvements relating to the production of prodrugs |
| 03/21/1990 | EP0359305A1 Cyclopentane derivatives |
| 03/20/1990 | US4910339 Mixture of blocked diisocyanate and a polyoxyethylene glycol |
| 03/20/1990 | US4910335 Decolorization of alkanesulfonic and arenesulfonic acids |
| 03/15/1990 | DE3827670A1 Process for the preparation of iron(III) salts of organic acids |
| 03/14/1990 | EP0358438A2 Ethanesulfonamide derivatives |
| 03/14/1990 | EP0358118A1 Phenylamides - process for their preparation as well as a drug containing those compounds |
| 03/14/1990 | EP0358097A1 Sulfonated fatty ketones, process for their preparation and their use as tensio-active agents |
| 03/14/1990 | EP0357953A1 Mixtures of organic ammonium salts and their use as drag-reducing agents |
| 03/14/1990 | CN1040363A Lubricant additives |
| 03/14/1990 | CN1040362A N-sulfomethylglycinate, prepn. process and use in the prepn. of herbicides of glyphosate type |
| 03/13/1990 | US4908478 Sulfonating 2-hydroxynaphthalene with sulfuric acid, removing impurities, treating the acid product with ammonia, N-acetylating |
| 03/13/1990 | US4908474 Treating alkali metal phenol sulfonate with equimolar amount of benzoyl chloride and restricted amount of water and base |
| 03/13/1990 | US4908467 Certain fluoroalkylphenylsulfonamides |
| 03/08/1990 | WO1990002116A1 Sulfonated derivatives of oleic acid low alkyl esters, process for producing them and their use |
| 03/07/1990 | EP0357565A2 New process for the synthesis of the levodopa |
| 03/07/1990 | EP0356765A2 Carboxylic acid derivatives, their production and use |
| 03/07/1990 | CN1040191A Insecticidal n'-substd.-n-alkyl-carbonyl-n'-acylhydrazines and n'-substd.-n-acyl-n'-alkylcarbonylhydrazines |
| 03/07/1990 | CN1007061B Process for producing n,n'''-(imino-bioctamethylene)-biguanide trialkylbenzensulfonates |
| 02/28/1990 | EP0356353A1 N-sulfonomethylglycinates, process for their preparation and their use in the preparation of glyphosate-type herbicides |
| 02/28/1990 | EP0355832A1 A hydrazone compound and production therefor, and an insecticidal composition containing the same |
| 02/28/1990 | EP0355675A1 Lower alkylestersulfonates of oleic acid, process for their preparation and their use |
| 02/28/1990 | EP0355598A2 Beta-phenoxyethyl amines and their use in the preparation of dyes |
| 02/28/1990 | EP0355384A1 Method of preparing acyloxybenzenesulfonic acids or salts thereof |
| 02/27/1990 | US4904825 Salts of alkylbenzene or alkane sulfonates; heat resistance; decay; polymer nonconductors; textiles; fibers |
| 02/27/1990 | US4904406 Quaternary ammonium compounds for use in bleaching systems |
| 02/27/1990 | CA1266248A1 Method and apparatus for resolution of stereoisomers in multiphase and extractive membrane reactors |
| 02/22/1990 | DE3827262A1 Process for the preparation of crystalline, anhydrous, flowable lithium dodecylbenzenesulphonate |
| 02/21/1990 | CN1039803A Process for preparation of internal olefin sulphonates |
| 02/14/1990 | EP0354621A1 Overbased sulphonates and their use as additives |
| 02/14/1990 | EP0354329A1 (Hetero) aryloxynaphthalenes with substituents linked over sulphur |
| 02/14/1990 | EP0354234A1 New amines, their use and preparation |
| 02/13/1990 | US4900823 Phenyl ketone derivatives |
| 02/13/1990 | US4900327 Preparations containing substantive nitrodiphenylamine derivative hair dyes |
| 02/07/1990 | EP0353704A1 Liquid or fluid derivatives of natural fats and oils and process for their preparation and use |
| 02/07/1990 | EP0353503A1 Sulfonates of carbonic-acid esters of fatty alcohols, process for their preparation and surface-active compositions containing them |
| 02/06/1990 | US4898685 Surface active compound |
| 02/06/1990 | US4898610 Cyclohexane-1,3-dione derivatives and their use for controlling undesirable plant growth |
| 02/06/1990 | CA1265521A1 Chelators whose affinity for calcium is decreased by illumination |
| 01/30/1990 | US4897419 Pest-combating agents based on derivatives of 2,3-diaminomaleonitrile |
| 01/30/1990 | US4897225 Process for the preparation of room temperature flowable derivatives of natural fats and oils and their use |
| 01/30/1990 | CA1265159A1 Gem-dihalo-1,8-diamino-4-aza-octanes |
| 01/30/1990 | CA1265155A1 P-sulphophenyl alkyl carbonates and detergent compositions and detergent additives containing these compounds |
| 01/24/1990 | EP0352150A1 Process for the preparation of meta-substituted fluoro or alkyl benzene derivatives |
| 01/24/1990 | EP0352034A2 Process and intermediate compound for the preparation of CHF2OCHFCF3 |
| 01/24/1990 | EP0352013A2 Hydroxymethyl cyclobutyl purines |
| 01/24/1990 | EP0351928A1 A process for the preparation of internal olefin sulphonates |
| 01/24/1990 | EP0351615A1 Process for the preparation of 4-alkoxy-2-hydroxybenzophenone-5-sulfonic acids |
| 01/23/1990 | US4895977 Oxidation |
| 01/23/1990 | US4895674 Thermally stable sulfonate compositions |
| 01/17/1990 | EP0350863A2 Surface active agent for use in emulsion polymerization |