| 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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| 02/22/1990 | DE3827262A1 Process for the preparation of crystalline, anhydrous, flowable lithium dodecylbenzenesulphonate |
| 02/21/1990 | EP0249610A4 Synthesis of optically active aryloxypropanolamines and arylethanolamines. |
| 02/21/1990 | CN1039803A Process for preparation of internal olefin sulphonates |
| 02/21/1990 | CN1039799A Preparation and application for 2-(2'-nitrobenzoyl)-1, 3-cyclohe-xanediones |
| 02/14/1990 | EP0354621A1 Overbased sulphonates and their use as additives |
| 02/13/1990 | US4900867 Process for producing fluorosulfonamides |
| 02/13/1990 | US4900846 Process for making 1,3-dioxane derivatives |
| 02/13/1990 | US4900841 1-[4-[(methyl-sulfonyl)amino]benzoyl]aziridine |
| 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 | US4898981 Heteroatom containing perfluoroalkyl terminated neopentyl glycols and compositions therefrom |
| 02/06/1990 | US4898610 Cyclohexane-1,3-dione derivatives and their use for controlling undesirable plant growth |
| 02/06/1990 | CA1265526A1 Cyclohexenone derivatives and their use for controlling undesirable plant growth |
| 01/30/1990 | CA1265150A1 Process for the preparation of benzoyl ureas |
| 01/24/1990 | EP0352150A1 Process for the preparation of meta-substituted fluoro or alkyl benzene derivatives |
| 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 |
| 01/24/1990 | EP0351603A2 Transvinylation reaction |
| 01/24/1990 | CN1006548B Improvements in or relating to benzenesul fonamido derivatives |
| 01/23/1990 | US4895977 Oxidation |
| 01/10/1990 | EP0350471A2 New compounds, their preparation and use |
| 01/09/1990 | US4892969 Reduction of hydroxylimino-tetralone-sulfonic acid, copper catalyst |
| 01/09/1990 | US4892968 3,3'-Dichloro-4,4-diaminodiphenyl sulfonic acids |
| 01/02/1990 | US4891155 Preparation of alkyl aryl sulfonate concentrates having low viscosity |
| 12/27/1989 | EP0348350A1 Heteroatom containing perfluoroalkyl terminated neopentyl glycols and polymers therefrom |
| 12/26/1989 | US4889870 2-(2,2-Difluorocyclopropyl)alkyl esters, processes for their preparation and their use as insecticides and acaricides |
| 12/20/1989 | EP0347066A1 New enantiomers and their isolation |
| 12/13/1989 | EP0345846A1 Process for the preparation of surfactants |
| 12/13/1989 | CN1037894A Process for synthesis of arylsulfonylalkylamide |
| 12/12/1989 | US4886629 Process for the preparation of fluorinated benzene sulfonyl fluorides |
| 12/05/1989 | CA1263656A1 Aryloxycycloalkanolaminoalkylene aryl ketones |
| 12/05/1989 | CA1263650A1 Substituted piperazine-1, 4-naphthalenediones |
| 11/29/1989 | EP0343441A2 Fluorinated bis-aryloxy-substituted alkenes, method for their production an their application |
| 11/28/1989 | US4883612 Preparation of para-acyloxybenzene sulfonates |
| 11/28/1989 | CA1263406A1 Purification of crude organosulfonyl chloride |
| 11/21/1989 | CA1263123A1 CONTROL OF DISALT IN .alpha.-SULFOFATTY ACID ESTER SURFACTANTS |
| 11/14/1989 | US4880780 Respiratory system disorders |
| 11/14/1989 | CA1262916A1 Preparation of surfactants |
| 11/07/1989 | USRE33109 Chalcone derivatives |
| 11/07/1989 | US4879249 Linker compounds, linker-compound-ligands and linker-compound-receptors |
| 10/31/1989 | US4877901 Process for synthesizing N,N'-dithiobis(sulfonamides) |
| 10/31/1989 | CA1262554A1 Process for the preparation of 4,4'-dinitrostilbene-2, 2'-disulphonic acid salts |
| 10/25/1989 | EP0338366A1 Process for the preparation of C1-C6 alkanesulfonic acids |
| 10/24/1989 | US4876381 Naphthalene derivatives possessing a retinoid-type action, processes for their preparation, and medicinal and cosmetic compositions containing these derivatives |
| 10/24/1989 | US4876048 Ozonation of impurities |
| 10/24/1989 | US4876047 Reacting nonolefinic compound anhydrously with sulfonating agent, then with nitrile and water |
| 10/17/1989 | US4874894 Reacting substituted benzene with sulfuric acid and phosphorus oxychloride, amidation with aqueous ammonia |
| 10/17/1989 | US4874892 Process for the preparation of 6-hydroxynaphthalene-1-carboxylic from 1-aminomethylnaphthalene-6-sulphonic acid |
| 10/17/1989 | US4874552 Mixing with hydrogen peroxide and alkali metal carbonate |
| 10/17/1989 | CA1262354A1 Improved sealing process and sealing agents for aluminum |
| 10/11/1989 | EP0336568A1 Process for the bromination of alkyl benzenes |
| 10/11/1989 | EP0336567A1 Process for the bromination of alkyl arenes |
| 10/10/1989 | US4873338 Process for the preparation of 2-amino-5-acylamino phenols and starting compounds suitable therefor |
| 10/10/1989 | US4873169 Reacting naphthoquinone diazide sulfonic acid halide with mono- or polyvalent phenolic compound |
| 10/10/1989 | US4873026 Process for the preparation of 1-aminonaphthalene-2,4,7-trisulphonic acid and 1-aminonaphthalene-7-sulphonic acid |
| 10/10/1989 | US4873025 Alkylxylene sulfonate compositions |
| 10/10/1989 | US4873020 Fluorochemical surfactants and process for preparing same |
| 09/27/1989 | EP0334199A2 Sulfonates of esters of unsaturated fatty acids and unsaturated fatty alcohols, and process for their preparation |
| 09/26/1989 | CA1261872A1 Herbicidal cyclohexane-1,3-dione derivatives |
| 09/20/1989 | EP0333557A2 Process for the preparation of arylsulfonylalkylamides |
| 09/19/1989 | US4868338 Method for acylating a naphthalene compound |
| 09/19/1989 | US4868331 Anticoagulants, antiatherosclerotic, antiischemic |
| 09/19/1989 | US4868216 Sulfamoyl-substituted phenethylamine derivatives and process of producing them |
| 09/19/1989 | US4867916 Ester manufacture |
| 09/19/1989 | CA1259627A1 PREPARATION OF .alpha.-ARYLALKANOIC ACIDS |
| 09/13/1989 | EP0332137A2 Process for the preparation of 4,4'-dinitrostilbene-2,2'-disulfonic acid and a salt thereof |
| 09/13/1989 | CN1035499A Process for preparing sulfating alkanol-or alkylphenel-ethoxylates with 1,4-dioxan of low level |
| 09/12/1989 | US4866190 Reacting a metal hydroxymethanesulfinate with a perhaloalkyl halide |
| 09/12/1989 | US4865774 Surface-active hydroxysulfonates |
| 09/12/1989 | CA1259243A1 Aqueous systems containing amino sulfonic acid derivatives of carboxylic acids |
| 09/05/1989 | US4864052 2,2-Dimethylcyclopropane-carboxylic acid derivatives |
| 09/05/1989 | US4864045 Reacting ammonium bisulfate or sulfate with aminoethyl carba-mate or oxazolidinone |
| 08/30/1989 | CN1035111A Process for preparing hydroxyalkylation agent, agent from them and use |
| 08/29/1989 | CA1258863A1 Cyclohexane derivatives |
| 08/23/1989 | EP0328980A1 Process for the preparation of pastes of ester sulfonates with low viscosity |
| 08/22/1989 | US4859374 Sulfosuccinamido acids of polyoxypropylenediamines and their use as emulsifiers |
| 08/22/1989 | US4859373 Process for the production of alkanesulphonic acids |
| 08/22/1989 | US4859372 In presence of hydrogen halide |
| 08/16/1989 | EP0327981A1 Process for the preparation of 2-cyano-3-aminoacryl nitrile derivatives |
| 08/16/1989 | EP0327938A1 Process for the preparation of unsaturated fatty acid lower alkyl ester sulfonates |
| 08/16/1989 | EP0327926A1 Method for the preparation of acyloxyalkane sulfonic acid salts |
| 08/16/1989 | CN1034713A Process for preparing surface active agent composition containing ether-sulphuric acid ester with low level dioxane |
| 08/15/1989 | CA1258456A1 Aryl or hetero-aryl derivatives of 1-hydroxy-pentane or 1-hydroxy-hexane for treating inflammation and allergies |
| 08/10/1989 | WO1989007096A1 Hydrogenation of halonitroaromatic compounds |
| 08/09/1989 | EP0327007A1 Process for the preparation of sulfated alkanol or alkylphenoloxethylates with low content of 1,4 dioxane |
| 08/02/1989 | EP0325975A1 Process for the production of alkali salts of biphenyl-4,4'-disulphonic acid |
| 08/01/1989 | US4853382 Treating asthma and bronchitis |
| 07/25/1989 | CA1257875A1 N, n'-bis(sulfonyl) hydrazines having antineoplastic activty |
| 07/19/1989 | EP0324692A1 Process for the preparation of hydroxyalkylating agents, the agents as prepared and their use |
| 07/19/1989 | EP0324494A1 Permanent antistatic acid copolymer/quaternary amine mixtures and permanent antistatic polymeric films made therefrom |
| 07/11/1989 | US4847018 Process for producing petroleum sulfonates |
| 07/11/1989 | US4846947 Process for preparing an alkanolammonium salt or ammonium salt of surface active agents |
| 07/11/1989 | CA1257283A1 PROCESS FOR PREPARING .alpha.-SUBSTITUTED- ALKYLARYLKETALS |
| 07/04/1989 | US4845285 Nitration of herbicidal diphenyl ether derivatives |
| 07/04/1989 | US4845128 N([(4-trifluoromethylphenyl)amino]carbonyl)benzene sulfonamides |
| 07/04/1989 | CA1256894A1 Naphtalenic derivatives, their preparation, and cosmetic composition including same |
| 06/28/1989 | EP0321854A1 Process for the production of a detergent mixture with low dioxan content containing ether sulphate |
| 06/27/1989 | US4843184 Process for extracting paraffins from their mixtures with paraffinsulfonic acids |
| 06/27/1989 | CA1256378A1 Pharmaceutical composition containing at least one naphtalenic derivative as active principle |
| 06/15/1989 | DE3740695A1 Removal of 1,4-dioxane from aqueous alkyl polyglycol ether sulphate solutions by means of molecular sieve |