Patents
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Patents for C07C 301 - Esters of sulfurous acid (2,612)
11/1990
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
11/21/1990CN1010477B Process for extracting paraffins from mixture of alkane and alkanesutphonic acid
11/20/1990CA1276639C Aminobenzamide derivatives
11/13/1990US4970328 Miticide, fungicide
11/13/1990CA1276164C Urethanes which contain perfluoroalkyl groups, epichlorohydrin groups and dialcohol radicals, the preparation and use thereof
11/07/1990CN1046735A N-sulfenyl-and n-sulfinyl-n, n'-diacyl-hydrazides
11/06/1990US4968835 Process for the preparation of aminoaryl-sulphonic acids
11/06/1990CA1276026C Functionalized monomers from 1-(1-isocyanato-1- methylethyl)-3 or 4-(1-methylethenyl) benzene
10/1990
10/31/1990EP0395581A1 N-sulfenyl and N-sulfinyl-N,N'-diacylhydrazides
10/30/1990CA1275653C Preparation of sulphophenyl esters
10/27/1990CA2015437A1 N-sulfenyl- and n-sulfinyl-n,n'-diacylhydrazides
10/17/1990CN1010016B Salts of alpha-sulfo fatty acid ester with detergent active
10/16/1990US4963590 Enzyme inhibitor for treating parkinson's disease along with dopa;potentiation
10/16/1990US4963548 Fungicides
10/10/1990CN1009923B Process for removing paraffins from their mixture with paraffinsulphonic acid
10/09/1990CA1275104A1 Zinc and/or lead salts of carboxylic acids and their use as corrosion inhibitors
10/02/1990US4960909 7-oxabicyclo[2.2.1] heptane sulfonamide derivatives
09/1990
09/25/1990US4959491 Detergent grade olefins, alkylbenzenes and alkylbenzene sulfonates and processes for preparing
09/18/1990US4958045 Enamines, bactericides, animal growth regulators
09/18/1990US4958039 Oil and water repellency, antisoilants for textiles
09/04/1990US4954160 Herbicides
08/1990
08/28/1990US4952726 Herbicides, plant growth regulators
08/28/1990US4952722 Cyclohex-2-en-1-one derivatives; herbicides
08/28/1990CA1273360A1 Substituted phenylacetic acid amides and compositions thereof having anti-inflammatory and analgesic activity
08/28/1990CA1273353A1 Preparation of acyloxy benzene sulfonate
08/22/1990EP0383365A2 Modified fluorocarbonylimino biurets
08/21/1990US4950686 Anti-mycoplasma agent
08/14/1990US4948812 1-phenoxy-3-amino-2-propanols use thereof
08/14/1990US4948809 Sulphonylalkylamines, processes for the preparation thereof and pharmaceutical compositions containing them
08/08/1990EP0216884B1 Photo-initiator for the photo-polymerization of unsaturated systems
07/1990
07/24/1990US4943656 Sulfonation of polyalkylaromatic compounds, separation into layered liquid phases
07/17/1990CA1271775A1 Isocyanate derivatives containing carbodiimide groups, a process for their production and their use as additives for aqueous solutions or dispersions of plastics
07/10/1990US4940814 Reaction of hexafluoropropene oxide with fluorinated carboxylic acid fluorides
07/10/1990US4940573 Cationic surface-active compounds
07/10/1990CA1271478A1 4-amino-butanoic acid derivatives, process of preparation and use thereof
07/03/1990US4939170 Substituted aminophenyl carbamates
07/03/1990US4939133 N-substituted-2-hydroxy-α-oxo-benzeneacetamides and pharmaceutical compositions having activity as modulators of the arachidonic acid cascade
07/03/1990US4938846 Evaporation of water
06/1990
06/26/1990US4936551 Fatty acid polyoxyalkyl ester sulfonates, a process for their production and their use as surfactants
06/19/1990US4935052 Herbicidal crontonic acid derivatives, their preparation and compositions containing them
06/05/1990US4931549 Process for aryl-quinone and aryl-naphthoquinone diazide sulfonic acids
06/05/1990US4931218 Sulfated hydroxy mixed ethers, a process for their production, and their use
06/05/1990CA1269993A1 AQUEOUS CONCENTRATES OF SALTS OF .alpha.-SULFONATED FATTY ACID ALKYL ESTERS
05/1990
05/29/1990US4929642 Pest-combating agents based on substituted 1,4-naphthoquinones and new substituted 1,4-naphthoquinones
05/29/1990CA1269665A1 Amine dealkylation process
05/23/1990EP0221344B1 Sulphonyl-phenyl alkyl amines, process for their preparation and medicines
05/22/1990US4927454 Substituted 1-benzylsulphonyl-3-heteroaryl-(thio)urea herbicides
05/22/1990CA1269394A1 Ceric oxidant
05/15/1990US4925976 Olefin sulfonation method
05/15/1990US4925975 Method of preparing alkali metal fluoroalkylsulfonates of high purity
05/15/1990US4925874 Novel cyclopropane carboxylates
05/08/1990US4923889 Cardiovascular disorders
05/08/1990US4923882 Novel amine derivatives, salts thereof and an anti-ulcer agent containing the same
05/08/1990US4923505 Herbicides
05/01/1990US4922021 New alkylene diamine derivatives
05/01/1990US4922008 Process for the production of 4-nitrotoluene-2-sulfonic acid
05/01/1990US4921998 Substituted amino-5,6,7,8-tetrahydronaphthyl-oxyacetic acids, processes for their preparation and their use as medicaments
05/01/1990US4921524 Herbicides
05/01/1990CA1268597A1 Diamino acid derivatives
04/1990
04/24/1990US4920181 Polymeric emulsifiers based on amino telechelatic vinyl oligomers II
04/24/1990US4920135 Nonphytotoxic, interfere with metamorphosis
04/24/1990CA1268184A1 Electroplating composition and process and surfactant compound for use therein
04/17/1990US4918236 Herbicides
04/17/1990CA1267903C Trifluoromethanesulfonates and a process for their preparation
04/10/1990US4916157 Acylated naphthylamines as plant fungicides
04/10/1990CA1267656A1 Photoinitiators for photopolymerization of unsaturated systems
04/10/1990CA1267655A1 SULFATES AND SULFO-DERIVATIVES OF .beta.-NAPHTHOL POLYGLYCOL ETHERS AND ACID ZINC BATHS CONTAINING THESE COMPOUNDS
04/04/1990EP0259346B1 R-1-cyan-1-r2 -cis-4-r1 -cyclohexane compounds
04/03/1990US4914244 Process for preparing difluorochloromethoxybenzenes
04/03/1990US4914128 Controlling phytopathogens
03/1990
03/28/1990EP0305648B1 Process for the preparation of 4,4'-dinitrostilbene-2,2'-disulfonic acid
03/27/1990US4912262 Reacting a cyclohexane-1,3,5-trione compound with a acylnitrile in presence of a base and Lewis acid
03/27/1990US4912258 A 4-fluoroaniline compound
03/27/1990US4912244 Vinylsulfonylalkylamino-alkylamines as intermediates for the preparation of fiber-reactive dyes
03/27/1990US4911888 Salt containing phenyl ring
03/20/1990US4910339 Mixture of blocked diisocyanate and a polyoxyethylene glycol
03/13/1990US4908478 Sulfonating 2-hydroxynaphthalene with sulfuric acid, removing impurities, treating the acid product with ammonia, N-acetylating
03/13/1990US4908467 Certain fluoroalkylphenylsulfonamides
03/06/1990US4906662 Phenol derivatives, their preparation and the use thereof
03/06/1990CA1266484A1 Tert-octylhydrazine, its salts and derivatives
03/06/1990CA1266481A1 Bis-cyclohexane-1,3-dione derivatives
03/06/1990CA1266479A1 Herbicidal fused tricyclic 1,3-dione derivatives
02/1990
02/27/1990US4904680 Immunology
02/27/1990US4904661 Phenol derivatives
02/27/1990CA1266277A1 Propionamidine derivatives and process for their preparation
02/26/1990EP0248879A4 Synthesis of aryloxypropanolamines and arylethanolamines.
02/21/1990EP0249610A4 Synthesis of optically active aryloxypropanolamines and arylethanolamines.
02/21/1990CN1039799A Preparation and application for 2-(2'-nitrobenzoyl)-1, 3-cyclohe-xanediones
02/13/1990US4900846 Process for making 1,3-dioxane derivatives
02/13/1990US4900823 Phenyl ketone derivatives
02/13/1990US4900656 Storage stability
02/06/1990US4898610 Cyclohexane-1,3-dione derivatives and their use for controlling undesirable plant growth
02/06/1990CA1265526A1 Cyclohexenone derivatives and their use for controlling undesirable plant growth
02/06/1990CA1265521A1 Chelators whose affinity for calcium is decreased by illumination
01/1990
01/30/1990CA1265155A1 P-sulphophenyl alkyl carbonates and detergent compositions and detergent additives containing these compounds
01/30/1990CA1265150A1 Process for the preparation of benzoyl ureas
01/24/1990CN1006548B Improvements in or relating to benzenesul fonamido derivatives
01/23/1990US4895674 Thermally stable sulfonate compositions
01/16/1990US4894387 5-Substituted-3-aminoalkyl indole derivatives
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