Patents
Patents for C07C 309 - Sulfonic acids; Halides, esters, or anhydrides thereof (15,484)
05/1988
05/03/1988US4741868 Production of sulfonated asphalt
05/03/1988US4741738 Sulfonation of fats and oils
04/1988
04/27/1988EP0265052A1 Process for preparing fluoroaliphatic ether-containing carbonyl fluoride compositions
04/27/1988EP0264867A1 Styrylaryloxy-ether sulfonates, process for their preparation and their use in petroleum recovery
04/26/1988US4740600 Unblocking with actinic radiation; protective coating; thermoplastic resin mixtures
04/26/1988US4740333 From 3-fluorotoluene with chlorosulfonic acid and thionyl chloride
04/26/1988CA1235708A1 Fungicidal aniline derivatives
04/21/1988DE3634083A1 Substituted hydrocarbon compound, its use as a propellant or fuel additive and motor or fuel oils containing this compound
04/20/1988EP0263951A2 Disazo compounds and compositions containing them
04/20/1988CN87105311A Process for extracting paraffins from their mixtures with paraffinsulphonic acids
04/19/1988US4739116 Preparation of arylsulfonamides
04/19/1988US4739103 Perfluorocycloalkane carbonyl fluorides and their derivatives
04/19/1988US4739052 Phenyl ketone derivatives
04/19/1988US4738804 Sulfonation petroleum feedstock, solvent extraction and neutralization
04/19/1988US4738803 Enzyme inhibitors
04/19/1988CA1235432A1 Process for producing aromatic hydroxy compound
04/19/1988CA1235427A1 Oil soluble low temperature curing quaternary ammonium monomers
04/12/1988US4737295 With phosphatides
04/12/1988CA1235082A1 0,2,5,5-tetra-alkyl-cyclohexan-1-ol-4-ones and their sulfonyl derivatives; process for preparing the same and their use for synthisizing cis cyclopropane lactones
04/07/1988WO1988002394A2 Middle distillate compositions with reduced wax crystal size
04/07/1988WO1988002393A2 Improved fuel additives
04/06/1988EP0262895A1 Diperoxyacid precursors process for production thereof and use in bleaching compositions
04/06/1988EP0262420A2 Surfactant condensation products
04/06/1988CN87106512A Middle distillate compositions with reduced wax crystal size
04/06/1988CN87104101A Certain 2-benzoyl-1, 3, 5-cyclohexanetriones
04/05/1988US4736055 Staring material for photoresist polymers
04/05/1988US4735969 Menadione choline bisulfite adduct, its preparation and antihemorrhagic compositions
04/05/1988US4735747 Process and apparatus for the photochemical sulphochlorination of gaseous alkanes
04/05/1988US4735740 Dry bleaches
04/05/1988CA1234819A1 N-(thio)carbamoylaryl(thio)carboximidic acid esters, process for their preparation, agents containing them and their use as pest control agents
03/1988
03/30/1988EP0262093A2 Process for the preparation of 1-amino-2-naphthol-4-sulfonic acid
03/30/1988EP0261959A2 Improved fuel additives
03/30/1988EP0261958A2 Middle distillate compositions with reduced wax crystal size
03/30/1988EP0261957A2 Chemical compositions and use as fuel additives
03/30/1988EP0261701A1 Process for removing paraffins from their mixtures with paraffinsulphonic acids
03/30/1988EP0261700A1 Process for extracting paraffins from their mixtures with parraffinsulphonic acids
03/30/1988EP0261336A2 Process for the preparation of pure enantiomers of R-(+)-alpha-lipoic acid and S-(-)-alpha-lipoic acid (thioctic acid), and nonene or mesyl derivatives as intermediates therefor
03/30/1988EP0261331A1 Alpha-hydroxy-propyne sulphonic acid and its salts, acidic nickel baths containing these compounds and method for their preparation
03/30/1988EP0261327A1 Process for the production of trihydroxy- or alkoxyhydroxybenzenes
03/23/1988EP0261072A1 Substituted phenyl acid esters, their preparation and their use as insecticides and acaricides
03/23/1988CN87105306A Process for removing paraffins from their mixtures with paraffinsulphonic acids
03/22/1988US4732845 Silver halide color photographic materials
03/22/1988US4732710 Process for the preparation of an anhydrous and aqueous 3-chloro-2-sulfopropionic acid reagent and isolation of the crystalline acid
03/22/1988CA1234391A1 Terpene sulfonate hydrotropes
03/16/1988EP0259817A2 Process for preparing Hypofluorites and bis-hypofluorites
03/16/1988EP0259782A1 Naphthalene and indane derivatives, medicaments containing these compounds and processes for their preparation
03/09/1988EP0258727A1 Process for the preparation of an o-naphthoquinone diazide sulfonic-acid ester
03/09/1988EP0258289A1 Peptide analogs
03/09/1988EP0160909B1 Process for the chlorination and sulphochlorination of organic compounds
03/08/1988US4730069 Cis-platinum complexes with a pentaerythritol derivative as the ligand, a process for their preparation and a pharmaceutical agent containing these compounds
03/08/1988CA1233821A1 Pesticidal phenoxyphenyl and phenoxypyridyl benzoyl ureas and process for preparation
03/02/1988EP0257921A2 New 1,3-diaryl cyclopentanes and derivatives thereof as paf antagonists
03/01/1988CA1233481A1 Preparation of alkali metal and alkaline earth metal salts of acyloxybenzenesulfonic acids
02/1988
02/25/1988WO1988001263A1 A process for recovering and purifying unreacted acrylonitrile
02/24/1988CN87105661A Substituted phenyl acid esters, their preparation and their use as insecticides and acaricides
02/24/1988CN87103543A Fungicides
02/23/1988US4727187 Catalytic fluorination of dichloroalkyl phenyl ether
02/16/1988US4725545 Aryl sulfonyl fluoride inhibitors of elastase and chymotrypsin-like enzymes
02/04/1988DE3625581A1 Process for the purification of aqueous sulphosuccinic acid which contains maleic or fumaric acid
02/02/1988US4723034 Stilbene derivatives, and fungicides which contain these compounds
02/02/1988US4723022 Substituted 2,3-naphthalenedicarboxaldehydes
01/1988
01/28/1988WO1988000584A1 Organophilic polyphenolic acid adducts
01/27/1988EP0254545A2 Diamine compounds
01/27/1988EP0254461A2 Combatting plant nematodes using substituted hydrazones
01/27/1988EP0254368A1 Process for extracting paraffins from their mixtures with alkanesulphonic acids
01/27/1988CN87104974A Substituted hydrazones, process of preparation and their use as pesticide
01/26/1988US4721580 Anionic end-capped oligomeric esters as soil release agents in detergent compositions
01/26/1988CA1231968A1 Process for isolating paraffinsulfonates and sulfuric acid of low alkali metal sulfate content from paraffinsulfoxidation reaction mixtures
01/20/1988EP0253124A2 Certain substituted 3-(substituted oxy)-2-benzoyl-cyclohex-2-enones
01/20/1988CN87104115A Certain substituted 3-(substituted oxy)-2-benzoyl-cyclohex-2-enones
01/13/1988EP0252298A2 Certain 2-benzoyl-1,3,5-cyclohexanetriones
01/12/1988US4719051 Oxygenation
01/07/1988EP0251250A2 Hair treating composition
01/05/1988US4717514 Process for preparing p-toluidine-2-sulphonic acid
01/05/1988US4717418 Herbicidal cyclohexane-1,3-dione derivatives
01/05/1988US4717417 Certain 2-pyridyloxyphenoxypropanoic acid esters having herbicidal activity
01/05/1988CA1231099A1 Long chain alkyl- or alkenyl quaternary ammonium salts and their use as drag reducing agents
12/1987
12/29/1987US4716241 Cyclopentane derivatives
12/29/1987US4716226 Optically active 4-carbalkoxy-2-azetidinones
12/29/1987US4715995 One step, from 2,4-dichlorobenzal chloride
12/23/1987EP0249846A1 Process for the preparation of solid alkali metal salts of alpha sulfofatty acid alkyl esters
12/22/1987CA1230608A1 Process for the production of 4-nitrotoluene-2- sulfonic acid
12/16/1987EP0249164A1 Cationic surfactants based on quaternary ammonium compounds and their use in detergents
12/09/1987EP0248586A2 Process for producing amidine sulfonic acid intermediates for guanidines
12/09/1987EP0248245A2 2-Fluoroalkenyl-phenyl-sulfonic-acid derivatives
12/08/1987US4711905 2,4-dihalogenobenzoyl-(thio)urea insecticides
12/08/1987US4711743 Mixing palladium with nitric acid or mineral acids prior to sulfur trioxide treatment
12/02/1987EP0247953A1 Process for the preparation of benzyl-trifluoromethyl sulfide
12/02/1987EP0247509A2 Process for the manufacture of natural fat or oil derivatives, being liquid or having cold-flowing properties at room temperature, and their use
12/01/1987US4710322 Lower temperature, higher yield, shorter processing time
11/1987
11/25/1987EP0246471A1 Surface-active condensation products
11/24/1987US4709092 Process for the preparation of 2-alkoxybenzosulfonamides
11/24/1987US4709078 Acrylates, and fungicides which contain these compounds
11/24/1987CA1229621A1 Metal ion control agents based on dicyclopentadiene derivatives
11/19/1987EP0245950A2 Insecticidal n-substituted-n' - substituted-n, n'-diacylhydrazines
11/17/1987US4707440 Biopolymer linked to a chelating agent based on an o-cyclohexadiaminediacetic acid
11/17/1987CA1229347A1 Process for working up aqueous solutions of sodium methallyl sulfonate
11/11/1987EP0245133A1 Functionalization of iodo-polyfluoroalcanes by electrochemical reduction, and fluorinated compounds so obtained
11/11/1987EP0244841A2 Surface active compounds having a polymerizable moiety
11/10/1987US4705860 Quaternary ammonium salts and their use as drag reducing agents