Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › C07C 309 - Sulfonic acids; Halides, esters, or anhydrides thereof
Patents for C07C 309 - Sulfonic acids; Halides, esters, or anhydrides thereof (15,484)
01/1990
01/17/1990CN1038806A Process for preparation of hydroxyl alkyl sulphonic acid as plating solution
01/16/1990US4894173 Enhanced oil recovery, anionic surfactants
01/16/1990US4894094 Disazo compounds and formulations containing same
01/10/1990EP0350471A2 New compounds, their preparation and use
01/10/1990EP0349856A2 Optically active oxiranes
01/09/1990US4892969 Reduction of hydroxylimino-tetralone-sulfonic acid, copper catalyst
01/09/1990US4892968 3,3'-Dichloro-4,4-diaminodiphenyl sulfonic acids
01/02/1990US4891155 Preparation of alkyl aryl sulfonate concentrates having low viscosity
12/1989
12/28/1989WO1989012618A1 Polymerizable surfactant
12/27/1989CN1038286A Sulfonated bodies of conjugated diolefine,their polymers and polymeric dispersion compositions
12/26/1989US4889870 2-(2,2-Difluorocyclopropyl)alkyl esters, processes for their preparation and their use as insecticides and acaricides
12/26/1989US4889656 Surfactants
12/22/1989EP0274523A4 Organophilic polyphenolic acid adducts.
12/20/1989EP0347216A2 Insecticidal N'-substituted-N-alkylcarbonyl-N'-acylhydrazines and N'-substituted -N-acyl-N'-alkylcarbonyl hydrazines
12/20/1989EP0347066A1 New enantiomers and their isolation
12/20/1989CN1038093A Improvements in or relating to organic compounds
12/14/1989WO1989012085A1 Compounds and methods based on [1.1.1]propellane
12/13/1989EP0345846A1 Process for the preparation of surfactants
12/12/1989US4886629 Process for the preparation of fluorinated benzene sulfonyl fluorides
12/05/1989CA1263665A1 Copolymerizable ethylenically unsaturated surfactants for latex preparation
11/1989
11/29/1989EP0343441A2 Fluorinated bis-aryloxy-substituted alkenes, method for their production an their application
11/28/1989US4883612 Preparation of para-acyloxybenzene sulfonates
11/28/1989CA1263406A1 Purification of crude organosulfonyl chloride
11/23/1989EP0342325A2 Renin-inhibiting amino acid derivatives
11/22/1989CN1037338A Improvements in or relating to organic compounds
11/22/1989CN1037330A Propanamine derivatives
11/21/1989CA1263123A1 CONTROL OF DISALT IN .alpha.-SULFOFATTY ACID ESTER SURFACTANTS
11/15/1989EP0342157A2 Aromatic acids
11/15/1989EP0341991A2 Method for recovery of antibiotics from mother liquors and novel pharmaceutically-acceptable salts thereof
11/15/1989EP0341608A2 Resist composition, novel phenol compound and quinone diazide sulfonic acid ester of novel phenol compound
11/15/1989EP0341551A1 Alkenoic acid derivatives
11/14/1989US4880620 Perfluorinated surface-active oligomers, process for their preparation and compositions containing these oligomers
11/14/1989CA1262917A1 Process for producing iminoctadine 3-alkylbenzenesulfonates
11/14/1989CA1262916A1 Preparation of surfactants
11/07/1989USRE33109 Chalcone derivatives
11/07/1989US4879315 Cyclopropyl analogs as anti-estrogenic, anti-tumor and female fertility agents
11/02/1989WO1989010350A1 Preparation of an epoxide
11/02/1989EP0339878A2 Propanamine derivatives
11/02/1989EP0339815A2 Process for the preparation of pure cis-cyclopropane carboxylic acids and intermediates therefor
11/02/1989DE3813334A1 Bis-styryl compounds
10/1989
10/31/1989CA1262554A1 Process for the preparation of 4,4'-dinitrostilbene-2, 2'-disulphonic acid salts
10/25/1989EP0338992A2 Substituted aryl and heteroaryl bicyclodiones
10/25/1989EP0338366A1 Process for the preparation of C1-C6 alkanesulfonic acids
10/24/1989US4876048 Ozonation of impurities
10/24/1989US4876047 Reacting nonolefinic compound anhydrously with sulfonating agent, then with nitrile and water
10/19/1989WO1989009765A1 Enzymatic resolution systems and compounds useful in the systems and their reparations
10/18/1989EP0337820A1 Pentafluorophenyl derivatives, methods of production of such derivatives including optically active derivatives, and method of optical resolution of chiral carboxylic acids
10/18/1989EP0337738A2 Process for producing a sulfonation product of conjugated diene, polymer of the sulfonation product and dispersion composition containing the sulfonation product and/or of the polymer
10/17/1989US4874892 Process for the preparation of 6-hydroxynaphthalene-1-carboxylic from 1-aminomethylnaphthalene-6-sulphonic acid
10/17/1989US4874552 Mixing with hydrogen peroxide and alkali metal carbonate
10/17/1989CA1262354A1 Improved sealing process and sealing agents for aluminum
10/11/1989EP0336898A2 Substituted aryl or heteroaryl diones
10/11/1989EP0336568A1 Process for the bromination of alkyl benzenes
10/11/1989EP0336567A1 Process for the bromination of alkyl arenes
10/11/1989EP0336267A2 Quaternary ammonium compounds
10/11/1989EP0336142A2 Novel antagonists of platelet activating factor
10/11/1989CN1036212A Organic polymeric material and ion-exchange membrane produced therefrom
10/10/1989US4873338 Process for the preparation of 2-amino-5-acylamino phenols and starting compounds suitable therefor
10/10/1989US4873169 Reacting naphthoquinone diazide sulfonic acid halide with mono- or polyvalent phenolic compound
10/10/1989US4873027 Fluoroalkylaryliodonuim compounds
10/10/1989US4873026 Process for the preparation of 1-aminonaphthalene-2,4,7-trisulphonic acid and 1-aminonaphthalene-7-sulphonic acid
10/10/1989US4873025 Alkylxylene sulfonate compositions
10/10/1989US4873020 Fluorochemical surfactants and process for preparing same
10/05/1989WO1989009204A1 Quaternary ammonium compounds
10/03/1989CA1262145A1 Sulfonate surfactants
09/1989
09/27/1989EP0334511A2 Oxidation process
09/27/1989EP0334199A2 Sulfonates of esters of unsaturated fatty acids and unsaturated fatty alcohols, and process for their preparation
09/26/1989CA1261866A1 P-sulphophenyl carbonates and detergent compositions and detergent additives containing these compounds
09/20/1989EP0333445A2 Aromatic allene compounds and preparation thereof
09/20/1989EP0333248A2 Bleach precursors and their use in bleaching and/or detergent composition
09/20/1989EP0333004A2 Light sensitive diazonium compounds, process for their preparation and their use
09/19/1989US4867916 Ester manufacture
09/19/1989US4867891 Overbased alkali metal sulfonates
09/19/1989CA1259627A1 PREPARATION OF .alpha.-ARYLALKANOIC ACIDS
09/13/1989EP0332137A2 Process for the preparation of 4,4'-dinitrostilbene-2,2'-disulfonic acid and a salt thereof
09/13/1989EP0332064A2 Benzocycloheptene derivatives, pharmaceutical preparations containing these compounds and process for their preparation
09/13/1989EP0161482B1 Fluorinated aniline derivatives and their use
09/12/1989US4866190 Reacting a metal hydroxymethanesulfinate with a perhaloalkyl halide
09/12/1989US4865774 Surface-active hydroxysulfonates
09/06/1989EP0331321A2 Organic polymeric material and ion-exchange membrane produced therefrom
09/06/1989EP0331229A2 Quaternary ammonium compounds for use in bleaching systems
09/06/1989EP0330925A2 Renin-inhibiting amino acid derivatives
09/05/1989US4864052 2,2-Dimethylcyclopropane-carboxylic acid derivatives
09/05/1989US4864046 Intermediates for penicillins
09/05/1989US4864018 Anthraquinone derivatives and their use as protein absorbents
09/05/1989US4863980 Adduct of polysaccharides and phosphatides
09/05/1989US4863640 Polyimide precursors
09/05/1989US4863503 Fungicides
09/05/1989CA1259076A1 Rust preventives
08/1989
08/30/1989EP0330443A2 Cyan dye-forming couplers and photographic materials containing same
08/30/1989CN1035111A Process for preparing hydroxyalkylation agent, agent from them and use
08/29/1989US4861916 Photoinitiators for photopolymerization of unsaturated systems
08/29/1989US4861701 Photographic element and process comprising a compound which comprises two timing groups in sequence
08/24/1989WO1989007622A1 Condensation polymer containing the residue of an acyloxystyryl compound and shaped articles produced therefrom
08/23/1989EP0328980A1 Process for the preparation of pastes of ester sulfonates with low viscosity
08/23/1989EP0328824A2 Sulfonic acid esters useful as sensitizers for positive resists
08/22/1989US4859800 Phenoxyacetate peracid precursors
08/22/1989US4859374 Sulfosuccinamido acids of polyoxypropylenediamines and their use as emulsifiers
08/22/1989US4859373 Process for the production of alkanesulphonic acids
08/22/1989US4859372 In presence of hydrogen halide
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