Patents
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)
06/1982
06/23/1982EP0054142A1 Process for preparing vinyl sulphonates
06/22/1982US4336148 Antistatic agents of vicinal diols
06/15/1982US4335246 For disperse dyes
06/15/1982US4335079 Apparatus for the sulfonation or sulfation of organic liquids
06/15/1982US4335057 4-(2',2,2'-Trihalogenoethyl)-cyclobutane-1-sulfonic acid salts with optically active bases
06/09/1982EP0053331A1 Continuous process for the production of chloroalkylsulphonyl isocyanates
06/09/1982EP0053314A1 Process for the chloro-sulphonation of biphenyl and diphenyl ether
06/08/1982CA1125309A1 Process for preparing benzene derivatives by reaction of an activated halobenzene with an oxygen- or sulfur-containing anionic organic reagent
06/01/1982US4332941 Cyclohexanones and cyclohexenones
06/01/1982CA1124741A1 Process for preparing diaryl ethers
05/1982
05/26/1982EP0052307A1 Process for preparing 1-aminonaphthalene-4,6-disulphonic acid and 1-aminonaphthalene 2,4,6-trisulphonic acid
05/25/1982US4331680 Pesticidal compounds, compositions and methods
05/25/1982US4331613 Process for the preparation of trifluoromethylnaphthalenes
05/25/1982CA1124259A1 Petroleum sulfonates
05/19/1982EP0051783A1 Process for preparing 1,4-diamino-anthraquinone-2-sulphonic acid
05/18/1982US4330556 Microbicidal N-1'-hydrocarbyloxycarbonylethyl)-N-alkoxyacetylanilines
05/18/1982US4330542 N(Sulfonyl)anilines for treating angina pectoris
05/18/1982US4330488 Reacting anhydrous camphorsulfonic acid with sodium methylate then aromatic aldehyde
05/18/1982US4330294 Anthraquinone compounds and process for dyeing therewith
05/11/1982US4329499 Alkyldiphenyl ether-sulphonic acid hydrazides, their preparation and their use as blowing agents
05/05/1982EP0012759B1 Stabilized petroleum sulfonate products and their use in subterranean oil recovery
04/1982
04/28/1982EP0050186A1 A method for the preparation of vinyl compounds
04/27/1982US4327036 Chlorination process
04/27/1982US4327031 Anti-solar cosmetic composition
04/27/1982CA1122603A1 Process for the preparation of arylacetic acid derivatives
04/20/1982US4325887 Isocyanatoaryl sulfonic acid esters
04/13/1982US4324741 Perfluoroalkyl group-introducing agents
04/06/1982US4323549 Anti-solar cosmetic composition
04/06/1982CA1121379A1 Esters
03/1982
03/30/1982US4322367 Deoiling of aqueous solutions of sodium lauryl sulfate
03/30/1982CA1120952A1 Process for the manufacture of overbased magnesium sulfonates
03/30/1982CA1120944A1 Isocyanatoaryl sulphochlorides, a process for their preparation and their use in the preparation of polyisocyanate polyaddition products
03/30/1982CA1120744A1 .beta.-NAPHTHYL AND .beta.-TETRAHYDRONAPHTHYL-PHENYL EHTERS
03/24/1982EP0047950A1 Omega-fluorosulphato-perfluorocarboxylic-acid derivatives and process for their production
03/24/1982EP0047948A2 Process for the production of polyfluorocarbonyl compounds and some representatives of this family
03/24/1982EP0047946A1 Process for the production of monohydro-perfluoroalkane-sulphonic-acid halogenides and some particular representatives of this family
03/24/1982EP0047945A2 Process for the production of perfluorocarbonyl-sulphonic-acid fluorides and the fluorosulphatoperfluoroalkane-sulphonic-acid halogenides resulting therefrom as intermediates
03/24/1982EP0047882A2 Dispersing compositions containing formaldehyde condensates
03/23/1982US4321216 Carboxylic acid solvent, solvent extraction
03/23/1982US4321215 Process for extraction and neutralization of hydrocarbon sulfonic acids
03/23/1982US4321214 Extreme purification of sulfonic-type acids for processing to highly overbased metal sulfonates
03/23/1982US4321081 Ortho-(trifluoromethylsulfonamido)benzamides as herbicides
03/17/1982EP0047536A2 Substituted propylamines
03/17/1982EP0047496A1 Sulfonyl ureas, processes for their production, pharmaceutical compositions based on these compounds and their use
03/17/1982EP0047450A1 Process for the production of naphthalene-2-sulphonic acid and naphthalene-2,6-and-2,7-disulphonic acids
03/16/1982CA1120058A1 Phenethanolamines, formulations and potentiation of oncolytic drugs
03/10/1982EP0047126A2 Improved calcium sulphonate process
03/10/1982EP0046970A2 Partially esterified polyalcohols, possibly reacted with sodium sulphite, methods for their preparation and their use as non-ionic and/or anion-active tensioactive products kind to the skin
03/10/1982EP0046931A2 N-oxiamide, preparation thereof and use thereof as fungicide
03/09/1982US4318921 Hypotensive agents; adrenergic blocking agents
03/09/1982US4318823 Containing 4-hydroxyalkane sulfonates
03/02/1982US4317920 Antirheumatic agents, antiinflammatory agents
02/1982
02/23/1982US4316908 Insecticides
02/23/1982US4316862 By reacting an aromatic compound with chlorosulfonic acid and thionyl chloride
02/23/1982US4316861 N-Nitroaryl-N-halosulfonyl ureas
02/17/1982EP0046005A2 Preparation of improved phenylalkylsulfonates
02/17/1982EP0045964A1 Derivatives of 3-amino-1,2-propane diol
02/16/1982US4315857 Process for the synthesis of azobenzene compounds having a cyano group in one or both of the ortho positions of the diazo component radical
02/10/1982EP0045431A1 Process for the side-chain bromination of toluenes and mixtures of toluenes diversly highly brominated in the side chain
02/09/1982US4314950 Sulfonation; phosgenation
01/1982
01/27/1982EP0044482A2 N-allenylalkyl-acetanilides, process for their preparation and their use as fungicides
01/26/1982US4312862 Therapeutically active derivatives of benzamide
01/19/1982US4311650 Multi-stage neutralization of sulfated compounds
01/12/1982US4310473 Water alcohol azeotropes
01/05/1982US4309453 Process and compounds for surface modification of macromolecular substances
01/05/1982US4309363 Novel process
01/05/1982US4309317 Clear aqueous olefin sulfonate solution
12/1981
12/29/1981US4308215 Sulfonation process
12/16/1981EP0041736A1 Fluorocarbon ethers having substituted halogen site(s) and process to prepare
12/16/1981EP0041631A1 Process for the production of nitronaphthalene sulfonic acids
12/09/1981EP0041134A2 Process for the separation of water-soluble salts of aromatic sulphonic acids from sulphonated mixtures
12/08/1981US4304938 M-phenoxybenzaldehyde oxime, chlorinating benzaldehyde, 2-/m-phenoxyphenyl/-1,3-dioxolane
12/08/1981US4304931 Biphenylhydroxypropionic acid derivatives
12/08/1981US4304911 Antihistamines, antiallergens, anticholinergic agents, antiinflammatory agents, bronchodilator agents, and analgesics
12/08/1981US4304780 Aminoalkylthiophene derivatives as histamine H2 -antagonists
12/08/1981US4304730 4-(2-Oxo-3-bornylidene methyl) benzene sulfonic acid and salts thereof
12/01/1981US4303673 N-Propionylsarcosineanilides, process for their preparation, and pharmaceutical compositions containing them
12/01/1981CA1113493A1 Herbicidal diphenyl ethers
11/1981
11/25/1981EP0040560A1 Alkane-sulfonyl chlorides preparation
11/24/1981CA1113118A1 Separation of sulfonic acide from the base solution
11/17/1981CA1112661A1 Fluorine-containing alkyl-sulfato-betaines and processes for their manufacture
11/17/1981CA1112660A1 1,6-dimesyl-3,4-dimethyl-d-mannitol and a process for the preparation thereof
11/12/1981WO1981003171A1 Aromatic derivatives of acetic acid alpha-substituted by a sulfo group and production method thereof
11/10/1981US4299967 Insecticides
11/10/1981US4299780 Reacting an alkali or ammonia bisulfite with a carbamoyl halide
11/10/1981US4299740 Concentrated organic sulphonate solutions
11/03/1981US4298547 Selective cracking of 2-phenylalkane isomer with zeolite
11/03/1981CA1111610A1 Peroxygen bleaching and compositions therefor
11/03/1981CA1111609A1 Peroxygen bleaching and compositions therefor
10/1981
10/28/1981EP0038636A2 Sulfonamide derivatives, compositions containing them and their production and use
10/27/1981US4297372 Ureide inhibitors of connective tissue destruction
10/21/1981EP0037971A2 Trisubstituted cyanoguanidines, process for their preparation and their use as fungicides
10/21/1981EP0037883A1 Process for the separation of sulphuric acid from the sulfoxidation product obtained by reacting paraffins with sulphurous anhydride, oxygen and water in the presence of ultraviolet light
10/20/1981US4295976 Fluorinated anti-stain and soil release finishes
10/14/1981EP0037511A1 Process for the isolation of 1-naphthylamine-4,6 and 1-naphthylamine-4,7-disulfonic acids
10/14/1981EP0037510A1 Process for the preparation of 1-naphthylamine-4,6-disulfonic acid and 1-naphthylamine-2,4,6-trisulfonic acid
10/14/1981EP0037509A1 Process for the preparation of 1-naphthylamine-4,7-disulfonic acid
10/13/1981US4294986 Novel para-phenylalkoxy phenylurea and thiourea compounds and herbicidal use thereof
10/13/1981US4294965 Recovering metals from solutions
10/13/1981CA1110654A1 Camphor-treated benzylidenes; process for their preparation and cosmetic substances holding same