Patents
Patents for C07B 45 - Formation or introduction of functional groups containing sulfur (608)
01/1989
01/18/1989EP0299034A1 Process for the preparation of compounds with antiulcer action.
12/1988
12/20/1988US4792634 Heating iodoaromatic compound with sulfur
12/07/1988EP0293913A1 Process for the preparation of ethanesulfone compounds which may be substituted
12/07/1988EP0293744A1 Process for recovering benzolmonosulfonic acids from aqueous solutions or suspensions
08/1988
08/23/1988CA1241015A1 Fluidifier and stabilizer additive and method of preparation thereof
07/1988
07/28/1988WO1988005436A1 Process for the preparation of compounds with antiulcer action
07/13/1988EP0274353A1 Process for the preparation of benzoin sulfonates
06/1988
06/21/1988CA1238330A1 Process for preparing (hydrocarbylthio) aromatic amines
05/1988
05/18/1988EP0267518A1 Process for the sulfation of partial esters of polyvalent aliphatic alcohols
05/11/1988EP0266849A1 Process for introducing a thiocarboxylic ester group at the ortho-position of phenols or phenylamines
03/1988
03/30/1988EP0261668A1 Process for the preparation of 4-alkoxy-2(5H) thiophenones
03/16/1988EP0259882A1 Process for the reduction of organic sulfur compounds
03/09/1988EP0160909B1 Process for the chlorination and sulphochlorination of organic compounds
12/1987
12/02/1987EP0247490A1 Sulphited fatty materials
09/1987
09/22/1987US4695409 Control of disalt in α-sulfofatty acid ester surfactants
08/1987
08/11/1987US4686097 Process for the removal of the residual sulfuric acid from the reaction mixture produced in the sulfoxidation of paraffins
07/1987
07/28/1987CA1224795A1 Srs-a antagonists
07/01/1987EP0226635A1 Method for neutralization of organophilic acidic compounds.
05/1987
05/05/1987US4663142 Generation of sulphur trioxide from oleum
05/05/1987CA1221376A1 Sulfonylation process
04/1987
04/07/1987US4656290 Reducing with iodine catalysts
03/1987
03/03/1987US4647655 Method for splitting di-sulphide bonds and a compound obtained thereby
01/1987
01/29/1987WO1987000520A1 Method for neutralization of organophilic acidic compounds
01/24/1987CN85101506A Process for removing the residual sulfuric acid from the reaction mixture produced in sulfoxidation of alkanes
01/14/1987EP0208323A1 Sulphur compound production
12/1986
12/09/1986US4628087 Process for the preparation of pharmacologically active compounds containing a sulfoxide group
11/1986
11/04/1986US4620950 Process for preparing aryl sulfone sulfonic acids
10/1986
10/21/1986US4618724 Perfluorocarbon polymer oxidation catalyst and preparation of carbonyl compound
10/15/1986EP0197869A1 Process for the preparation of pentafluoroethoxy- and pentafluoroethyl thiobenzene derivatives
10/14/1986US4617153 Perfluorocarbon polymer containing difluoromethylene chromium sulfonyl pendant groups
09/1986
09/09/1986US4610829 Polyfluorinated sulphonic acids and their derivatives
08/1986
08/27/1986CN85109395A Generation of sulphur trioxide from oleum
08/19/1986CA1210015A1 Industrial process for oxidizing thioethers or thiolcarboxylic acid derivatives
07/1986
07/30/1986EP0189285A2 Generation of sulphur trioxide from oleum
06/1986
06/10/1986US4594453 Reacting hydrocarbyl disulfide with aromatic amine
04/1986
04/16/1986EP0178185A2 Novel aromatic polymers
03/1986
03/12/1986EP0173941A2 Process for the regulation of the content of di-salts in apha-sulpho fatty-acid esters tensides
01/1986
01/22/1986EP0169101A1 Process for preparing (hydrocarbylthio)cyclic amines
11/1985
11/13/1985EP0160909A2 Process for the chlorination and sulphochlorination of organic compounds
10/1985
10/22/1985CA1195688A1 Process for the preparation of thioethers
10/16/1985EP0158235A2 Process for the removal of residual sulfonic acid from the reaction mixture formed during the sulfoxidation of paraffines
09/1985
09/18/1985EP0155221A2 A process for the preparation of functionalized monomers
07/1985
07/31/1985EP0150026A2 Chemical process
07/03/1985EP0147298A2 Sulfonylation process
05/1985
05/22/1985EP0141928A1 Process for the sulphonation of aromatic compounds with sulphur trioxide
04/1985
04/23/1985US4513005 Sulfide or sulfone hydroxy acids
01/1985
01/29/1985US4496720 Preparation of thioethers
12/1984
12/25/1984US4490487 SO3 /Imide adducts, process for their preparation and their use as sulphonating agents
12/19/1984EP0128885A1 A method for splitting di-sulphide bonds
11/1984
11/22/1984WO1984004525A1 A method for splitting di-sulphide bonds and a compound obtained thereby
11/21/1984EP0125654A2 Process for the preparation of especially pharmacologically active compounds containing a sulfoxide group
08/1984
08/21/1984US4466914 Process for the conversion of primary and secondary alcohols to their corresponding thiols and thiol esters
07/1984
07/04/1984EP0112541A1 SO3 imide adducts, process for their preparation and their uses as sulfonating agents
05/1984
05/22/1984US4450114 Esterification of an hydroxyethylsulfone group with sulfamic or sulfuric acid in presence of secondary or tertiary amine
01/1984
01/17/1984CA1160430A1 Method of removing heat from exothermic chemical reactions
11/1983
11/09/1983EP0093363A1 Process for the preparation of disulphides
10/1983
10/12/1983EP0091141A1 Process for the preparation of thioethers
10/12/1983EP0091052A2 Industrial process for the oxidation of thioethers and thiol-carboxylic-acid derivatives
09/1983
09/21/1983EP0088831A1 Process for the preparation of thioethers
04/1983
04/19/1983CA1144889A1 Use of a gasification device in photochemical gas-liquid reactions
04/12/1983CA1144561A1 Method for the film sulphonation in a multitubular reactor and such a reactor suitable to embody said improved method
01/1983
01/05/1983EP0068739A1 Sulphur-containing 5-hydroxy-alkanoic acid derivatives, their use as pharmaceutical preparations and process for their production
10/1982
10/19/1982CA1133933A1 Method for treating effluent gas from sulfonation process
09/1982
09/28/1982US4351765 Process for the production of compounds having in the molecule at least one β-sulfatoethyl-sulfone group and at least one sulfonic acid group
06/1982
06/08/1982CA1125309A1 Process for preparing benzene derivatives by reaction of an activated halobenzene with an oxygen- or sulfur-containing anionic organic reagent
04/1982
04/13/1982CA1121826A1 Method of making an organic metal salt or complex
02/1982
02/23/1982CA1118746A1 Catalyst for dehydrogenating organic compounds, in particular amines, thiols, and alcohols, and a process for its preparation
09/1981
09/01/1981US4287125 By reacting an alkali or alkaline metal salt of an alcohol or mercaptan with an activated halobenzene in the presence of a tertiary amine sequestering agent
05/1981
05/12/1981US4267119 Sulfonating method
05/06/1981EP0028203A1 Process for carrying off the reaction heat from exothermal chemical reactions and apparatus for carrying out the process
04/1981
04/14/1981US4261916 Sulph(on)ation process
02/1981
02/17/1981US4251456 Method for treating effluent gas from sulfonation process
01/1981
01/14/1981EP0022387A1 Process for the preparation of benzene derivatives by the reaction of an activated halobenzene with an organic compound containing an oxygen or sulphur anion
01/07/1981EP0021220A1 Use of a gasifying nozzle in photochemical gas-liquid reactions
12/1980
12/02/1980US4237290 Odorants, flavorings; reaction of a sulfonium salt and a mercaptan
11/1980
11/11/1980CA1089486A1 Sulfonating method and apparatus
10/1980
10/07/1980US4226796 Sulph(on)ation process
09/1980
09/23/1980US4224190 Indium dispersed in a carrier
08/1980
08/26/1980CA1084524A1 Process for the functionalization of perfluorated radicals
07/1980
07/15/1980US4212544 Orifice plate mixer and method of use
03/1980
03/25/1980CA1074300A1 Method for removal of thiol-protecting groups
03/25/1980CA1074095A1 Lubricant additives
03/04/1980CA1072977A1 Process for sulfonation and apparatus therefor
03/04/1980CA1072976A1 Sulphonation process and apparatus
02/1980
02/20/1980EP0008174A1 Method of making an organic metal salt or complex
01/1980
01/22/1980US4185030 Sulfonating method
01/08/1980US4182915 Preparation of substituted aromatic compounds
04/1979
04/17/1979US4149982 Sulfurized glycerides, triglycerides and unsaturated alpha olefins
04/03/1979US4147640 Lubricant composition
01/1979
01/30/1979CA1047505A1 Organic sulphoxides_
12/1978
12/19/1978US4130562 Odorant or flavoring thiazolyl disulphides
09/1978
09/12/1978US4113438 Sulfonating apparatus
08/1978
08/22/1978US4108099 Method and apparatus for forming a coated container
07/1978
07/25/1978US4102911 Continuous, sulfur trioxide
07/04/1978US4098806 Process for functionalizing perfluorohalogenoalkanes
04/1978
04/25/1978US4086256 Process for sulfonation
02/1978
02/07/1978US4072470 Gas feeder for sulfonation apparatus
01/1978
01/17/1978US4069259 Process for preparing organic disulfides
08/1977
08/02/1977US4039586 Oxidation of thiols to disulfides
07/1977
07/19/1977US4036875 Sulfur trioxide
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