Patents
Patents for C07C 301 - Esters of sulfurous acid (2,612)
03/1981
03/03/1981US4254054 By condensing a 4- or 6-chloro-3-nitro-benzene sulfonic acid and 1,4-phenylenediamine in a saturated aqueous sodium chloride solution
03/03/1981US4254030 Fluorosulphonyl oxafluoroalkanes fluorosulphonyl olefines and processes for their preparation
02/1981
02/24/1981US4252804 Tranquilizers, anticonvulsants, muscle relaxants
02/24/1981US4252542 A crosslinked aminomethylene sulfonic acid; fuel additive; jet fuels
02/17/1981US4251493 Desulfurization using anthraquinone sulfonamide and compound of polyvalent metal
02/17/1981CA1095931A1 Process for the preparation of p-aminomethyl-benzene- sulfonamide derivatives
02/17/1981CA1095930A1 Process for the preparation of new derivatives of taurine having a reinforced neuro-muscular activity
02/17/1981CA1095929A1 Process for making ether sulfonates
02/17/1981CA1095923A1 2-hydroxy-3-naphthoic acid amides
02/17/1981CA1095735A1 Herbicidal compositions
02/11/1981EP0023890A1 Oxime ethers and oxime esters of diphenyl ethers, process for their preparation, and their use in herbicidal compositions
02/11/1981EP0023584A1 Process for the preparation of trifluoromethyl naphthalenes
02/11/1981EP0023578A1 Aminoalkylbenzene derivatives, process for their preparation and pharmaceutical compositions
02/10/1981US4250108 Process for preparing (2-oxo-3-bornylidene/methyl)-benzene sulfonic acids
02/10/1981US4250050 Used in production of emulsion polymers
02/03/1981US4249022 Process for the manufacture of 1,4-disubstituted bicyclic or tricyclic compounds and new 1,4-disubstituted bicyclic compounds
02/03/1981US4249003 Using cyclic alkylene sulfates
02/03/1981US4249002 Polycyclic amines and intermediates therefor
02/03/1981US4248773 Acetoacetamide diazo dyestuffs
02/03/1981CA1095027A1 Dipeptide derivatives
01/1981
01/21/1981EP0022538A2 Process for preparing naphthalenesulphochloride
01/20/1981US4246419 Herbicidal compounds
01/20/1981US4246414 2-Alkoxyalkoxy-5-nitrobenzenesulfonic acid and salt thereof
01/20/1981US4246188 Arylsulfonic acid bromophenyl esters, their preparation, and their use as flameproofing agents
01/20/1981US4246180 Precipitation as the sulfate salt
01/20/1981US4246170 Oxidation resistant
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
01/13/1981US4245110 Polyalkylene oxide-containing urethane polyols with sulphonic acid groups
01/13/1981US4244886 Fluorosulphonyl oxafluoroalkanes and their derivatives
01/13/1981US4244871 Sulfonamido-benzoic acid derivatives
01/13/1981CA1093574A1 Aromatic alkylene oxy sulfonates
01/13/1981CA1093570A1 Benzophenone hydrazones
01/07/1981EP0022118A1 Derivatives of sulfonyl aniline, process for their preparation and their use in therapy
01/07/1981EP0022022A1 Acylated derivatives of taurine and their salts, and process for their preparation
01/07/1981EP0021868A1 Process for the preparation of diaryl ethers
01/07/1981EP0021519A2 Oxyimino-substituted cyclopropane compounds, process for their manufacture, pesticidal compositions and their use as and in the manufacture of pesticides
01/07/1981EP0020885A1 Derivatives of 2-hydroxy-6,9-methano-11-amino-5,6,7,8,9,10-hexahydro-benzocyclooctene, process for their preparation and pharmaceutical compositions containing the same
01/07/1981EP0020859A1 Substituted N-allyl acetanilides, process for their preparation and their use as fungicides
01/07/1981EP0020753A1 Skin-equivalent.
01/06/1981CA1093092A1 Process for making ether sulfonates
01/06/1981CA1093090A1 Non-migratory sulfonyl azide antioxidants
12/1980
12/30/1980US4242275 Process for the preparation of isomer-free toluene-4-sulfonic acid
12/30/1980CA1092609A1 N.sub.1-chloro-3,5-dinitrosulfanilamides
12/23/1980US4240823 New plant growth regulating compositions which contain derivatives of N-acyl methionine
12/23/1980CA1092143A1 Method for production of unsymmetrical 1,3- disubstituted nitrosourea
12/23/1980CA1092141A1 Substituted phenylguanidines and process for their manufacture
12/23/1980CA1092111A1 Sulfonamido-benzoic acid derivatives and process for the preparation thereof
12/16/1980US4239886 Salts of N-acylaminohydroxynaphthalenesulphonic acids
12/16/1980US4239696 Process for the production of alkyl sulfonic acids
12/09/1980US4238410 Process for producing magnesium salt of olefin sulfonic acid
12/09/1980CA1091251A1 CONTINUOUS PROCESS FOR BLEACHING ACID .alpha.-SULFO-FATTY ACID ESTERS
12/09/1980CA1091245A1 4-hydroxyphenylalkanolamine derivatives and preparation thereof
12/02/1980US4237123 Oxyimino-substituted cyclopropanecarboxylate pesticides
11/1980
11/25/1980US4235826 Perfumes
11/25/1980US4235813 Aromatic sulfonamide sulfonyl chloride compounds
11/25/1980US4235803 1,6-Dimesyl-3,4-dimethyl-D-mannitol and a process for the preparation thereof
11/25/1980CA1090370A1 Process for the preparation of acyloxy-n,n'- diacylmalonamides
11/25/1980CA1090340A1 2-aminomethyl-4,6-dihalogenphenol derivatives and methods for the preparation thereof
11/18/1980CA1089875A1 Blowing agents - bis(hydrocarbylsulfonyl) carbohydrazides
11/12/1980EP0018541A1 Process for the preparation of 4-nitrotoluene-2-sulfonic acid
11/12/1980EP0018540A1 Esters of isocamphyl-guaiacum, process of their preparation and their use in the preparation of (isocamphyl-5-)-3 cyclohexanol
11/12/1980EP0018510A1 N-acylated alpha-naphthyl amines, their preparation and their use as plant fungicides, and plant-fungicidal agents containing them
11/11/1980US4233302 Amine derivatives and pharmaceutical compositions containing them
11/11/1980US4233237 Chemical intermediate of a dye releasing compound
11/11/1980US4233236 Neutralization, adding a hydrocarbon solvent to form an azeotropic mixture, distillation
11/11/1980US4233229 Reacting acid chloride, taurine salt, alkali metal hydroxide; precipitating alkali metal chloride
11/11/1980CA1089486A1 Sulfonating method and apparatus
11/11/1980CA1089485A1 .omega.-AMINOCARBOXYLIC ACID AMIDES AND A PROCESS FOR THE PREPARATION THEREOF
10/1980
10/29/1980EP0017850A1 N,N-disubstituted ethylglycine esters, their preparation and use, fungicides containing them and their preparation
10/29/1980EP0017699A1 Derivatives of 2-hydroxy-naphthalene and diazo photographic material containing them as coupling components
10/29/1980EP0017690A1 Oil-soluble sulfonated polyols and sulfonated polyolesters and their preparation
10/28/1980US4230851 Bicyclic nitrogen basic condensation agent
10/28/1980CA1088554A1 Preparation of 5-substituted indane-2 carboxylic acid and derivatives
10/15/1980EP0017568A1 Fluorinated sulfobetaines and applications of their surface-active properties to extinguishing compositions
10/14/1980US4228086 N-Substituted alkyl-N-nitrosocarbamoyl azides
10/14/1980CA1087616A1 Preparation of quinoxaline-1,4-dioxides and intermediates therefor
10/07/1980US4227007 Diurethanes
10/07/1980US4226797 Preparation of monoalkyl sulfuric acids and their salts
10/07/1980US4226796 Sulph(on)ation process
10/07/1980US4226738 N,N-Bis(trifluoromethylsulfonyl)oxamides and chemiluminescent compositions containing the same
10/07/1980CA1087186A1 Cycloalkane-carboxanilides
10/01/1980EP0016357A1 Process for preparing alkaline earth metal salts of alkylbenzenesulfonic acids
09/1980
09/30/1980US4225708 Couplers for preparation of azo dyes
09/30/1980US4225532 Stabilized preparations of aromatic isocyanatosulphonic acids
09/30/1980CA1086769A1 Fluorosulphonyl oxafluoroalkanes, their derivatives, fluorosulphonyl olefines, their copolymers and processes for their preparation
09/23/1980US4224418 Compounds containing hydroxyl groups and urethano-aryl-sulfonic acid groups
09/16/1980US4222935 Process for the manufacture of aromatic nitriles
09/16/1980US4222767 Certain herbicidal sulfonates and sulfamates
09/16/1980CA1085829A1 N-triiodo-benzoylaminoacyl polyhydroxic amines
09/16/1980CA1085824A1 Polycyclic amines and novel intermediates therefor
09/09/1980US4221895 Polyester, polysulfonate, or polysulfinate
09/03/1980EP0014950A1 Method of recovering anthraquinone disulphonic acid salts from a scrubbing liquor
09/03/1980EP0014843A2 Process and compounds for modifying macromolecular surfaces
09/03/1980EP0014801A1 A process for the production of basic magnesium sulphonates
08/1980
08/26/1980US4219561 Adrenergic blocking agents, hypotensive, antiarrhythmia, angina pectoris
08/26/1980US4219499 Sulfamic acid halides
08/26/1980US4219498 Process for preparing highly pure-2-acrylamido-2-methylpropanesulfonic acid
08/26/1980US4219494 O-Aminosulfonylglycolic anilides
08/26/1980US4219493 Substituted O-alkylsulfonylglycolic acid anilides
08/26/1980CA1084526A1 Metaaminophenols and tinctorial compositions having same
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