Patents
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Patents for C07C 301 - Esters of sulfurous acid (2,612)
11/1982
11/17/1982EP0064953A1 Stilbene derivatives
11/17/1982EP0064693A1 Process for the production of 1-benzoylamino-8-hydroxynaphthalene-4,6-disulphonic acid (benzoyl K-acid)
11/17/1982EP0064667A1 Process for the preparation of sulfoalkyl quaternary salts
11/17/1982EP0064651A1 Process for the isolation of H acid and K acid
11/10/1982EP0064445A1 N-substituted 2,4-dialkoxybenzene sulfon amides
11/10/1982EP0064394A1 Manufacture of alpha-arylalkanoic acids and precursors
11/03/1982EP0064006A1 Substituted 2,4-dialkoxybenzenesulfonyl chlorides
11/03/1982EP0063873A1 Haloalkoxy-substituted diphenyl ethers; their use as herbicides and in herbicidal compositions and processes of making them
11/03/1982EP0063767A1 2-Ketosulphon amides and process for their preparation
11/02/1982CA1134823A1 Process for the preparation of oxybenzylidene bornanones and cosmetic composition thereof
10/1982
10/27/1982EP0063418A1 Indanyloxy- and tetralinyloxy-phenoxypropionic acid derivatives, processes for preparing them, and herbicidal processes and compositions utilising them
10/27/1982EP0063271A1 Process for preparing aromatic amino-sulphonic acids
10/27/1982EP0063269A1 Process for preparing amino-arylsulphonic acids
10/26/1982CA1134542A1 Powder coating compositions containing an epoxide resin and an acid hardener
10/20/1982EP0062836A1 Diphenyl ether herbicides, their preparation and use as herbicides
10/19/1982US4355043 Novel derivatives of 3-aminopropanesulfonic acid having a reinforced activity on membrane
10/19/1982CA1133934A1 Flurorinated sulfo-betaines and the use thereof as surfactants in fire-extinguisting compositions
10/13/1982EP0062136A1 Process for the preparation of anhydrous alkane sulfonic acids
10/05/1982US4352751 Species-linked diamine triacetic acids and their chelates
10/05/1982CA1132980A1 Oxidation-reduction reagents for a wet desulfurization process and a process for preparing same
09/1982
09/28/1982CA1132598A1 Phenylether compounds and a process for the preparation thereof
09/14/1982US4349471 Process for the preparation of aromatic sulphonic acid halides
09/14/1982CA1131659A1 Sulphonic acids and sulphonates
09/14/1982CA1131650A1 Oxime derivatives of diphenyl ethers, processes for their production and their use in herbicidal compositions
09/08/1982EP0059323A1 Sulfonated rubrene and aqueous chemiluminescent compositions containing the same
09/08/1982EP0059241A1 Process for preparing aromatic sulfonyl halogenides
09/07/1982US4348336 Process for the isolation of 1-naphthylamine-4,6- and 1-naphthylamine-4,7-disulphonic acid
09/07/1982US4348334 Process for producing the magnesium salt of 3-nitro-naphthalene-1,5-disulfonic acid (nitro-Armstrong's acid)
09/07/1982CA1131247A1 Sulfonation of alkylated aromatic hydrocarbons
09/02/1982WO1982002899A1 Sulfonated rubrene and aqueous chemiluminescent compositions containing the same
09/01/1982EP0058779A2 Carboxamides, their preparation and their use as medicines
08/1982
08/25/1982EP0058384A1 Anionic surface-active compounds based on oxalkylated naphthol novolacquers, and their use
08/24/1982US4346111 Alkanolamine derivatives
08/24/1982CA1130315A1 Paraphenylene diamines for use in oxidizing-type hair dyes
08/19/1982WO1982002780A1 Image-forming compositions containing pigments and ionic polyester dispersing agents
08/18/1982EP0057925A1 Fluorine containing alkylsulfobetaines, process for their production and their use
08/18/1982EP0057889A1 Process for preparing 1-alkyl-2-chloro-5-nitro-benzene-4-sulphonic acids
08/18/1982EP0057861A2 Process for the preparation of nitroanilines
08/17/1982US4344893 Substituted benzophenone hydrazones
08/17/1982US4344889 Process for the continuous preparation of sulfonates derived from molecules having long alkyl chains and, more particularly, sulfonates derived from fatty esters
08/17/1982CA1129625A1 Method for separating sulphuric acid from the sulphoxide discharge arising during the reaction of paraffins with sulphur dioxide, oxygen and water in the presence of ultra-violet light
08/10/1982US4343749 Chlorination of sulfonic acid with pyrocatechol-phosphorus trichloride, optional fluorination
08/04/1982EP0056970A1 Anthranilic acids substituted by basic groups, process for their preparation and their use
08/04/1982EP0056956A2 Indanyl derivatives their preparation and their use
08/03/1982US4342700 Oxidation-reduction reagents for a wet desulfurization process and a process for preparing same
07/1982
07/28/1982EP0056617A2 Cycloheptene derivatives, process and intermediates for their preparation, and pharmceuticals containing them
07/28/1982EP0056589A1 N-substituted anilides, process for their preparation and their use as fungicides
07/28/1982EP0056574A1 Naphthalenesulfonic acid compounds, their preparation and use as coupling components
07/27/1982US4341773 2,4-Diamino-5-sulfamoylbenzene sulfonic acids and process for their manufacture
07/27/1982US4341719 Process for the preparation of 1-amino-2-ethoxy-naphthalene-6-sulphonic acid
07/21/1982EP0056161A2 Hydroximic acid esters, their preparation and their use as fungicides
07/21/1982EP0056119A1 Substituted diphenyl ethers, herbicides containing them and their use as herbicides
07/21/1982EP0056092A1 Light sensitive composition based on o-naphtoquinone diazides and light sensitive copying material produced therefrom
07/13/1982US4339396 Process for the preparation of naphthalenesulphonyl chloride
07/07/1982EP0055428A1 Bis-(3-sulfopropyl)ethers, process for their preparation and their use as alkylating agents for organic bases
07/06/1982US4338457 Composition and process
07/06/1982US4338261 Sulfonation
07/06/1982CA1127160A1 Phenyl-alkanoic acid derivative and preparation thereof
06/1982
06/30/1982EP0055208A2 Carbacyclins, process for their preparation and their utilization as pharmaceutical preparations
06/30/1982EP0054936A1 Aroyl amino acids
06/30/1982EP0054924A2 Pharmaceutical compounds, their preparation and use
06/30/1982EP0054898A1 Formamidine derivatives, preparation and use thereof, pharmaceutical compositions containing them and their preparation
06/30/1982EP0054851A1 Process for recovering sulfuric acid from the reaction mixture issuing from the sulfoxidation of paraffins
06/30/1982EP0054724A1 Process for the simplified production of brightly coloured surface-active alpha-sulfofatty-acid esters
06/29/1982US4337333 Substituted polyisocyanate or polyisocyanate mixtures of the diphenyl methane series containing chlorosulfonyl groups
06/29/1982US4337215 Process for purifying 2-acrylamido-2-methylpropanesulfonic acid
06/29/1982US4337211 Intermediates for ion exchange resins
06/22/1982US4336148 Antistatic agents of vicinal diols
06/15/1982US4335246 For disperse dyes
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
06/08/1982US4334004 Light-sensitive diazotype material with 2-hydroxy-3-naphthoic acid amides having 6-sulfonic acid amide substitution
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
06/01/1982CA1124564A1 Black-and-white photographic elements containing a nondiffusible resorcinol coupler and silver halide developing agent
05/1982
05/26/1982EP0052319A1 Process for the preparation of fluorides of perfluorinate sulphonic acids
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
05/11/1982US4329478 Catalysts for the cure or polymerization of cationic sensitive monomers
05/05/1982EP0050762A1 Process for the preparation of vinylcyclopropane derivatives
05/05/1982EP0012759B1 Stabilized petroleum sulfonate products and their use in subterranean oil recovery
05/04/1982US4328169 Process for the preparation of vinylcyclopropane derivatives
04/1982
04/28/1982EP0050534A1 Esters of cyclopropane-carboxylic acids related to pyrethric acid, their preparation and use as insecticides
04/28/1982EP0050186A1 A method for the preparation of vinyl compounds
04/27/1982US4327031 Anti-solar cosmetic composition
04/27/1982CA1122603A1 Process for the preparation of arylacetic acid derivatives
04/27/1982CA1122464A1 Hardening photographic layers containing gelatin using a combination of slow acting and quick acting hardeners
04/13/1982US4324742 Selective separation of isomers by crystallization
04/13/1982US4324741 Perfluoroalkyl group-introducing agents
04/07/1982EP0049042A1 Acyclicacylaminoperfluoroalkanesulfonanilides and derivatives thereof
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