| 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) |
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| 03/16/1983 | EP0074024A1 Process for the isolation of 2-naphthylamine-4,8-disulphonic acid |
| 03/15/1983 | US4376789 Surfactants which are polyhydric alcohol partial esters of adducts of maleic anhydride with an unsaturated carboxylic acid |
| 03/15/1983 | US4376737 Process for the production of naphthylaminehydroxysulphonic acids |
| 03/09/1983 | EP0073480A1 A method for the preparation of partially new 1,2-Dihaloalkyl and cycloalkyl sulfonyl isocyanates |
| 03/08/1983 | CA1142545A1 Benzamide derivatives |
| 03/02/1983 | EP0073000A2 Method of making arylhydrazine-N-sulphonic acids |
| 03/01/1983 | US4375479 Antiinflammatory agents |
| 03/01/1983 | US4375436 Continuous process for the production of chloroalkyl-sulfonyl isocyanates |
| 02/22/1983 | US4374840 Treatment of angina, hypertension and arrhythmia |
| 02/16/1983 | EP0072158A1 Quaternary ammonium compounds containing surfactant anions, polymers thereof, polymerisable compositions containing them, methods of making the monomers and polymers and articles containing polymer |
| 02/16/1983 | EP0071993A1 Alkyl-sulphonamido-alkyl-carboxylic-acid esters, process for their production and their use |
| 02/16/1983 | EP0071808A1 Process for preparing alpha-sulphonated, alpha, beta unsaturated carboxylic-acid alkyl esters as well as compounds obtained by it |
| 02/15/1983 | US4374067 N-tert-butylcarbonyl or-butoxycarbonyl derivatives of a-(a-substituted-a-phenylethyl)aniline |
| 02/09/1983 | EP0071412A1 Novel sulphosuccinates and detergent compositions containing them |
| 02/09/1983 | EP0071064A1 Process for preparing alpha-omega-bis-flurosulfato-perfluoroalkanes |
| 02/08/1983 | US4373106 Sulfamoyl-substituted phenethylamine derivatives and process of producing them |
| 02/08/1983 | CA1140924A1 Gas purification process |
| 01/26/1983 | EP0070802A2 N-phenylsulfonyl-N'-pyrimidinyl and ditto triazinyl ureas |
| 01/26/1983 | EP0070485A1 Process for preparing omega-fluorosulfato-perfluoroalcanoic-acid derivatives |
| 01/26/1983 | EP0070467A2 Process for synthesising N-isopropyl-N'-O-carbomethoxyphenylsulphamide |
| 01/18/1983 | US4369145 Preparation of fluorobenzenesulfonyl fluorides by exchange fluorination |
| 01/18/1983 | US4369143 Process for the preparation of naphthalene-1,3,5-trisulphonic acid |
| 01/11/1983 | CA1139078A1 Production of highly basic calcium sulphonates |
| 01/05/1983 | EP0069070A1 Colour photographic materials containing stabilizers |
| 01/05/1983 | EP0069068A1 Hydroquinones and their preparation |
| 01/05/1983 | EP0069066A1 Resorcinols and their preparation |
| 01/05/1983 | EP0068998A1 (Z)-1-aryl-2-aminomethyl-cyclopropane-carboxylates, their preparation and their use as medicines in the treatment of various disorders |
| 01/05/1983 | EP0068669A1 Secondary phenylethanol amines, processes for their preparation and their pharmaceutical application |
| 12/22/1982 | EP0067698A2 Optically active 1-aromatic-group-substituted-1-alkanones and methods for their manufacture |
| 12/15/1982 | EP0067124A1 Production of 5,5-disubstituted 3-oxo-pent-4-enoic acids, their halides, esters, thioesters and amides; and their use in antifungal and antibacterial compositions |
| 12/15/1982 | EP0066976A1 Arylsulphonyl urea derivatives; their use as herbicides; and herbicidal compositions containing them |
| 12/07/1982 | CA1137101A1 Oil soluble sulfonated polyols and a process for producing esters of unsaturated c.sub.4-c in10 xx dicarboxylic acid materials with said sulfonated polyols |
| 12/01/1982 | EP0065751A1 Anionic compounds based on modified novolak-oxyalkylates, their preparation and their use as foam-free surface-active agents |
| 12/01/1982 | EP0065732A1 Water soluble disazo compounds, process for their preparation and their use as dyestuffs |
| 12/01/1982 | EP0065661A2 Surface-active azo compounds and their use |
| 11/30/1982 | CA1136636A1 Process for producing optically active 2- (2',2'-dihalovinyl)-cyclopropane-1- carboxylic acids substituted in the 3-position, and derivatives thereof, as well as novel 4-(2',2', 2'-trihaloethyl)-cyclobutane-1-sulfonic acid salts |
| 11/24/1982 | EP0065136A2 Surface-active azo compounds and their use |
| 11/23/1982 | US4360460 Novel azo dyes having a 4-sulfo-5-aminomethyl naphthalene coupling moiety |
| 11/23/1982 | CA1136158A1 Phenoxyalkylcarboxylic acid derivatives |
| 11/17/1982 | EP0064953A1 Stilbene derivatives |
| 11/17/1982 | EP0064693A1 Process for the production of 1-benzoylamino-8-hydroxynaphthalene-4,6-disulphonic acid (benzoyl K-acid) |
| 11/17/1982 | EP0064667A1 Process for the preparation of sulfoalkyl quaternary salts |
| 11/17/1982 | EP0064651A1 Process for the isolation of H acid and K acid |
| 11/11/1982 | WO1982003866A1 Purified bis (3,5-dialkyl-4-hydroxyphenyl) sulfone and production of improved carbonate polymers therefrom |
| 11/10/1982 | EP0064445A1 N-substituted 2,4-dialkoxybenzene sulfon amides |
| 11/10/1982 | EP0064394A1 Manufacture of alpha-arylalkanoic acids and precursors |
| 11/09/1982 | US4358410 Precipitation m-sulfobenzoic acid alkali metal salt using alkali m |
| 11/03/1982 | EP0064006A1 Substituted 2,4-dialkoxybenzenesulfonyl chlorides |
| 11/03/1982 | EP0063873A1 Haloalkoxy-substituted diphenyl ethers; their use as herbicides and in herbicidal compositions and processes of making them |
| 11/03/1982 | EP0063767A1 2-Ketosulphon amides and process for their preparation |
| 11/02/1982 | CA1134823A1 Process for the preparation of oxybenzylidene bornanones and cosmetic composition thereof |
| 10/27/1982 | EP0063418A1 Indanyloxy- and tetralinyloxy-phenoxypropionic acid derivatives, processes for preparing them, and herbicidal processes and compositions utilising them |
| 10/27/1982 | EP0063276A2 Process for the preparation of disazo compounds |
| 10/27/1982 | EP0063271A1 Process for preparing aromatic amino-sulphonic acids |
| 10/27/1982 | EP0063270A1 Process for preparing p-sulfanilic acid |
| 10/27/1982 | EP0063269A1 Process for preparing amino-arylsulphonic acids |
| 10/19/1982 | US4355043 Novel derivatives of 3-aminopropanesulfonic acid having a reinforced activity on membrane |
| 10/13/1982 | EP0062136A1 Process for the preparation of anhydrous alkane sulfonic acids |
| 10/05/1982 | US4352751 Species-linked diamine triacetic acids and their chelates |
| 09/28/1982 | CA1132598A1 Phenylether compounds and a process for the preparation thereof |
| 09/14/1982 | US4349471 Process for the preparation of aromatic sulphonic acid halides |
| 09/14/1982 | CA1131659A1 Sulphonic acids and sulphonates |
| 09/14/1982 | CA1131650A1 Oxime derivatives of diphenyl ethers, processes for their production and their use in herbicidal compositions |
| 09/08/1982 | EP0059241A1 Process for preparing aromatic sulfonyl halogenides |
| 09/07/1982 | US4348525 Composition and a process for the preparation of [hydroxy(organosulfonyloxy)iodo]arenes and their use in a regiospecific synthesis of diaryliodonium salts |
| 09/07/1982 | US4348336 Process for the isolation of 1-naphthylamine-4,6- and 1-naphthylamine-4,7-disulphonic acid |
| 09/07/1982 | US4348334 Process for producing the magnesium salt of 3-nitro-naphthalene-1,5-disulfonic acid (nitro-Armstrong's acid) |
| 09/07/1982 | CA1131247A1 Sulfonation of alkylated aromatic hydrocarbons |
| 09/01/1982 | EP0058779A2 Carboxamides, their preparation and their use as medicines |
| 08/25/1982 | EP0058384A1 Anionic surface-active compounds based on oxalkylated naphthol novolacquers, and their use |
| 08/24/1982 | US4346111 Alkanolamine derivatives |
| 08/24/1982 | CA1130315A1 Paraphenylene diamines for use in oxidizing-type hair dyes |
| 08/18/1982 | EP0057925A1 Fluorine containing alkylsulfobetaines, process for their production and their use |
| 08/18/1982 | EP0057889A1 Process for preparing 1-alkyl-2-chloro-5-nitro-benzene-4-sulphonic acids |
| 08/18/1982 | EP0057861A2 Process for the preparation of nitroanilines |
| 08/17/1982 | US4344893 Substituted benzophenone hydrazones |
| 08/17/1982 | US4344889 Process for the continuous preparation of sulfonates derived from molecules having long alkyl chains and, more particularly, sulfonates derived from fatty esters |
| 08/17/1982 | CA1129625A1 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 |
| 08/10/1982 | US4343749 Chlorination of sulfonic acid with pyrocatechol-phosphorus trichloride, optional fluorination |
| 08/04/1982 | EP0056970A1 Anthranilic acids substituted by basic groups, process for their preparation and their use |
| 08/04/1982 | EP0056956A2 Indanyl derivatives their preparation and their use |
| 07/28/1982 | EP0056617A2 Cycloheptene derivatives, process and intermediates for their preparation, and pharmceuticals containing them |
| 07/28/1982 | EP0056589A1 N-substituted anilides, process for their preparation and their use as fungicides |
| 07/28/1982 | EP0056574A1 Naphthalenesulfonic acid compounds, their preparation and use as coupling components |
| 07/27/1982 | US4341773 2,4-Diamino-5-sulfamoylbenzene sulfonic acids and process for their manufacture |
| 07/27/1982 | US4341719 Process for the preparation of 1-amino-2-ethoxy-naphthalene-6-sulphonic acid |
| 07/21/1982 | EP0056161A2 Hydroximic acid esters, their preparation and their use as fungicides |
| 07/20/1982 | US4340750 Process for producing fluorovinyl ether |
| 07/13/1982 | US4339396 Process for the preparation of naphthalenesulphonyl chloride |
| 07/07/1982 | EP0055428A1 Bis-(3-sulfopropyl)ethers, process for their preparation and their use as alkylating agents for organic bases |
| 07/06/1982 | US4338261 Sulfonation |
| 06/30/1982 | EP0055208A2 Carbacyclins, process for their preparation and their utilization as pharmaceutical preparations |
| 06/30/1982 | EP0054936A1 Aroyl amino acids |
| 06/30/1982 | EP0054924A2 Pharmaceutical compounds, their preparation and use |
| 06/30/1982 | EP0054898A1 Formamidine derivatives, preparation and use thereof, pharmaceutical compositions containing them and their preparation |
| 06/30/1982 | EP0054851A1 Process for recovering sulfuric acid from the reaction mixture issuing from the sulfoxidation of paraffins |
| 06/30/1982 | EP0054724A1 Process for the simplified production of brightly coloured surface-active alpha-sulfofatty-acid esters |
| 06/29/1982 | US4337333 Substituted polyisocyanate or polyisocyanate mixtures of the diphenyl methane series containing chlorosulfonyl groups |
| 06/29/1982 | US4337215 Process for purifying 2-acrylamido-2-methylpropanesulfonic acid |
| 06/29/1982 | US4337211 Intermediates for ion exchange resins |