| Patents for C07C 309 - Sulfonic acids; Halides, esters, or anhydrides thereof (15,484) | 
|---|
| 08/17/1982 | US4345016 Homo- or copolymers of unsaturated sulfonyl hydroqinones as scavengers for oxidized developers; antifogging agents | 
| 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 | CA1129877A1 Stabilized organic compositions | 
| 08/17/1982 | CA1129859A1 N-aryle oxazolidinones, oxazolidinethiones and pyrrolidinones, their process of preparation and their application in therapeutics | 
| 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 | 
| 08/11/1982 | EP0057507A1 Difluoromethanesulphonic acid | 
| 08/10/1982 | US4343749 Chlorination of sulfonic acid with pyrocatechol-phosphorus trichloride, optional fluorination | 
| 08/03/1982 | US4342700 Oxidation-reduction reagents for a wet desulfurization process and a process for preparing same | 
| 08/03/1982 | CA1128937A1 Intermediates in the production of 2-benzazepines | 
| 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 | 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 | 
| 07/21/1982 | EP0056119A1 Substituted diphenyl ethers, herbicides containing them and their use as herbicides | 
| 07/21/1982 | EP0056092A1 Light sensitive composition based on o-naphtoquinone diazides and light sensitive copying material produced therefrom | 
| 07/20/1982 | US4340750 Process for producing fluorovinyl ether | 
| 07/13/1982 | US4339576 Anti-asthmatic, anti-allergic, anti-cholinergic, bronchodilator and anti-inflammatory 1-[(benzoylphenyl)-lower-alkyl]piperidines and analogs thereof | 
| 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 | 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 | 
| 06/23/1982 | EP0054142A1 Process for preparing vinyl sulphonates | 
| 06/22/1982 | US4336268 Cyclohexene derivative analgesics | 
| 06/22/1982 | US4336148 Antistatic agents of vicinal diols | 
| 06/15/1982 | US4335246 For disperse dyes | 
| 06/15/1982 | US4335057 4-(2',2,2'-Trihalogenoethyl)-cyclobutane-1-sulfonic acid salts with optically active bases | 
| 06/09/1982 | EP0053314A1 Process for the chloro-sulphonation of biphenyl and diphenyl ether | 
| 06/08/1982 | CA1125309A1 Process for preparing benzene derivatives by reaction of an activated halobenzene with an oxygen- or sulfur-containing anionic organic reagent | 
| 06/01/1982 | US4332830 Sweetening with stevioside analogs | 
| 06/01/1982 | CA1124741A1 Process for preparing diaryl ethers | 
| 06/01/1982 | CA1124564A1 Black-and-white photographic elements containing a nondiffusible resorcinol coupler and silver halide developing agent | 
| 05/26/1982 | EP0052599A2 Propargyl derivatives and their preparation | 
| 05/26/1982 | EP0052319A1 Process for the preparation of fluorides of perfluorinate sulphonic acids | 
| 05/26/1982 | EP0052311A1 1-((Benzoylphenyl) - lower-alkyl) piperidines and carbinol analogs and preparation thereof | 
| 05/26/1982 | EP0052307A1 Process for preparing 1-aminonaphthalene-4,6-disulphonic acid and 1-aminonaphthalene 2,4,6-trisulphonic acid | 
| 05/26/1982 | EP0052294A1 Process for the preparation of an anhydrous and an aqueous 3-chloro-2-sulfopropionic acid reagent and isolation of the acid | 
| 05/25/1982 | US4331613 Process for the preparation of trifluoromethylnaphthalenes | 
| 05/25/1982 | CA1124259A1 Petroleum sulfonates | 
| 05/19/1982 | EP0051783A1 Process for preparing 1,4-diamino-anthraquinone-2-sulphonic acid | 
| 05/18/1982 | US4330556 Microbicidal N-1'-hydrocarbyloxycarbonylethyl)-N-alkoxyacetylanilines | 
| 05/18/1982 | US4330488 Reacting anhydrous camphorsulfonic acid with sodium methylate then aromatic aldehyde | 
| 05/18/1982 | US4330294 Anthraquinone compounds and process for dyeing therewith | 
| 05/18/1982 | CA1123848A1 Distyrylbenzenes | 
| 05/11/1982 | US4329478 Catalysts for the cure or polymerization of cationic sensitive monomers | 
| 05/11/1982 | US4329435 Novel fluorinated copolymer with tridihydro fluorosulfonyl fluoride pendant groups and preparation thereof | 
| 05/11/1982 | US4329434 Novel fluorinated cation exchange membrane and process for producing the same | 
| 05/05/1982 | EP0050762A1 Process for the preparation of vinylcyclopropane derivatives | 
| 05/05/1982 | EP0012759B1 Stabilized petroleum sulfonate products and their use in subterranean oil recovery | 
| 05/04/1982 | US4328244 Novel (((substituted-phenyl)methyl)amino)benzenesulfonic acids and pharmaceutically-acceptable salts thereof | 
| 05/04/1982 | US4328169 Process for the preparation of vinylcyclopropane derivatives | 
| 04/29/1982 | WO1982001367A1 Novel guanidine derivatives | 
| 04/28/1982 | EP0050534A1 Esters of cyclopropane-carboxylic acids related to pyrethric acid, their preparation and use as insecticides | 
| 04/28/1982 | EP0050286A2 Guanidine derivatives and pharmaceutical compositions containing them | 
| 04/28/1982 | EP0050186A1 A method for the preparation of vinyl compounds | 
| 04/27/1982 | US4327036 Chlorination process | 
| 04/27/1982 | US4327031 Anti-solar cosmetic composition | 
| 04/27/1982 | CA1122603A1 Process for the preparation of arylacetic acid derivatives | 
| 04/20/1982 | US4325887 Isocyanatoaryl sulfonic acid esters | 
| 04/20/1982 | CA1122222A1 Novel 1,2,4-triazolidine-3,5-dione derivatives | 
| 04/13/1982 | US4324742 Selective separation of isomers by crystallization | 
| 04/13/1982 | US4324741 Perfluoroalkyl group-introducing agents | 
| 04/06/1982 | US4323549 Anti-solar cosmetic composition | 
| 03/30/1982 | US4322557 1-Aryloxy-2-(S)-hydroxy-3-(triarylphosphonio)-propane derivatives as prostaglandin intermediates | 
| 03/30/1982 | US4322494 Sensitizers for silver halide emulsions; zwitterions | 
| 03/30/1982 | US4322372 Condensation products containing sulphonic acid groups | 
| 03/30/1982 | CA1120952A1 Process for the manufacture of overbased magnesium sulfonates | 
| 03/30/1982 | CA1120944A1 Isocyanatoaryl sulphochlorides, a process for their preparation and their use in the preparation of polyisocyanate polyaddition products | 
| 03/30/1982 | CA1120942A1 .sup.m-anilide-urethanes | 
| 03/30/1982 | CA1120744A1 .beta.-NAPHTHYL AND .beta.-TETRAHYDRONAPHTHYL-PHENYL EHTERS | 
| 03/24/1982 | EP0048136A2 Process for preparing alpha-aromatic group substituted alkanoic acids or esters thereof | 
| 03/24/1982 | EP0047946A1 Process for the production of monohydro-perfluoroalkane-sulphonic-acid halogenides and some particular representatives of this family | 
| 03/24/1982 | EP0047945A2 Process for the production of perfluorocarbonyl-sulphonic-acid fluorides and the fluorosulphatoperfluoroalkane-sulphonic-acid halogenides resulting therefrom as intermediates | 
| 03/24/1982 | EP0047882A2 Dispersing compositions containing formaldehyde condensates | 
| 03/24/1982 | EP0047877A2 Biphenyl compounds and process for their preparation | 
| 03/23/1982 | US4321216 Carboxylic acid solvent, solvent extraction | 
| 03/23/1982 | US4321215 Process for extraction and neutralization of hydrocarbon sulfonic acids | 
| 03/23/1982 | US4321214 Extreme purification of sulfonic-type acids for processing to highly overbased metal sulfonates | 
| 03/17/1982 | EP0047450A1 Process for the production of naphthalene-2-sulphonic acid and naphthalene-2,6-and-2,7-disulphonic acids | 
| 03/16/1982 | CA1120054A1 Extraction process | 
| 03/10/1982 | EP0047126A2 Improved calcium sulphonate process | 
| 03/10/1982 | EP0046970A2 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 | 
| 03/10/1982 | EP0046931A2 N-oxiamide, preparation thereof and use thereof as fungicide | 
| 03/09/1982 | US4318823 Containing 4-hydroxyalkane sulfonates | 
| 03/02/1982 | US4317920 Antirheumatic agents, antiinflammatory agents | 
| 02/23/1982 | US4316862 By reacting an aromatic compound with chlorosulfonic acid and thionyl chloride | 
| 02/23/1982 | US4316860 Fluorescent brighteners | 
| 02/17/1982 | EP0046083A2 Photolabile blocked surfactants and compositions containing the same | 
| 02/17/1982 | EP0046028A2 Imaging process and article employing photolabile, blocked surfactant | 
| 02/17/1982 | EP0046005A2 Preparation of improved phenylalkylsulfonates | 
| 02/10/1982 | EP0045431A1 Process for the side-chain bromination of toluenes and mixtures of toluenes diversly highly brominated in the side chain | 
| 02/09/1982 | US4314950 Sulfonation; phosgenation | 
| 02/09/1982 | US4314820 Distyrylbenzene fluorescent brightening agents | 
| 01/26/1982 | US4312631 Surface-active compounds based on natural rosin acids | 
| 01/26/1982 | CA1117122A1 Herbicidal compositions |