| Patents for C07C 309 - Sulfonic acids; Halides, esters, or anhydrides thereof (15,484) |
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| 07/21/1981 | US4279786 Containing sorbic acid, gluconic acid, malic acid or salts of these acids |
| 07/21/1981 | CA1105469A1 Derivatives of m-diethylaminophenol useful as intermediates for dyes |
| 07/15/1981 | EP0032077A1 Process for preparing fluorobenzene-sulfonyl fluorides |
| 07/15/1981 | EP0031991A1 Method of preparing propane sulfonates |
| 07/14/1981 | US4278561 Monitoring shelf life of perishables, polymerization, color change |
| 07/14/1981 | CA1105049A1 Overbased sulphonates |
| 07/07/1981 | US4277492 Novel 4-bis((Phenylmethyl)amino)-benzenesulfonic acids possessing antiviral activity |
| 07/07/1981 | US4277417 Oil and fuel additives |
| 07/07/1981 | CA1104561A1 7-¬(sulfomethyl)phenyl| acetamidocephalosporin derivatives |
| 07/01/1981 | EP0031299A2 Process for the preparation of 2-amino-1-naphthalene sulfonic acid |
| 06/30/1981 | US4276187 Oxidation-reduction reagents for a wet desulfurization process and a process for preparing same |
| 06/24/1981 | EP0030871A1 Method of optical resolution of (+/-)-phenyl glycin and/or (+/-)-camphor sulfonic acid |
| 06/23/1981 | US4275226 Process for producing fluorovinyl ether |
| 06/23/1981 | US4275219 By acylation |
| 06/23/1981 | US4275199 Process for preparing mixed sulfonates of bis-(N-oxypyridyl-2-thio)aluminum |
| 06/23/1981 | US4275013 Novel process for the preparation of salts of alkanesulfonic acids |
| 06/23/1981 | US4274991 Plasticizers |
| 06/23/1981 | CA1103699A1 Alkylates and sulphonic acids and sulphonates produced therefrom |
| 06/23/1981 | CA1103698A1 Solutions of acrylamidoalkanesulfonic acid salts in organic liquids and method for their preparation |
| 06/10/1981 | EP0029990A1 Biphenylmethane derivative, methods for its production and pharmaceutical compositions containing it |
| 06/02/1981 | US4271189 Lithium derivatives of taurine having reinforced neuro-muscular activity |
| 05/27/1981 | EP0029161A1 Substituted polyisocyanates or polyisocyanate mixtures of the diphenylmethane series containing chlorosulfonyl groups, process for their production and their use in producing polyisocyanate-polyaddition compounds |
| 05/26/1981 | US4269790 Alpha-olefin-based homo- and copolymers modified by vinyl sulfonyl fluoride; intermediates for sulfonamides used as oil additives in lubricants |
| 05/26/1981 | US4269789 Petroleum sulfonation |
| 05/26/1981 | CA1101866A1 Herbicidally active substituted diphenyl ether derivatives, processes for their manufacture and herbicidal compositions containing them, and their use for selective weed control |
| 05/20/1981 | EP0028964A1 Process for the preparation of alkali-difluoromethane sulfonates |
| 05/20/1981 | EP0028730A1 Process for the preparation of 1,6-diaminonaphthalene-4,8-disulphonic acid |
| 05/19/1981 | US4268605 Stabilization of organic substrate materials including photographic dye images against the action of light |
| 05/19/1981 | CA1101436A1 Process for the preparation of polyhydric phenols |
| 05/12/1981 | US4267330 Condensation of a halo-, sulfoakloxy-, or opoxyaldehyde with a dialkyl 1,2,3,4,5,6-hexahydroazepino/4,5-b/indole-5,5-dicarboxylate; alkaloids |
| 05/12/1981 | US4267194 Calcium derivatives of taurine having reinforced neuro-muscular activity |
| 05/12/1981 | US4267123 Method of preparing propane sulfonates |
| 05/12/1981 | CA1100985A1 Haloaryl halobenzenesulfonate flame retardants |
| 05/12/1981 | CA1100966A1 Process for the preparation of sulphoalkyl quaternary salts |
| 05/06/1981 | EP0028063A1 Phenol derivatives, processes for their preparation and pharmaceutical compositions containing them |
| 05/06/1981 | EP0027953A1 Process for preparing N,O-disubstituted urethanes |
| 05/05/1981 | US4266077 Complement inhibitors |
| 05/05/1981 | US4265829 Halogenated-naphthalenetriyltris(sulfonylimino)-aryl disulfonic acids and salts thereof |
| 04/28/1981 | US4264511 For dyeing polyesters and as chemical intermediate for dyestuff |
| 04/14/1981 | US4261916 Sulph(on)ation process |
| 04/07/1981 | US4260816 Naphthyloxyalkylaminobenzoic acids, salts and esters thereof |
| 04/07/1981 | US4260590 Recovery of salts of anthraquinone disulfonic acid in the Stretford process |
| 04/07/1981 | US4260558 From hydroxy nitroso aromatic and hydrazine, noncatalytic reaction |
| 04/02/1981 | WO1981000849A1 Novel process and intermediates useful in the preparation of sympathomimetic amines |
| 04/01/1981 | EP0026154A1 Process for preparing 4,4'-dinitrostilbene-2,2'-disulfonic acid and its salts and its use |
| 03/31/1981 | US4259350 Iodopropargyl derivatives, their use and preparation |
| 03/31/1981 | US4259332 Antilipemic, choleretic, antiinflammatory, analgesic, antipyretic |
| 03/31/1981 | US4259255 Isocyanatoaryl sulfonates |
| 03/31/1981 | US4259193 Overbased sulphonates |
| 03/31/1981 | US4259191 Enhanced oil recovery |
| 03/31/1981 | CA1098536A1 No translation available |
| 03/24/1981 | US4257977 Sulfonation of the corresponding monosulfonate |
| 03/24/1981 | CA1098116A1 Cephalosporin derivatives |
| 03/18/1981 | EP0025328A1 Production of overbased calcium sulphonate, product thus obtained and lubricating oil containing it |
| 03/18/1981 | EP0025106A1 Process for producing isocyanate-aryl-sulphonic acids that may constitute, at least partially, the salts of mineral or organic bases |
| 03/17/1981 | CA1097843A1 Polysulfone resins |
| 03/10/1981 | US4255351 Sulfonic acid esters of 2,2,2-trichloroethylhydroxycyclobutanones |
| 03/10/1981 | CA1097369A1 No translation available |
| 03/03/1981 | US4254195 Stabilization of organic substrate materials including photographic dye images against the action of light |
| 03/03/1981 | US4254143 Monocarboxylates of phenylguanidinesulfonic acid esters, a process for their manufacture, compositions containing them and their use for combating helminths |
| 03/03/1981 | US4254054 By condensing a 4- or 6-chloro-3-nitro-benzene sulfonic acid and 1,4-phenylenediamine in a saturated aqueous sodium chloride solution |
| 03/03/1981 | US4254030 Fluorosulphonyl oxafluoroalkanes fluorosulphonyl olefines and processes for their preparation |
| 02/24/1981 | US4252542 A crosslinked aminomethylene sulfonic acid; fuel additive; jet fuels |
| 02/17/1981 | US4251664 In a water immiscible, liquid hydrocarbon solvent |
| 02/17/1981 | CA1095930A1 Process for the preparation of new derivatives of taurine having a reinforced neuro-muscular activity |
| 02/17/1981 | CA1095929A1 Process for making ether sulfonates |
| 02/17/1981 | CA1095735A1 Herbicidal compositions |
| 02/11/1981 | EP0023725A1 Diphenyl ether derivatives, process for preparing the same and herbicidal compositions containing the same |
| 02/11/1981 | EP0023584A1 Process for the preparation of trifluoromethyl naphthalenes |
| 02/10/1981 | US4250108 Process for preparing (2-oxo-3-bornylidene/methyl)-benzene sulfonic acids |
| 02/10/1981 | US4250050 Used in production of emulsion polymers |
| 02/03/1981 | US4249022 Process for the manufacture of 1,4-disubstituted bicyclic or tricyclic compounds and new 1,4-disubstituted bicyclic compounds |
| 02/03/1981 | US4248793 Process for the production of internal olefin sulfonate |
| 02/03/1981 | US4248773 Acetoacetamide diazo dyestuffs |
| 02/03/1981 | CA1095071A1 Thermostable flameproofing agent for copolyesters, process for making it, copolyester compositions prepared by using it, process for making said compositions and formed bodies made from said compositions |
| 02/03/1981 | CA1095063A1 Sulfoalkylated flavanone sweeteners |
| 01/21/1981 | EP0022538A2 Process for preparing naphthalenesulphochloride |
| 01/20/1981 | US4246414 2-Alkoxyalkoxy-5-nitrobenzenesulfonic acid and salt thereof |
| 01/20/1981 | US4246275 Antilipidemic para-[thienyl and furyl (alkyl or alkenyl)amino]-benzoic acid derivatives |
| 01/20/1981 | US4246188 Arylsulfonic acid bromophenyl esters, their preparation, and their use as flameproofing agents |
| 01/20/1981 | US4246180 Precipitation as the sulfate salt |
| 01/20/1981 | US4245994 For aftertreatment with an aromatic-aldehyde resin from reacting dihydroxy diphenyl sulfone, formaldehyde, and naphthalenesulfonic acid |
| 01/14/1981 | EP0022387A1 Process for the preparation of benzene derivatives by the reaction of an activated halobenzene with an organic compound containing an oxygen or sulphur anion |
| 01/13/1981 | US4245110 Polyalkylene oxide-containing urethane polyols with sulphonic acid groups |
| 01/13/1981 | US4244886 Fluorosulphonyl oxafluoroalkanes and their derivatives |
| 01/13/1981 | US4244885 Intermediates for preparation of cephalosporins and penicillins |
| 01/13/1981 | CA1093574A1 Aromatic alkylene oxy sulfonates |
| 01/13/1981 | CA1093570A1 Benzophenone hydrazones |
| 01/07/1981 | EP0022022A1 Acylated derivatives of taurine and their salts, and process for their preparation |
| 01/07/1981 | EP0021868A1 Process for the preparation of diaryl ethers |
| 01/07/1981 | EP0021519A2 Oxyimino-substituted cyclopropane compounds, process for their manufacture, pesticidal compositions and their use as and in the manufacture of pesticides |
| 01/07/1981 | EP0020859A1 Substituted N-allyl acetanilides, process for their preparation and their use as fungicides |
| 01/06/1981 | CA1093092A1 Process for making ether sulfonates |
| 12/30/1980 | US4242275 Process for the preparation of isomer-free toluene-4-sulfonic acid |
| 12/30/1980 | US4242187 Preparation of alkanes substituted by chlorine atoms and/or sulfochloride groups |
| 12/23/1980 | US4240978 Process for sulfonation of gas oils |
| 12/23/1980 | CA1092143A1 Method for production of unsymmetrical 1,3- disubstituted nitrosourea |
| 12/23/1980 | CA1092141A1 Substituted phenylguanidines and process for their manufacture |
| 12/16/1980 | US4239886 Salts of N-acylaminohydroxynaphthalenesulphonic acids |
| 12/16/1980 | US4239696 Process for the production of alkyl sulfonic acids |