| 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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| 03/22/1977 | US4013719 Antilipemic, antiallergen |
| 03/22/1977 | US4013708 Arylchalcogeno-substituted aliphatic acids and esters |
| 03/22/1977 | US4013706 From a cyanamide; acid catalyst |
| 03/22/1977 | US4013621 Oxidation resistance |
| 03/15/1977 | US4012441 Sulphonic derivatives having the structure of polyoxapolyfluoroalkanes |
| 03/01/1977 | US4010193 Basic ester |
| 02/15/1977 | US4008271 Process for preparing a mixed anhydride of a sulfonic acid and a carboxylic acid |
| 02/01/1977 | US4006111 Production of alkane: olefin sulfonate mixtures by sequential sulfonation and sulfitation |
| 01/25/1977 | US4005138 Process for the manufacture of sulphonic acid fluorides |
| 01/18/1977 | US4003878 Method of preparing an alkali-metal salt of an alkoxysulfonated benzoic acid glycol ester |
| 01/04/1977 | US4001319 From trifluoroacetyl fluoride and sulfur trioxide |
| 01/04/1977 | US4001284 Primary amines, 2,4-diphenoxy-5-sulfamoylbenzoic acid |
| 12/28/1976 | US4000183 Antiallergens and hypolipidaemic agents |
| 12/28/1976 | US4000144 Hypolipidaemic agents and antiallergens |
| 12/28/1976 | US4000049 Method and device for preparing sulphonic acids derived from paraffinic hydrocarbons |
| 12/21/1976 | US3998972 Diphenyl derivatives |
| 12/21/1976 | US3998968 Benzenesulfonyl ureas and process for their manufacture |
| 12/14/1976 | US3997576 Method for preparation of α-sulfofatty acid ester |
| 12/14/1976 | US3997575 Bleaching method for sulfonic acid |
| 12/07/1976 | US3996278 Diuretic, saluretic, secretolytic |
| 12/07/1976 | US3996253 2-ureido-phenols as color couplers |
| 11/30/1976 | US3994966 Substituted ethylenedinitrilotetraacetic acids |
| 11/23/1976 | US3993692 Methane sulfonyl chloride and process of preparation |
| 11/23/1976 | US3993689 Sweeteners |
| 11/16/1976 | US3992440 Diuretics |
| 11/16/1976 | US3992432 Phase transfer catalysis of heterogeneous reactions by quaternary salts |
| 11/09/1976 | US3991106 16-Ethers of 8-aza-9-dioxothia-11,12-seco-prostaglandins |
| 11/02/1976 | US3989743 Process for the preparation of 4,4'-diaminostilbene-2,2'-disulphonic acid |
| 10/26/1976 | US3988218 Process for recovering alkyl sulfonic acid from photosulfoxidation reaction mixture |
| 10/19/1976 | US3987093 From carbon dioxide and a disulfosuccinate salt |
| 10/19/1976 | US3987092 Process for the preparation of a salt of optically active lysine |
| 10/12/1976 | US3985793 Crosslinking agents, adhesives, chain extenders; bisammoniooxyformamidates |
| 09/28/1976 | US3983100 From maleic anhydride and diamine |
| 09/07/1976 | US3979454 Alkali hydroxide as acid-binding agent |
| 09/07/1976 | US3979447 γ-Glutamyl-4-nitroanilide compounds |
| 08/31/1976 | US3978042 Process for preparing cyclocytidine derivatives |
| 08/17/1976 | US3975434 Processes of producing 2,5-disubstituted benzamides |
| 08/17/1976 | US3975430 From an alkali metal bisulfite and an olefin |
| 08/10/1976 | US3974210 Alkali metal hydroxides |
| 07/20/1976 | US3970604 Method for recovering vinyl sulfonate monomers |
| 07/13/1976 | US3969400 Alkali metal hydroxide |
| 07/13/1976 | US3969375 Multistage |
| 06/29/1976 | US3966814 Peripheral vasodilators, antihistamines, spasmolytics |
| 06/29/1976 | US3966805 Herbicides |
| 06/22/1976 | US3965159 Carboxydisulfosuccinates |
| 06/22/1976 | US3965158 Process for preparing halophenol sulfonic compounds and halophenols from halobenzene sulfonates |
| 06/08/1976 | US3962306 Sulfonyloxyphenylurea compounds and herbicidal compositions |
| 06/01/1976 | US3960918 Preparation of esters of amidoalkanesulfonic acids |
| 05/25/1976 | US3959369 Alkanolamine derivatives |
| 05/25/1976 | US3959261 Diuretics, saluretics |
| 05/18/1976 | US3957859 Process for the production of aromatic sulfonates |
| 05/11/1976 | US3956371 Method for the preparation of aliphatic and alicyclic sulphonic acids by catalytic sulphoxidation of hydro-carbons |
| 05/11/1976 | US3956354 Method for the preparation of sulfonic acid esters from free sulfonic acids |
| 05/04/1976 | US3954858 Novel sequestrant builders and method of making the same |
| 04/27/1976 | US3953513 Process for preparing α-aminoalcohols |
| 04/27/1976 | US3953338 Foam well cleanout using oligomeric sulfonic acids |
| 04/13/1976 | US3950524 Hypoglycemic benzenesulfonamido pyrimidines |
| 04/13/1976 | US3950401 Olefin sulfonates |
| 04/13/1976 | US3950376 Sulfamylbenzoic acid derivatives |
| 03/30/1976 | US3947512 Process for the manufacture of aromatic sulfonic acid halides |
| 03/23/1976 | US3946037 With sulfur trioxide |
| 03/16/1976 | US3944526 N-cyanosulfonamide resins and intermediates therefor and products thereof |
| 03/09/1976 | US3943174 Bisulfite reaction with olefins |
| 03/02/1976 | US3941810 Sulfonation of aromatic compounds in the presence of solvents |
| 02/24/1976 | US3940427 Blowing, crosslinking, adhesion, coupling |
| 02/10/1976 | US3937721 Method for the preparation of sulfonic acid esters from free sulfonic acids |
| 02/03/1976 | US3936496 Benzidine sulfonic acids, multistage from a nitrobenzene and an aniline |
| 01/27/1976 | US3935237 Method of sulfonation of aromatic hydrocarbons with minimized by-product formation |
| 01/27/1976 | US3935216 Preparation of toluoyl-5-pyrryl-2-acetonitrile |
| 01/20/1976 | US3933911 Beta-adrenergic stimulants |
| 01/20/1976 | US3933835 Antiallergens, hypolipidaemic |
| 01/06/1976 | US3931277 Sulfonylamino-sulfonyl, fungicide and anthelmintic intermediates |
| 01/06/1976 | US3931271 Process for the production of secondary alcohol ether sulfates |