Patents
Patents for C07C 309 - Sulfonic acids; Halides, esters, or anhydrides thereof (15,484)
12/1980
12/09/1980US4238410 Process for producing magnesium salt of olefin sulfonic acid
12/09/1980US4238408 Compounds and process
12/09/1980CA1091251A1 CONTINUOUS PROCESS FOR BLEACHING ACID .alpha.-SULFO-FATTY ACID ESTERS
12/09/1980CA1091245A1 4-hydroxyphenylalkanolamine derivatives and preparation thereof
12/02/1980US4237123 Oxyimino-substituted cyclopropanecarboxylate pesticides
11/1980
11/26/1980EP0019357A1 Copper chelates of 2-hydroxybenzophenones, methods of stabilizing polymer compositions therewith and stabilized polymer compositions
11/26/1980EP0019078A2 Distyrylebenzenes,process for their preparation and their use for the optical brightening of organic materials,as well as detergent compositions, textile treating compositions and products for the after-treatment of laundry containing such distyrylbenzenes
11/25/1980US4236002 Antibiotics
11/25/1980US4235826 Perfumes
11/25/1980US4235803 1,6-Dimesyl-3,4-dimethyl-D-mannitol and a process for the preparation thereof
11/25/1980CA1090370A1 Process for the preparation of acyloxy-n,n'- diacylmalonamides
11/25/1980CA1090340A1 2-aminomethyl-4,6-dihalogenphenol derivatives and methods for the preparation thereof
11/12/1980EP0018541A1 Process for the preparation of 4-nitrotoluene-2-sulfonic acid
11/12/1980EP0018540A1 Esters of isocamphyl-guaiacum, process of their preparation and their use in the preparation of (isocamphyl-5-)-3 cyclohexanol
11/11/1980US4233237 Chemical intermediate of a dye releasing compound
11/11/1980US4233236 Neutralization, adding a hydrocarbon solvent to form an azeotropic mixture, distillation
11/11/1980US4233229 Reacting acid chloride, taurine salt, alkali metal hydroxide; precipitating alkali metal chloride
11/11/1980CA1089486A1 Sulfonating method and apparatus
11/11/1980CA1089485A1 .omega.-AMINOCARBOXYLIC ACID AMIDES AND A PROCESS FOR THE PREPARATION THEREOF
11/04/1980US4231958 Aminophenylenecarbonyl /and sulfonyl/iminonaphthalene intermediates
11/04/1980US4231957 Phosphonium compounds, a process for their preparation and a process for the preparation of asymmetrically substituted stilbene fluorescent brightening agents
10/1980
10/29/1980EP0017850A1 N,N-disubstituted ethylglycine esters, their preparation and use, fungicides containing them and their preparation
10/29/1980EP0017690A1 Oil-soluble sulfonated polyols and sulfonated polyolesters and their preparation
10/21/1980US4229584 Ureylenebis(anionic substituted phenylene carbonyl)imino naphthalene sulfonic acids and naphthalene carboxylic acids and their salts
10/21/1980US4229372 Ureylene phenylene anionic naphthalenesulfonic acids
10/21/1980US4229371 Ureylene naphthalene sulfonic acid intermediates
10/21/1980US4229370 Ureylene phenylene anionic naphthalenesulfonic acids
10/21/1980US4229363 Intermediates for cephalosporin and penicillin derivatives
10/14/1980US4228086 N-Substituted alkyl-N-nitrosocarbamoyl azides
10/14/1980US4228066 Stabilized polymer compositions
10/14/1980CA1087630A1 Sulfonated product of butadiene or isoprene oligomer and the production therefor
10/14/1980CA1087623A1 Chelating agents and chelates
10/07/1980US4227007 Diurethanes
10/07/1980US4226807 Process for making ether sulfonates
10/07/1980US4226806 Chemical intermediates
10/07/1980US4226805 Sulfonation of oils
10/07/1980US4226796 Sulph(on)ation process
10/01/1980EP0016357A1 Process for preparing alkaline earth metal salts of alkylbenzenesulfonic acids
09/1980
09/30/1980US4225532 Stabilized preparations of aromatic isocyanatosulphonic acids
09/30/1980CA1086769A1 Fluorosulphonyl oxafluoroalkanes, their derivatives, fluorosulphonyl olefines, their copolymers and processes for their preparation
09/23/1980US4224455 Sulfonated alkoxylated alkyl arylol maleate reactive surfactants
09/23/1980US4224418 Compounds containing hydroxyl groups and urethano-aryl-sulfonic acid groups
09/23/1980US4224240 Preparation of para-menth-1-ene-7-sulfonate salts and corresponding acids
09/23/1980US4224224 Psychotherapeutic agents to treat the central nervous system
09/17/1980EP0015831A1 Process for the preparation of at least partially sulfonated naphthalene, and use of this product in the purification of naphthalene
09/16/1980US4222957 Contacting with ethylene or propylene oxide
09/16/1980US4222767 Certain herbicidal sulfonates and sulfamates
09/09/1980US4221895 Polyester, polysulfonate, or polysulfinate
09/09/1980US4221734 Process for the preparation of derivatives of fluoroalkane-carboxylic and perfluoroalkane-sulfinic acids
09/03/1980EP0014950A1 Method of recovering anthraquinone disulphonic acid salts from a scrubbing liquor
09/03/1980EP0014843A2 Process and compounds for modifying macromolecular surfaces
09/03/1980EP0014801A1 A process for the production of basic magnesium sulphonates
09/02/1980US4220795 Cyclobutyl substituted derivatives of prostaglandin analogs
08/1980
08/26/1980US4219498 Process for preparing highly pure-2-acrylamido-2-methylpropanesulfonic acid
08/26/1980US4219495 Methoxymethyl p-toluenesulfonate
08/26/1980US4219493 Substituted O-alkylsulfonylglycolic acid anilides
08/26/1980CA1084524A1 Process for the functionalization of perfluorated radicals
08/20/1980EP0014680A1 Process for the preparation of the magnesium salt of 3-nitronaphthalene-1,5-disulphonic acid
08/20/1980EP0014470A2 Benzazepine derivatives, process and intermediates for their preparation, their use and pharmaceutical compositions containing them
08/20/1980EP0014454A2 Process and intermediates for the preparation of 2-benzazepine derivatives
08/20/1980EP0014366A1 Process for the preparation of the magnesium salt of 2-nitronaphthalene-4,8-disulphonic acid
08/20/1980EP0014263A2 Method of improving the solubility of biologically active agents in water and in lower aliphatic alcohols, and compounds having an improved solubility
08/19/1980US4218395 Complement inhibitor intermediates
08/19/1980US4218377 Metal salt/amine complexes
08/19/1980CA1084061A1 Divinyl stilbenes as optical brighteners
08/12/1980US4217304 Continuous reduction process
08/12/1980US4217289 Process for purification of the alkali metal salt of sulfonated unsaturated aliphatic carboxylic acid
08/12/1980CA1083573A1 N-substituted 2-methoxybenzenesulphonamides, process for preparing them and medicaments containing them
08/06/1980EP0014177A1 Bis-styrylbenzenesulfonic acid compound, process for its preparation and its use for optical bleaching of organic fibrous materials
08/06/1980EP0013808A1 A process for the production of basic magnesium sulphonates and the products obtained by this process
08/06/1980EP0013807A1 A process for the production of basic magnesium sulphonates
08/06/1980EP0013784A1 C-Substituted naphthalenemonosulfonic ureides, process for their preparation and pharmaceutical compositions containing them
08/05/1980US4216191 Method of preparing inorganic-alkali metal salts
08/05/1980US4216166 Nitro precursors to amine precursors to ureide inhibitors of connective tissue destruction
08/05/1980US4216165 Amine precursors to ureide inhibitors of connective tissue destruction
08/05/1980US4216164 Ureide inhibitors of connective tissue destruction
07/1980
07/29/1980US4215071 From the sulfonic acids and phosgene, tert-amide catalyst, sulfonation agent
07/29/1980CA1082733A1 Process for the preparation of derivatives of perfluoroalkane-carboxylic acids and of perfluoroalkane-sulfinic acids
07/29/1980CA1082676A1 Preparation of neutral to slightly overbased calcium synthetic sulfonate compositions
07/23/1980EP0013558A1 Process for the preparation of naphthalene-1,3,5-trisulphonic acid
07/23/1980EP0013395A1 Process for the preparation of 3-nitronaphthalene-1,5-disulfonic acid
07/22/1980US4214102 Amino-ether amphoteric surface-active compounds
07/22/1980US4213918 Process for producing clear aqueous solution of olefin sulfonic acid
07/22/1980US4213910 Process for the preparation of 1-amino-4-bromoanthraquinone-2-sulphonic acid I
07/22/1980US4213909 Process for the preparation of 1-amino-4-bromoanthraquinone-2-sulfonic acid II
07/22/1980CA1082220A1 Corrosion inhibitors
07/15/1980US4212819 Process for the preparation of benzoyl halide and halosulfonylbenzoyl halide
07/15/1980US4212544 Orifice plate mixer and method of use
07/09/1980EP0012980A1 Process for the preparation of 2,5-dialkoxy-aniline-4-sulfonic acids
07/09/1980EP0012930A1 Process for the preparation of isocyanatoarylsulfonil chlorides
07/09/1980EP0012759A1 Stabilized petroleum sulfonate products and their use in subterranean oil recovery.
07/01/1980US4210759 Stripping metal values from hydrocarbon solvents
07/01/1980CA1080745A1 Sulphonic acids and sulphonates
06/1980
06/25/1980EP0012722A1 Process for the preparation of optically active 3-substituted 2-(2',2'-dihalovinyl)-cyclopropane-1-carboxylic acids and their derivatives; 4-(2',2',2'-trihaloethyl)-cyclobutane-1-sulphonic acid salts and their preparation
06/25/1980EP0012260A1 Sulphurisation compounds of naphthalene, process for their preparation and their use
06/25/1980EP0012215A1 2-Hydroxybutanesulfonic acid choline and its use as conducting salt
06/24/1980US4209459 Novel L-leucyl-4-hydroxyanilide derivatives
06/17/1980US4208345 2-Hydroxy-n-propylamine derivatives useful as surface active agents
06/17/1980CA1079746A1 Nitroaryloxyalkanecarboxylic acid derivatives and their use as herbicides
06/10/1980US4207254 Precipitated at a constant ph from an aqueous salt solution