Patents
Patents for C07C 309 - Sulfonic acids; Halides, esters, or anhydrides thereof (15,484)
02/1993
02/17/1993EP0527704A2 Dyestuffs, process for their preparation and the use thereof
02/17/1993CA2076204A1 Hiv protease inhibitors with n-terminal polyether substituents
02/16/1993US5187293 Glycerin derivatives
02/16/1993US5187292 Reacting with phosphite orphosphonate
02/16/1993US5187214 Quaternary ammonium antistatic polymer compositions
02/16/1993US5187104 Nitro or nitroso substituted polyhalogenated phenolsulfonephthaleins as protein indicators in biological samples
02/11/1993DE4125989A1 Sulfosuccinate Sulfosuccinate
02/10/1993EP0526976A1 Perfluoroalkyl halides and derivatives
02/10/1993EP0526543A1 Derivatives and analogues of 2-deoxy-2,3-didehydro-n-acetyl neuraminic acid and their use as antiviral agents
02/09/1993US5185463 Process for the preparation of an antiviral agent
02/04/1993WO1993002383A1 Nonlinear optical materials containing polar disulfone-functionalized molecules
02/04/1993CA2110377A1 Nonlinear optical materials containing polar disulfone-functionalized molecules
02/03/1993EP0526093A1 New non-steroidal agents as 5-alpha reductase inhibitors
02/03/1993EP0525626A1 Compounds containing acid-cleavable protective groups and positive-working radiation-sensitive compositions prepared using these compounds
02/03/1993EP0525516A2 Derivatives of beta substituted cinnomic acid
02/03/1993EP0525079A1 Chemical compositions and their use as fuel additives.
02/03/1993EP0524996A1 Process for manufacturing light-coloured washing alpha-sulpho-fatty-acid low-alkyl ester salts.
02/02/1993US5183926 Sulfonating a bisphenol, followed by reduction, acylation and oxidation to carboxyl groups; intermediates for polyesters, polyamides
02/02/1993US5183918 Reacting alkyl chloroformate with a alkali metal phenol sulfonate in alkaline medium whereby dialkycarbonate by-product as impurity sensitive to skin is reduced by acidification
02/02/1993US5183910 Process and intermediates for chiral epoxides
01/1993
01/30/1993CA2074539A1 Non-steroidal agents as 5-alpha reductase inhibitors
01/28/1993CA2075354A1 Beta-substituted cinnamic acid derivative
01/27/1993EP0524634A1 Process for the preparation of 1,2-naphtho-quinonediazido-5-sulfonyl chloride
01/26/1993US5182407 Solubilizing and/or dispersant compounds, preparation process and compositions containing them
01/26/1993US5182343 Dispersants, antiscaling agents, fiber treatment, plating bath additive, excavation-muddy water-viscosity-adjusting agent
01/26/1993US5182296 Naphthyloxazolidone derivatives
01/21/1993WO1993001523A1 Activated propenes as colour couplers and a method for their production
01/20/1993EP0524041A2 Pesticides
01/20/1993EP0523112A1 Branched ether surfactants and their use in an enhanced oil recovery process.
01/20/1993EP0523111A1 Branched ether surfactants and their use in an enhanced oil recovery process.
01/20/1993EP0523085A1 Peroxy acid bleach precursors and detergent compositions containing them.
01/20/1993EP0523067A1 Crop-selective herbicidal sulfonamides
01/19/1993US5180724 Platelet activating factor
01/13/1993EP0522716A2 Azo dyes with reactive triazine rings
01/13/1993EP0521852A1 Process for obtaining lower alkane sulphonic acids from their alkaline salts
01/12/1993US5179212 Process for the preparation of 3-pyrrolidinols and intermediates therefor
01/11/1993CA2071596A1 Perfluoroalkyl halides and derivatives
01/10/1993CA2072482A1 Compounds
01/07/1993EP0497898A4 Sulfonated polyaniline salt compositions, processes and uses
01/07/1993EP0374166B1 Amine salts of alkane-1,n-dicarboxylic acid mono-(2-sulfato-ethyl)amides
01/05/1993US5177256 Betaine compound and detergent composition
01/05/1993US5177255 Bis-stilbene compounds
01/05/1993CA1312336C Aromatic polycyclic derivatives, their preparation process and their use in human and veterinary medicine as well as in cosmetics
12/1992
12/30/1992EP0520808A1 Treatment of organic sulfonic acid
12/29/1992US5175333 Transesterification route to quaternary ammonium substituted carbonate esters
12/29/1992CA2072202A1 Treatment of organic sulfonic acid
12/26/1992CA2072054A1 Pesticides
12/24/1992DE4121002A1 New substd. phenyl-acetic acid ester(s) - useful as insecticides and acaricides
12/23/1992WO1992022524A1 Process for making alkyl naphthalene sulfonate surfactants
12/23/1992EP0519246A1 Process for the preparation of N,N'-bis-[7-(4-hydroxy-2-sulfo)naphthyl]-urea
12/23/1992CN1019572B Benzophenone derivatives
12/16/1992EP0518819A2 Amidino compounds, their manufacture and use as medicament
12/16/1992EP0518818A2 Arylethers, their manufacture and use as medicament
12/16/1992EP0518151A1 Process for the preparation of nitrophenyl-alkylethers
12/16/1992CN1067051A Process for preparing hydroxy alkyl sulfonic acid
12/16/1992CN1067050A Preparation of overbased magnesium sulphonates
12/15/1992US5171448 Solvent extraction with saturated aliphatic and cycloaliphatic liquid hydrocarbon from the mixture of water and sulfuric acid
12/12/1992CA2070796A1 Arylethers, their manufacture and methods of treatment
12/12/1992CA2070795A1 Amidino compounds, their manufacture and methods of treatment
12/10/1992WO1992021648A1 Amino acid derivative anticonvulsant
12/09/1992EP0517054A1 Nitro or nitroso substituted polyhalogenated phenolsulfonephthaleins as protein indicators in biological samples
12/09/1992EP0517050A2 Test-strip containing merocyanine and nitro or nitroso substituted polyhalogenated phenol-sulfonephthaleins as protein indicators
12/09/1992CN1019387B Process for prepn. of propanol derivatives
12/08/1992US5169983 Perfluorinated intermediates which are useful in the production of organic polymeric materials and ion-exchange membrane
12/08/1992US5169931 Nitrite-oxidized lignosulfonates and method of making the same and use of these as dispersants
12/07/1992CA2070040A1 Merocyanine and nitro or nitroso substituted polyhalogenated phenol-sulfonephthaleins as protein indicators in biological samples
12/07/1992CA2070039A1 Nitro or nitroso substituted polyhalogenated phenolsulfonephthaleins as protein indicators in biological samples
12/04/1992WO1992021652A1 Process for the preparation of a purified acrylamido sulfonic acid monomer derivative
12/04/1992CA2087715A1 Process for the preparation of a purified acrylamido sulfonic acid monomer derivative
12/02/1992EP0516102A1 Degradable chelants having sulfonate groups, uses and compositions thereof
12/02/1992EP0515684A1 Inhibitor of denatured ldl formation
12/01/1992CA2069999A1 Degradable chelants having sulfonate groups, uses and compositions thereof
12/01/1992CA1310975C Process for aryl-diazide sulfonic acids
12/01/1992CA1310974C Alkane and alkene derivatives and their preparation and use
11/1992
11/26/1992WO1992020749A1 Water-based recording ink
11/26/1992WO1992020694A1 Preparation of overbased magnesium sulphonates
11/26/1992CA2109842A1 Preparation of overbased magnesium sulphonates
11/25/1992EP0515062A1 Process for overbased calcium sulfonate
11/25/1992CN1066446A Synthesis of orthanilic acid
11/24/1992US5166173 Method of treating herpes simplex virus infection
11/24/1992CA2067842A1 Process for overbased calcium sulfonate
11/19/1992EP0514269A1 Imino-derivatives, process for their preparation and their use in human and veterinary medicine and in cosmetics
11/17/1992US5164502 Preparation of fluorohalophenols and N-acylfluorohaloanilines
11/17/1992US5164465 Sulfonated polyaniline salt compositions, processes for their preparation and uses thereof
11/17/1992CA1310327C Process for the preparation of hydroxyalkylation agents, new agents thus obtained and their use
11/16/1992CA2068696A1 Imine-derived aromatic compounds, process for their preparation and their use in human and veterinary medecine, and in cosmetics
11/12/1992WO1992019583A1 Novel aromatic and polycyclic compounds and their use in human or veterinary medecine and in cosmetics
11/12/1992WO1992019223A1 N-phenyl-cinnamamides providing protection from the harmful effects of ultraviolet light
11/12/1992WO1992019208A1 N-phenyl-benzamides providing protection from the harmful effects of ultraviolet light
11/12/1992CA2109425A1 Novel aromatic and polycyclic compounds and their use in human or veterinary medicine and in cosmetics
11/11/1992WO1992000749A1 Anti-herpes virus and cytomegalovirus oligomers
11/11/1992EP0512953A1 Process for the preparation of benzene sulfonamides
11/11/1992EP0512926A1 Self-doped conductive polyanilines and process for their preparation
11/11/1992EP0512715A2 Verfahren zur Herstellung einer in 3-Stellung fluorierten aromatischen Verbindung
11/11/1992EP0512352A2 Substituted carboxylic acid derivatives
11/11/1992EP0512020A1 Process for preparing homochiral amines and process for preparing intermediates for the preparation thereof
11/10/1992US5162590 Chemical intermediates, surfactants
11/10/1992US5162555 Process and apparatus for preparing a solution of a non-ferrous metal sulphonate
11/10/1992US5162511 Nitrosating and diazotizing reagents and reactions
11/10/1992CA2068076A1 Substituted carboxylic acid derivaties