Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › C07C 309 - Sulfonic acids; Halides, esters, or anhydrides thereof
Patents for C07C 309 - Sulfonic acids; Halides, esters, or anhydrides thereof (15,484)
01/1992
01/22/1992EP0467185A2 Oligomers, their uses and formulations
01/21/1992US5082976 Oxidation of aminostyrenes
01/21/1992US5082941 Process for preparing the piperazine salt of 2,5-dihydroxybenzenesulphonic acid monotosylate
01/21/1992US5082932 Photosensitive
01/21/1992US5082832 Pesticides
01/15/1992EP0466483A1 Process for preparing perfluoroalkoxysulphonic compounds
01/15/1992EP0465802A1 Oxidant sensitive and insensitive aromatic esters as inhibitors of human neutrophil elastase
01/14/1992US5081275 Reaction with phosphorus pentachloride and an alkali metal fluoride
01/14/1992US5081245 Selective antitumor agents
01/14/1992US5081152 Azulene derivatives as thromboxane a2 and prostaglandin endoperoxide receptor antagonist
01/10/1992CA2046491A1 Oligomers, their uses and formulations
01/08/1992EP0464880A1 Bleaching composition
01/08/1992CN1057646A Hydrazinecarboxamide derivatives, process for production thereof, and uses thereof
01/07/1992US5079382 Chemical intermediates for carnitine and oxiracetam, hydroxy-sulfonate-ester
01/07/1992US5078907 Unsymmetrical dicarboxylic esters as bleach precursors
01/02/1992EP0463357A1 Derivatives of bisstilbene
01/02/1992DE4020837A1 Prepn. of ester sulphonate with low water content - by contacting aq. soln. or paste with hydrophilic water-miscible solvent and sepg. mixt.
01/02/1992DE4020349A1 Verfahren zur herstellung von enantiomerenreinen (alpha)-hydroxypropionaldehyd-derivaten A process for the preparation of enantiomerically pure (alpha) -hydroxypropionaldehyd derivatives
12/1991
12/31/1991US5077432 Monobactam hydrazides containing catechol sulfonic acid groups
12/31/1991US5077428 Pharmacologically active derivatives of p-guanidinobenzoic acid
12/31/1991US5077395 Substituted 1,2-naphthoquinone-2-diazide-4-sulfonic acids and processes for their preparation and use
12/31/1991US5077217 Using enzymes in aqueous solutions
12/31/1991US5076830 Indan-1,3-dione derivative and herbicidal composition containing the same as active ingredient
12/31/1991US5076828 Oxyalkylated quaternary ammonium compounds and plant growth regulating compositions containing said compounds
12/27/1991EP0462616A2 Conjugated diene compounds, process for producing these compounds and use thereof
12/27/1991EP0462531A2 Cyclic polypeptide with antibiotic activity, process for its preparation and pure culture of a Coelomycetes strain
12/27/1991EP0462456A1 Hydrazinecarboxamide derivatives, a process for production thereof, and uses thereof
12/27/1991EP0276297B1 A process for recovering and purifying unreacted acrylonitrile
12/25/1991CN1057260A Anti-viral compounds
12/24/1991WO1992000275A1 PROCESS FOR PRODUCING ENANTIOMER-PURE α-HYDROXYLPROPONIOALDEHYDE DERIVATIVES
12/24/1991US5075513 Fungicides
12/24/1991CA2065395A1 Process for producing enantiomer-pure .alpha.-hydroxylproponioaldehyde derivatives
12/21/1991CA2045079A1 Conjugated diene compounds
12/17/1991US5073184 Agricultural fungicides, insecticides, plant growth regulators
12/12/1991WO1991018874A1 PROCESS FOR PRODUCING LIGHT-COLOURED PASTES OF α-SULPHO FATTY ACID ALKYL ESTER ALKALI METAL SALTS
12/12/1991WO1991018873A1 PROCESS FOR PRODUCING HIGHLY CONCENTRATED PASTES OF α-SULPHO FATTY ACID ALKYL ESTER ALKALI METAL SALTS
12/12/1991WO1991018872A1 PROCESS FOR PRODUCING LIGHT-COLOURED PASTES OF α-SULPHO FATTY ACID ALKYL ESTER ALKALI METAL SALTS
12/12/1991WO1991018870A1 PROCESS FOR PRODUCING HIGHLY CONCENTRATED PASTES OF α-SULPHO FATTY ACID ALKYL ESTER ALKALI METAL SALTS
12/11/1991EP0460544A2 Process for the preparation of sulphonated anthranilic acids
12/11/1991CN1056873A Process for preparing light-colored alpha-sulfofatly acid alkyl ester alkali metal salt pastes
12/11/1991CN1056872A Process for producing highly concentrated pastes of alpha-sulfofatly acid alkyl ester alkali metal salts
12/11/1991CN1056871A Process for preparing light-colored pastes of alppha-sulfofatty acid alkyl ester alkali metal salt
12/11/1991CN1056870A Process for producing highly concentrated pastes of alpha-sulfofatty acid alkyl ester alkali metal salts
12/10/1991US5072042 Phenylhydrazones, the manufacture thereof and therapeutic and cosmetic compositions prepared therefrom
12/10/1991US5072034 Sulfonation of 4-alkoxy-2-hydroxybenzophenone with chlorosulfonic acid in aliphatic, cycloaliphatic and/or aromatic carboxylate solvent
12/10/1991US5072015 Carbonic acid fatty alcohol ester sulfonates, a process for their production and surface-active agents containing them
12/09/1991WO1991018869A1 Phenyl 4-guanidinobenzoate derivative, process for producing the same, and protease inhibitor containing the same
12/09/1991CA2064462A1 4-guanidinobenzoic acid phenyl ester derivatives, process for production thereof, and proteolytic enzyme inhibitors containing the same
12/08/1991WO1991018890A1 Bicyclic chiral compounds
12/08/1991CA2064217A1 Bicyclic chiral compounds
12/04/1991EP0459258A2 Process for the preparation of olefinic and acetylenic compounds
12/04/1991EP0458886A1 Agents for diagnosing and treating melanomas, aromatic halogenated derivatives usable as such agents and their preparation.
12/04/1991CN1056680A Oxidant sensitive and insensitive aromatic esters as inhibitors of human neutrophil elastase
12/03/1991US5069828 Esterification of hydroxybenzenesulfonate with acid chloride i n presence of phase transfer agent
12/01/1991CA2043210A1 Bleaching composition
11/1991
11/27/1991EP0458634A2 Reactive modifier
11/27/1991EP0458099A2 Process for the preparation of salts of sulfosuccinic acid dialkylesters
11/27/1991CN1056446A Alkylated diaryl oxide monosulfonate collectors useful in flotation of minerals
11/26/1991US5068433 Antidepressants
11/26/1991US5068272 Salt with 4-(3-(ethyl-(3-(propylsulfinyl)propyl)amino)-2-hydroxypropoxy)benzonitrile
11/23/1991CA2042904A1 Oxidant sensitive and insensitive aromatic esters as inhibitors or human neutrophil elastase
11/22/1991WO1991017987A1 Phenol and pyridinol derivatives as pharmaceuticals
11/22/1991CA2081982A1 Phenol and pyridinol derivatives as pharmaceuticals
11/21/1991EP0457723A2 Method for the stabilization of magenta couplers and the resulting dye-images in photographic materials
11/21/1991EP0457687A1 Screening cosmetic emulsion containing an UV-A screen and an UV-B screen
11/19/1991US5066801 Preparation of sulfonic acid esters
11/19/1991US5066722 Heat-latent curing catalyst and resin compositions containing the same
11/19/1991US5066675 Alkynyl substituent, agricultural use
11/19/1991US5066657 Crotonic acid amide derivatives and insectides containing the same
11/19/1991CA1292236C Process for preparing n-alkylated amino acids and esters thereof
11/17/1991CA2042568A1 Process for stabilizing magenta couplers and the corresponding image dyes in photographic materials
11/13/1991EP0456073A2 Multifunctional compounds having alpha-diazo-beta-ketoester units and sulfonic acid ester units and process for their preparation.
11/13/1991EP0455826A1 Substituted open-chain terpene compound
11/13/1991CN1056099A Chemical compositions and their use as fuel additives
11/12/1991US5064641 Polyvalent metal salts of sulphonted derivatives of benzylidenecamphor and their use for protecting the skin against ultraviolet radiation
11/12/1991CA1292084C Radiolabeled technetium chelates for use in renal function determinations
11/12/1991CA1292013C Process for the preparation of acyloxybenzenesulfonic acids and their salts
11/12/1991CA1292008C Polyhydroxyl compounds containing a sulfonic acid ester group
11/12/1991CA1292002C Propanol derivatives
11/06/1991EP0455473A1 Process and intermediates for chiral epoxides
11/06/1991EP0455247A2 m-Phenylenediamine compound and electrophotosensitive material using said compound
11/05/1991US5063165 Geminal diphenyl derivatives and their use in immunoassays
11/05/1991US5062997 Of unsaturated fatty acids or esters
11/04/1991CA2041368A1 Process and intermediates for chiral epoxides
10/1991
10/31/1991WO1991016300A1 Process for manufacturing light-coloured washing alpha-sulpho-fatty-acid low-alkyl ester salts
10/31/1991WO1991016299A1 Fungicidal oxime carbamates
10/31/1991WO1991016297A1 Chemical compositions and their use as fuel additives
10/31/1991CA2080337A1 Chemical compositions and their use as fuel additives
10/30/1991EP0453676A1 Alkylated diaryl oxide monosulfonate collectors useful in the flotation of minerals
10/30/1991EP0453507A1 Chelating agent derivatives
10/30/1991CN1055734A Process for preparing lower alkyl ester-salt of a-aliphatic sulfonic acid with light colour detergent active
10/29/1991CA1291488C Modified fluorocarbonylimino biurets
10/25/1991WO1991016320A1 Derivatives and analogues of 2-deoxy-2,3-didehydro-n-acetyl neuraminic acid and their use as antiviral agents
10/23/1991EP0452345A1 Process for impregnating anodized aluminium surfaces
10/22/1991US5059711 Oxidizing bis(trifluoromethyl) disulfide in liquid phase
10/22/1991US5059344 Bleaching composition
10/22/1991CA1291161C Preparation of anhydrous alkanesulfonic acid
10/19/1991CA2014878A1 Alkylated diaryl oxide monosulfonate collectors useful in the flotation of minerals
10/17/1991WO1991015474A1 Peroxy acid bleach precursors and detergent compositions containing them
10/17/1991WO1991015469A1 Alcohol-ester separation by reaction with bicarbonate in polyhydroxy solvent
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