Patents
Patents for C07C 309 - Sulfonic acids; Halides, esters, or anhydrides thereof (15,484)
06/1997
06/11/1997EP0777648A1 A process for preparing purified alkali metal salts of 4-sulfophenyl- (1-oxyalkanoyl)amino]alkanoate without isolation of intermediates
06/10/1997US5637763 Process for the preparation of substituted benzenes and benzene sulfonic acid and derivatives thereof and a process for the preparation of N,N'-substituted ureas
06/10/1997US5637755 Sulfonate compound process for producing the same, and bleach composition comprising the same
06/10/1997US5637738 Processes for preparing 1,2-epoxy-1,2,3,4-tetrahydronaphthalenes
06/10/1997US5637600 Phenylpyrrole derivatives and their use as dopamine D3 antagonists
06/10/1997US5637348 Method of increasing the SPF rating and compounds suitable for increasing the SPF rating of fibre or fabric
06/05/1997WO1997020000A2 Improved colorant stabilizers
06/05/1997WO1997019916A2 Bisazo compounds, intermediates thereof, process for synthesizing the same and therapeutic agent for viral infection containing the same
06/05/1997WO1997019915A1 Sulphosuccinates of polyhydroxy amides
06/05/1997DE19544422A1 Sulfonsuccinate von Polyhydroxyamiden Sulfonsuccinate of polyhydroxyamides
06/05/1997CA2210480A1 Improved colorant stabilizers
06/04/1997EP0686153B1 Chemical process for preparation of 1,2-epoxy-1,2,3,4-tetrahydrnaphtalene
06/03/1997US5635537 8-substituted-2-aminotetralins
05/1997
05/29/1997WO1997019056A1 Method of preparing 2-trifluoromethoxybenzene sulphonamide
05/29/1997WO1997019054A1 Azulenyl nitrone spin trapping agents, methods of making and using same
05/28/1997EP0682652B1 Process to improve alkyl ester sulfonate surfactant compositions
05/28/1997EP0660820B1 No-bleach process for making sulfonated fatty acid alkyl ester surfactant
05/28/1997EP0641330A4 Gaba and l-glutamic acid analogs for antiseizure treatment.
05/28/1997EP0468054B1 Benzenesulfonamide derivative
05/28/1997DE19647018A1 Non-caustic sprayable cement hardening accelerator
05/28/1997CN1150796A Process for preparation of aromatic or heteroaromatic sulfonyl halides
05/27/1997US5633111 Photoresist composition and article containing 1,2-quinonediazide and an organic phosphorous acid compound
05/24/1997CA2190801A1 Leukotriene antagonistic benzoic acid derivatives
05/22/1997WO1997018190A1 N-protected/n-substituted-beta-amino hydroxy sulfonates
05/22/1997DE19543323A1 Verfahren zur Herstellung von 2-Trifluormethoxy-benzolsulfonamid A process for the preparation of 2-trifluoromethoxy-benzenesulfonamide
05/22/1997CA2237936A1 N-protected/n-substituted-beta-amino hydroxy sulfonates
05/21/1997EP0774254A1 Pharmaceutical composition for preventing or treating dry eye or disease caused thereby comprising 12-sulfodehydroabietic acid
05/21/1997EP0773920A1 2-(2,4,6-trimethyl phenyl)cyclopentane-1,3-dione derivatives
05/21/1997CN1150418A Process for producing isomer mixtures from 0-phenoxyalkylhydroxyl amines or 0-phenoxyalkyloximes
05/21/1997CN1150020A Anti-viral compounds
05/20/1997US5631356 Selective N-acylation of amino alcohols
05/15/1997WO1997017342A1 A process of making 3-phenyl-1-methylenedioxyphenyl-indane-2-carboxylic acid derivatives
05/15/1997CA2236937A1 A process of making 3-phenyl-1-methylenedioxyphenyl-indane-2-carboxylic acid derivatives
05/15/1997CA2236926A1 A process of making 3-phenyl-1-methylenedioxyphenyl-indane-2-carboxylic acid derivatives
05/14/1997EP0772653A1 Reactive azo dyes with a coupler of the aminonaphthalene series
05/14/1997EP0772575A1 Preparation of halogenated compounds
05/13/1997US5629450 Reaction of n-acyl-aspartic or glutamic acid with a-phenylethylamine or a-phenylpropylamine, fractional crystallization of salt
05/09/1997WO1997016544A1 Water soluble cross-linking agents
05/09/1997WO1997016419A1 Methods of producing aminophenylsulphonyl carbamides and intermediate products for use in the process
05/09/1997WO1997016409A1 Process and device for the continuous preparation of n-acylaminocarboxylic acids and n-acylaminosulphonic acids and their alkali metal salts
05/09/1997WO1997016167A1 Cosmetic preparations
05/07/1997DE19644797A1 Oximsulfonsäureester und deren Verwendung als latente Sulfonsäuren Oximsulfonsäureester and the use thereof as latent sulfonic acids
05/07/1997DE19540830A1 Kosmetische Zubereitungen Cosmetic preparations
05/07/1997DE19540701A1 Verfahren zur Herstellung von Aminophenylsulfonylharnstoffen und Zwischenprodukte zu den Verfahren A process for preparing Aminophenylsulfonylharnstoffen and intermediates for the method
05/07/1997DE19540645A1 Verfahren und Vorrichtung zur kontinuierlichen Herstellung von N-Acylaminocarbonsäuren und N-Acylaminosulfonsäuren sowie deren Alkalimetallsalzen Method and apparatus for the continuous production of N-acylamino carboxylic acids and N-acylamino sulfonic acids and their alkali metal salts
05/07/1997DE19540544A1 Ethanol-2-Ý(4-aminophenyl)-sulphonyl¨ hydrogen sulphate compound preparation
05/06/1997US5627318 Mechanical force sensing semiconductor device
05/06/1997US5627174 Nematocides, insecticides and miticides
05/06/1997US5627011 High resolution i-line photoresist of high sensitivity
05/02/1997EP0770599A1 Process for the preparation of aromatic or heteroaromatic sulfonyl halides
05/02/1997EP0770596A1 Novel amine compound and detergent composition containing the same
05/02/1997EP0770593A1 Tris(3-aminopropyl)amine derivative and detergent composition containing the same
05/02/1997EP0770577A1 Fullerene derivatives as free-radical scavengers
05/02/1997EP0770053A1 Positive photoactive compounds based on 2,6-dinitrobenzyl groups
05/02/1997EP0769940A1 INDENE sPLA 2? INHIBITORS
05/01/1997CA2189110A1 Oximesulfonic acid esters and the use thereof as latent sulfonic acids
04/1997
04/30/1997CN1148847A Derivatives of aminosulfonic acids utilization of the same in the synthesis of pseudopeptides and process for their preparation
04/30/1997CN1148596A Noval crystal type anhydrous 7-([1 alpha, 5 alpha, 6 alpha]-6-amino-3-azabicyclo[3,1,0]hexyl-3-group)-6-fluorine-1-(2,4-difluorophenyl
04/30/1997CN1148590A Sulfuryl or sulfinyl benzoyl guanidine derivative
04/29/1997US5625066 Optically active hydroquinine (amino-3 phenyl)-1 ethanesulfonate, preparation and use thereof
04/29/1997US5625042 Diazo reactive dyestuffs, their preparations and use
04/29/1997US5624961 Benzylaminoethoxybenzene derivatives, production thereof and use thereof
04/24/1997WO1997014774A1 Overbased magnesium sulphonates
04/24/1997WO1997014676A1 Improved process for preparing linear alkylbenzene sulfonates
04/24/1997WO1997014667A1 Cyclopentane-1,3-dione derivatives
04/24/1997WO1997014653A2 Process and device for recovering purified ionic surfactants from washing solutions, in particular for washing contaminated soil
04/24/1997WO1997014306A1 Low molecular weight cell, bone marrow and immune stimulants
04/24/1997CA2235245A1 Low molecular weight cell, bone marrow and immune stimulants
04/24/1997CA2234719A1 Cyclopentane-1,3-dione derivatives
04/24/1997CA2232342A1 Overbased magnesium sulphonates
04/23/1997EP0769485A1 Positive resist composition and photosensitizers
04/23/1997EP0629187B1 Direct-dyeing colouring agents for natural and synthetic fibres
04/23/1997EP0626942B1 Bicyclo[2.2.2.]octane derivatives as cholestocystokinin inhibitors
04/23/1997CN1148377A Omega-hydrofluoroalkyle ethers, precursor carboxylic acid and derivatives thereof, and their prepn. and application
04/23/1997CN1148040A Recovery and treatment of mother solution of mono sodium 2-naphthylamine-5,7 disulfonic acid
04/22/1997US5623084 Fluoroalkenyl compounds and their use as pest repellents
04/17/1997DE19538218A1 Cyclopentan-1,3-dion-Derivate Cyclopentane-1,3-dione derivatives
04/16/1997EP0660827B1 Heterocyclic compounds with parasitical activity
04/16/1997CN1147504A Process for preparation of 2-fluorocyclopropylamine sulfonic acid salts and chemical compound 2-fluorocyclopropyl isocyanate
04/15/1997US5621144 Fluorinated compounds as oxygen transport agents
04/15/1997US5621139 Process for preparing alkoxylated alkyl glyceryl ether sulfonates
04/15/1997US5621097 Oxidation of organosulphur compounds
04/09/1997EP0541737B1 N-phenyl-cinnamamides providing protection from the harmful effects of ultraviolet light
04/08/1997US5618943 Skin disorders, antiinflammatory agents
04/08/1997US5618931 Acetylenes disubstituted with a 5 substituted dihydronaphthyl group and with an aryl or heteroaryl group having retinoid-like biological activity
04/08/1997US5618839 Retinoid-like compounds
04/03/1997WO1997011930A1 Aromatic compound acylation method
04/03/1997WO1997011693A1 Guanidino protease inhibitors
04/03/1997CA2233344A1 Guanidino protease inhibitors
04/02/1997EP0765930A2 Process for preparation of sulphonates
04/02/1997EP0765306A1 Alkyl sulfoacetate compositions and methods for preparing same
04/02/1997EP0765305A1 Anti-inflammatory compounds
04/02/1997EP0765302A1 Process for preparing isethionate ethoxylates
04/01/1997US5616782 Method of producing alkyl sulfoacetate compositions
04/01/1997US5616717 Process for the preparation of pure enantiomers of 1-(2-pyridyl)-2-cyclohexylethylamine
04/01/1997CA2055460C Alcohol-ester separation by reaction with acetate
04/01/1997CA2054773C Protected hydroxy method for alcohol-ester separation
03/1997
03/26/1997CN1145911A Sulfonation product of conjugated diene, polymer of sulfonation product and dispersion composition containing sulfonation product and/or the polymer
03/26/1997CN1145897A New aryl (alkyl) propylamides process for preparing them and pharmaceutical compositions containing them
03/25/1997US5614650 Zirconium compounds of sulfonic acids