Patents
Patents for C07C 309 - Sulfonic acids; Halides, esters, or anhydrides thereof (15,484)
03/1999
03/03/1999EP0898554A1 Process for the manufacture of surfactants containing branch chain alkyl groups
03/03/1999CN1042328C Substituted cyclohexane derivative and medicine containing same
02/1999
02/25/1999WO1999009004A2 Process for preparing and/or purifying amido acid phenyl ester sulfonates
02/25/1999WO1998032017A3 Modulators of insulin receptor activity
02/25/1999DE19837620A1 New diphenylmethyl-substituted hydrazine derivatives useful
02/25/1999CA2300943A1 Process for preparing and/or purifying amido acid phenyl ester sulfonates
02/24/1999EP0897910A1 Process for the preparation of 2-carboxy-5-nitrobenzene sulphonic acid and its salts by oxidation
02/24/1999CN1209147A Soil release polymers with fluorescent whitening properties
02/24/1999CN1209118A Sulfonate derivatized perfumes
02/24/1999CN1208728A Improved process for prodn. of 1-amino-8 naphthol-3,6-disulfonate of mono-sodium
02/23/1999US5874616 Preparation of bis (fluoroalkylenesulfonyl) imides and (fluoroalkysulfony) (fluorosulfonyl) imides
02/23/1999US5874467 Phenylacetic acid derivatives and use as fungicides
02/23/1999US5873981 Mixing excess phenolic azeotrope with aqueous alkanesulfonic acid, boiling off water and recycling solution to reactor in which a phenol and an alpha-haloketone react to form a dihydroxy-alpha-alkylstilbene
02/18/1999WO1999008299A1 Nonaqueous electrolyte for electrical storage devices
02/18/1999WO1999007793A1 Dye intermediate and method to manufacture dyes
02/18/1999WO1999007656A2 Improved processes for making surfactants via adsorptive separation and products thereof
02/18/1999CA2297215A1 Dye intermediate and method
02/17/1999EP0896533A2 Pentafluorobenzenesulfonamides and analogs
02/17/1999EP0896531A1 Il-8 receptor antagonists
02/16/1999US5872280 Respiratory system disorders
02/16/1999US5872129 Nitrobenzyl mustard quaternary salts and their use as hypoxia-selective cytotoxic agents
02/16/1999US5872024 Method for manufacturing a mechanical force sensing semiconductor device
02/16/1999US5871691 Corrosion resistance of iron metals in water systems
02/11/1999WO1999006363A1 Improved method for producing parabase esters
02/10/1999CN1207734A Metalloproteinase inhibitors, pharmaceutical compositions contg. them and their pharmaceutical uses, and methods and intermediates useful for their preparation
02/10/1999CN1207362A Purification of hydrochloric acid as by-product in synthesis of methylsulfonic acid
02/09/1999US5869740 Herbicide intermediates
02/09/1999US5869725 Derivatives of aminosulfonic acids, utilization of the same in the synthesis of pseudopeptides and process for their preparation
02/09/1999US5869532 Taurine derivatives for use in cleanser compositions
02/04/1999WO1999005356A1 Mixtures of optical brighteners
02/04/1999WO1999005244A1 Improved alkyl aryl sulfonate surfactants
02/04/1999WO1999005241A1 Cleaning products comprising improved alkylarylsulfonate surfactants prepared via vinylidene olefins and processes for preparation thereof
02/04/1999WO1999005189A1 Polymerization of olefins
02/04/1999WO1999005084A1 Process for making alkylbenzenesulfonate surfactants from alcohols and products thereof
02/04/1999WO1999005082A1 Improved processes for making alkylbenzenesulfonate surfactants and products thereof
02/04/1999DE19732814A1 Production of parabase ester from aniline
02/03/1999EP0894765A1 Purification of hydrochloric acid, by-product of the methanesulphonic acid synthesis
02/03/1999CN1041922C Pyrimidine derivant and preparation process thereof and composition containing same
02/03/1999CN1041916C Substituted benzoyl cyclic enone, process for preparation, and herbicide
02/02/1999US5866724 Positive resist composition and photosensitizers
02/02/1999US5866536 Compounds and compositions for delivering active agents
01/1999
01/28/1999DE19732109A1 Mischungen von optischen Aufhellern Mixtures of optical brighteners
01/28/1999DE19732030A1 Preparation of chloromethane sulphonylhalide intermediates
01/27/1999CN1206416A N-([1,2,4] triazoloazinyl- benzenesulfonamide and pyridinesulfonamide composes and their use as herbicides
01/27/1999CN1206415A Process of making 3-phenyl-1-methylenedioxyphenyl-indane-2-carboxylic acid derivatives
01/27/1999CN1041825C Process for isolation of z-naphthylamine-1,5-disulphoni acid
01/26/1999US5863947 Treating central nervous diseases such as neurological diseases, neurodegenerative diseases, and as antipsychotic, anticonvulsant, analgesic and antiemetic agents
01/21/1999WO1999002146A1 Amino acid derivatives
01/20/1999EP0729452B1 Isethionate esters of alkyl alkoxy carboxylic acids as mild surfactants
01/20/1999EP0651893B1 Hexahydroxybenzophenone sulfonate esters of diazonaphthoquinone sensitizers and positive photoresists employing same
01/20/1999CN1041722C Process for the prepn. of alkanesulphonic acids
01/19/1999US5861369 (2-carboxy-3-hydroxy-propyl)-iminodiacetic acid and derivatives
01/14/1999WO1999001429A1 New oxime sulfonates and the use thereof as latent sulfonic acids
01/14/1999WO1999001423A1 Glucagon antagonists/inverse agonists
01/14/1999WO1999001420A1 Process for the preparation of 2-aminomalonic acid derivatives and intermediates used in the process
01/14/1999WO1999001419A1 Processes for producing 2-aminomalonic acid derivatives and 2-amino-1,3-propanediol derivatives, and intermediates for producing the derivatives
01/14/1999WO1998034917A3 Synthesis of acyclic nucleoside derivatives
01/13/1999EP0890176A1 Proton conductor in liquid form
01/13/1999EP0889863A2 Surface modified carbonate materials
01/13/1999EP0705241B1 Calix(4)Arenes
01/12/1999US5859297 A beta-diketone having one or more aromatic ring groups in conjugated configuration, and electron-attracting fluorine-substituted alkyl groups; less measuring steps, high emission intensities, solid and liquid phase measurements
01/12/1999US5859288 Reagent and process for the synthesis of oxysulphide-containing fluorine-containing organic derivatives
01/12/1999US5859271 Inhibitors of phospholipase that prevent phospholipase mediated injury, injury due to oxidation, and inflammation; side effect reduction
01/12/1999US5859214 DTPA monoamides, pharmaceutical agents containing these compounds, their use and process for their production
01/12/1999US5858924 N-( 1, 2, 4! triazoloazinyl) benzenesulfonamide and pyridinesulfonamide compounds and their use as herbicides
01/07/1999EP0888294A1 Process for the stabilisation of alkylbenzenesulphonates
01/07/1999EP0888290A1 Azulenyl nitrone spin trapping agents, methods of making and using same
01/07/1999EP0746631B1 Use of sulphured substances for stuffing leather
01/06/1999CN1204313A Cyclopentane-1,3-dione derivatives
01/06/1999CN1203909A Method for preparing 3,5-phthalic dimethyl ester sulfonate sodium
01/06/1999CN1041514C Preparation of benzoquinones by oxidation of phenols
01/05/1999US5856538 Preparation of N-acylamino carboxylic acids and N-acylamino sulfonic acids and their alkali metal salts
01/05/1999US5855655 Colorant stabilizers
01/05/1999US5855244 Compositions and processes for treating subterranean formations
12/1998
12/30/1998EP0577785B1 Fluorinated compounds as oxygen transport agents
12/29/1998US5854285 Protein kinase inhibitor
12/29/1998CA2086820C Self-doped conductive polyanilines and method of preparation
12/23/1998EP0885184A1 Perfluoro(alkoxycycloalkane)carbonyl fluoride compositions and their use
12/23/1998EP0813518B1 Process for preparing alpha,beta-diaminoacrylnitriles
12/23/1998EP0754174B1 Process for producing carboxy arene sulphonic acids and their carboxylic acid derivatives
12/23/1998EP0701546B1 Aromatic acetylcholinesterase inhibitors
12/23/1998CN1202884A Method of producing aminophenylsulphonyl carbamides and intermediate products for use in the process
12/23/1998CN1202883A Method for preparing 2-trifluoromethoxy benzene sulphonamide
12/22/1998US5851988 Nonpeptide insulin receptor agonists
12/22/1998US5851771 Chemiluminescent 1,2-dioxetanes
12/16/1998EP0884306A2 Synthesis of amido acids from Carboxylic acids and lactams
12/16/1998EP0883405A1 Amidino protease inhibitors
12/16/1998EP0721450B1 Method for the heat treatment and degassing of sulphonic acid
12/15/1998US5849893 Nucleic acid-binding oligomers possessing C-branching for therapy and diagnostics
12/15/1998CA1340223C 3,3-diphenylpropyl amines and pharmaceutical compositions and cholinergic uses thereof
12/09/1998EP0882116A1 Mixture of earth-alkaline metal alkyl-aryl-sulphonates, its use as additive for lubricating oil and method of preparation
12/09/1998EP0759902B1 Derivatives of aminosulfonic acids, utilization of the same in the synthesis of pseudopeptides and process for their preparation
12/08/1998US5847210 Process for producing surfactant composition
12/08/1998US5847201 N-protected/N-substituted-beta-amino hydroxy sulfonates
12/08/1998US5847171 Molecular organic compound with ferromagnetic properties and a method of producing it
12/08/1998US5847151 Gaba and L-glutamic acid analogs for antiseizure treatment
12/02/1998EP0881214A1 Process for preparing distyrylbiphenyl compounds
12/02/1998EP0880518A1 A process of making 3-phenyl-1-methylenedioxyphenyl-indane-2-carboxylic acid derivatives
12/02/1998CN1200717A Process for preparing 4-bromo-1,1-difluorbut-1-ene and 2,4-dibromo-1,1,1-trifluorobutane
12/01/1998US5843869 Inhibitors of hydroxyphenylpyruvate dioxygenase and an assay for identification of inhibitors