Patents
Patents for C07C 309 - Sulfonic acids; Halides, esters, or anhydrides thereof (15,484)
01/2001
01/31/2001EP1072586A1 Purification of alkanesulfonic acids
01/31/2001EP1071655A1 Cubane derivatives as metabotropic glutamate receptor antagonists and process for their preparation
01/31/2001CN1282316A Substituted cyslopentane and cyclopentene compounds useful as neuraminidase inhibitors
01/31/2001CN1282004A Photoresist composition, its preparation method and method for forming pattern by using it
01/31/2001CN1281843A Improvement of 2-naphthol synthesis process
01/30/2001US6180675 IL-8 receptor antagonists
01/30/2001US6180560 Leuco dye and dye developer of aromatic amide or ester; preservation stability
01/27/2001CA2314179A1 Purification of alkanesulfonic acids
01/25/2001WO2001005925A1 Metal complexes of tripodal ligands
01/25/2001WO2001005755A1 Detergent compositions containing modified alkylaryl sulfonate surfactants
01/25/2001WO2001005754A1 Method for the preparation of 2-methoxy-4-(n-t-butylamino-carbonyl)-benzenesulfonyl chloride
01/25/2001WO2000044740A3 Heteroaryl acetylenic sulfonamide and phosphinic acid amide hydroxamic acid tace inhibitors
01/25/2001DE10028344A1 Organisches,nicht reflektierendes Überzugspolymer und dessen Herstellungsverfahren Organic, non-reflective coating polymer and its production method
01/25/2001CA2379394A1 Detergent compositions containing modified alkylaryl sulfonate surfactants
01/25/2001CA2377279A1 Metal complexes of tripodal ligands
01/24/2001EP1070703A1 Cyclobutene derivatives
01/24/2001CN1060911C Bactericide with chemical bacterillysis
01/23/2001US6177230 Compound having two or more sulfonic acid ester groups each capable of releasing sulfonic acid by the action of heat; recording material
01/22/2001CA2312203A1 Cyclobutene derivatives, their preparation and their therapeutic uses
01/18/2001WO2001004910A1 Use of sulphonic and phosphonic acids as dopants of conductive polyaniline films and conductive composite materials based on polyaniline
01/17/2001EP0490919B1 Cytoprotective compounds bearing unsaturated hydrocarbon groups having 16 to 20 carbon atoms
01/17/2001CN1280123A Method for preparing J acid (7-amino-4-hydroxy-2-naphthalonesulfonic acid)
01/17/2001CN1280037A Method for recovering strong acid from aqueous solution
01/17/2001CN1060765C Method for preparing high alkali bimetallic compound sulfonate
01/17/2001CN1060761C New aryl (alkyl) propylamides, process for preparing them and pharmaceutical compositions containing them
01/17/2001CN1060682C Process for preparing sulfonate dispenser for moving highly viscous petroleum products and water containing dispenser
01/16/2001CA2223404C Novel crystal form of anhydrous 7-(¬1.alpha., 5.alpha., 6.alpha.|-6-amino-3-azabicyclo¬3.1.0|hex-3-yl)-6-fluoro-1-(2,4-difluorophenyl)-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid, methanesulfonic acid salt
01/11/2001WO2001002348A1 Method for preparing sulphonate salts
01/11/2001CA2376481A1 Method for preparing sulphonate salts
01/10/2001EP1066252A1 A process of controlling particle size of naphthoquinone diazide esters
01/10/2001CN1279674A 1-substituted-1-aminomethyl-cycloalkane derivatives (=gabapentin analoguse), their preparation and their use in the treatment of neurological disorders
01/10/2001CN1279673A ((Cyclo) alkyl substituted-.gamma.-aminobutyric acid derivatives (=GABA analogurs), their preparation and their use in the treatment of neurolog disorders
01/10/2001CN1279667A 4(3)-substituted-4(3)-aminonethyl-(thioxo)pyran(thiapyran)or-piperidine derivatives(=gabapendin analogues), their preparation and their use in treatment of neurological disorders
01/10/2001CN1279665A Method for functionalizing phenolic compound bearing electron-donor group
01/09/2001US6172239 Psychological, nervous system disorders
01/09/2001US6172238 Process for manufacturing 1-[3-cyclopentyl-2(R)-[1(R)-hydroxycarbamoyl)-2-(3,4,4-trimethyl-2,5-dioxo-1-imidazolidinyl)ethyl]propionyl]piperidine
01/09/2001US6172113 Bicyclic amino derivatives and PGD2 antagonist containing the same
01/09/2001US6171522 Heterocyclic aromatic anion salts, and their uses as ionic conducting materials
01/04/2001WO2001000608A1 Process for the synthesis of n-(4-cyano-3-trifluoromethylphenyl)-3-(4-fluorophenylsulfonyl)-2-hydroxy-2-methylpropionamide
01/04/2001WO2001000572A1 PROCESS FOR PRODUCING α-SULFO-FATTY ACID ALKYL ESTER SALT
01/03/2001EP1065199A2 "Process for the recovery of strong acids from aqueous solution"
01/03/2001EP1064258A1 Process for the preparation of sulphonated distyryl-biphenyl compounds
01/03/2001EP0825979B1 Process for the catalytic hydrogenation of aromatic nitro compounds
01/02/2001US6169194 High surface density covalent immobilization of oligonucleotide monolayers using a 1-(thiotrifluoroacetato)-11-(trichlorososilyl)-undecane linker
01/02/2001US6168655 Phenol derivatives
01/02/2001US6168654 Porphine imparts light-stability to the colorant so that the colorant does not fade
12/2000
12/28/2000WO2000078713A1 Vitamin k adduct, particularly suitable as vitamin supplement for feeds
12/27/2000EP0918751B1 Process for the dealkylating sulfonation of p-alkyl calixarenes
12/27/2000EP0815075B1 Synthesis of bleach activators
12/27/2000EP0751768B1 Anti-viral and anti-cancer agent
12/27/2000CN1277957A Method for preparing neuraminidase inhibitor RO-64-0796
12/26/2000US6166267 Synthesis of n-silylated cyclopentaphenanthrene compounds
12/26/2000US6166262 Surfactant manufacture
12/26/2000US6166251 Labeled reagents for use in immunoassays and fluorescent compounds and complexes used therein
12/26/2000US6166234 Tripodal cyclopentadiene derivatives and their use
12/26/2000US6166157 Iodonitriles as chain transfer agents in the manufacture of perfluoropolymers
12/21/2000WO2000076960A1 Process for the preparation of optically active n-acyl derivatives of methyl n-(2,6-dimethylphenyl)-d-alaninate
12/21/2000WO2000044710A3 Acetylenic aryl sulfonamide and phosphinic acid amide hydroxamic acid tace inhibitors
12/21/2000WO2000044709A3 ACETYLENIC α-AMINO ACID-BASED SULFONAMIDE HYDROXAMIC ACID TACE INHIBITORS
12/21/2000DE19927602A1 One-part, multiphase color developer concentrate, useful for preparing developer for color photographic material with high silver chloride content, contains hydroxyl-amine or -amide derivative as antioxidant
12/20/2000EP1061062A1 Process for producing butanetriol derivative
12/20/2000CN1276967A Application of compound straight-chain sodium alkylbenzenesulfonate as pesticide
12/20/2000CN1059668C Process for producing N-aliphatic substituted p-phenylenediamines
12/19/2000US6162933 By single-stage reaction of amidocarboxylic acids with inorganic acid halides and a phenol derivative; lower energy use and simple removal of the solvent by distillation or by precipitating out reaction product; use as bleach activators
12/13/2000EP1059283A1 Process for preparing neuraminidase inhibitor ro-64-0796
12/13/2000CN1276369A Process for preparing 4,6-diamino-m-benzenediol
12/13/2000CN1059434C Process for preparing substd. phenylacetic acid derivs. and intermediates
12/12/2000US6160180 Tertiary phosphanes containing alkylene glycol groups
12/12/2000US6160169 Sulfonating nitrotoluene with oleum to form 4-nitrotoluene-2-sulfonic acid, diluting with water, partially neutralizing the product with mineral base, extracting with a liophilic amine, basefying and condensation
12/12/2000US6160141 Reacting a hydrocarbylsulfonic ester of methyl lesquerolate with diazabicycloundecene to form high yield of 11-cis, 13-trans eicosadienoic acid
12/12/2000US6159912 Low viscosity, chloride-free, low overbased alkyl-aryl-sulfonate, its application as an additive for lubricating oil, and methods of preparation
12/12/2000US6159695 High surface density covalent immobilization of oligonucleotide monolayers
12/12/2000US6159665 Processes using photosensitive materials including a nitro benzyl ester photoacid generator
12/07/2000WO2000073391A1 Process for making dyes of high purity
12/07/2000WO2000073289A1 Alpha-phenyl-beta-ketosulfone
12/07/2000WO2000073264A1 Cell proliferation inhibitors
12/07/2000CA2371092A1 Cell proliferation inhibitors
12/06/2000EP1056693A1 Anionic surfactants based on alkene sulfonic acid
12/05/2000US6156930 Method for producing trifluoromethanesulfonyl chloride
12/05/2000US6156207 Process for the removal of metal compounds from an aqueous acid solution
11/2000
11/30/2000WO2000071506A2 Naphthalene ureas as glucose uptake enhancers
11/30/2000WO2000071244A1 Inhibition of build-up in reaction vessels
11/30/2000DE19924668A1 Substituierte alpha-Phenyl-beta-Ketosulfone Substituted alpha-phenyl-beta-ketosulfones
11/30/2000CA2374225A1 Naphthalene ureas as glucose uptake enhancers
11/30/2000CA2373095A1 Inhibition of build-up in reaction vessels
11/29/2000EP1055414A1 Cosmetic or dermatological photoprotective preparations containing boron nitride and sulfonated UV filters as well as the use of boron nitride to stabilize emulsions containing electrolytes, especially sulfonated UV filters
11/29/2000CN1274716A Preparation of sulfanilic acid
11/28/2000US6153774 Silver ion chromatography of high purity conjugated linoleic acid (CLA)
11/28/2000US6153175 Indanylidene compounds used as cosmetic, in particular as sunscreen agent, daytime care products and hair care products, and also for improving the stability of paints, varnishes, plastics, textiles, and packing materials to light
11/28/2000CA2164303C Aromatic acetylcholinesterase inhibitors
11/23/2000WO2000069808A1 Process for preparing r-(-)-carnitine from s-(-)-chlorosuccinic acid or from a derivative thereof
11/23/2000DE19923773A1 Kosmetische oder dermatologische Lichtschutzzubereitungen mit einem Gehalt an Bornitrid und sulfonierten UV-Filtersubstanzen sowie die Verwendung von Bornitrid zur Stabilisierung von Emulsionen, die einen Gehalt an Elektrolyten, insbesondere einen Gehalt an sulfonierten UV-Filtersubstanzen, aufweisen Cosmetic or dermatological light protection preparations containing boron nitride and sulfonated UV filter substances and the use of boron nitride for stabilizing emulsions having a content of electrolytes, especially a content of sulfonated UV filter substances,
11/23/2000CA2372424A1 Process for preparing r-(-)-carnitine from s-(-)-chlorosuccinic acid or from a derivative thereof
11/22/2000EP1053508A1 A process for making a photoactive compound and photoresist therefrom
11/22/2000EP1053262A1 Fluorinated ionomers and their uses
11/22/2000EP1053233A1 Hydroxamic and carboxylic acid derivatives
11/22/2000CN1274433A Radiation-sensitive compsn. of chemical amplification type containing onium salt type photosensitive acid generating agent
11/22/2000CN1273968A Method for preparing 1,2-naphthaqinone-2-diazo-4-sulfonic acid chloride
11/21/2000US6150565 Reacting an olefin with difluorodiiodomethane to form diiodofluorinated compound
11/15/2000EP1052257A1 Process for producing optically active threo-3-amino-1,2-epoxy compounds
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