Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
08/2002
08/14/2002DE10106664A1 Verfahren zur Herstellung von spezifikationsgerechtem Phthalsäureanhydrid Process for the preparation of on-spec phthalic anhydride
08/14/2002CN1364151A Method of gas phase catalytic oxidation to give maleic acid anhydride
08/14/2002CN1363546A Homogeneous oxidizing process for preparing 3,5-dimethylbenzoic acid from sym-tritoluene
08/14/2002CN1089085C Synthesis of edible perfume strawberry acid
08/14/2002CN1089081C Preparation of acrolein and acrylic acid
08/14/2002CN1089038C Coated catalytic compositions including nickel, cobalt and molybdenum, and use thereof for preapring unsaturated aldehydes
08/13/2002US6433224 Method for producing carboxylic acid chlorides
08/13/2002US6433222 Method for producing acrylic acid
08/13/2002US6433221 Methods of separating catalyst in solution from a reaction mixture produced by oxidation of cyclohexane to adipic acid
08/13/2002US6433220 Catalyst from oxidation of cyclohexane to adipic acid; solvent extraction
08/13/2002US6433196 Production method of citalopram, intermediate therefor and production method of the intermediate
08/13/2002US6433190 Use as a monomer for polyimides with high glass transition temperature, low dielectric constant and excellent processability
08/13/2002US6432870 Vapor phase oxidation of propane to acrylic acid
08/13/2002US6432531 Composed of alumina monohydrate (alooh) and acetic acid produced by reacting a slurry of water and basic aluminum acetate and stirring; zeta potential of greater than about 25
08/13/2002US6431261 Shell and tube type heat exchanger
08/08/2002WO2002060851A1 Method for cleaning crude terephthalic acid and catalysts suitable for the same and containing carbon fibres
08/08/2002WO2002060850A1 METHOD OF SYNTHESIZING α-KETOL UNSATURATED FATTY ACID
08/08/2002WO2002060432A1 Hypoglycemic agent
08/08/2002WO2002060389A2 Method to treat chronic heart failure and/or elevated cholesterol levels using 3,5-diiodothyropropionic acid and method to prepare same
08/08/2002WO2002024690A8 Efficient process for the preparation of a factor xa inhibitor
08/08/2002WO2002006199A2 Method for producing acrylic acid by the heterogeneously catalysed gas-phase oxidation of propane
08/08/2002WO2001095899A3 Pharmaceutical compositions comprising cannabidiol derivatives
08/08/2002WO2001066496A3 A process for converting cellulosic material into liquid hydrocarbons
08/08/2002US20020107417 Production of dimethylolcarboxylic acid
08/08/2002US20020107416 Stabilizing agent is an aliphatic acid or a benzenecarboxylic acid; improved materials handling
08/08/2002US20020107412 For use as active ingredient in cosmetic and dermatological applications; Wittig reaction; saponification
08/08/2002US20020107358 Process for producing a vic-dichloro acid fluoride
08/08/2002US20020104644 Method for cooling heating grade heat exchanger in unsteady state
08/08/2002DE10105799A1 Verfahren zur Herstellung von cis-Hexadec-6-ensäure A process for preparing cis-hexadec-6-enoic acid
08/08/2002DE10104406A1 Verfahren zum katalytischen Erzeugen von organischen Stoffen durch partielle Oxidation A method for generating catalytic partial oxidation of organic matter by
08/08/2002CA2436425A1 Hypoglycemic agent
08/08/2002CA2397868A1 A synthetic method of a-ketol unsaturated fatty acids
08/07/2002EP1229014A1 Purification process for arylcarboxylic acids
08/07/2002EP1229013A2 Production of dimethylolcarboxylic acid
08/07/2002EP1228032A1 Compositions containing hydroxyeicosatetraenoic acid derivatives and methods of use in treating dry eye disorders
08/07/2002EP1228030A2 Benzenoid derivatives of 15-hydroxyeicosatetraenoic acid and methods of their use in treating dry eye disorders
08/07/2002EP1228028A1 Hydroxyeicosatetraenoate salts, compositions and methods of use in treating dry eye disorders
08/07/2002EP1228025A1 A method for solvent free hydrodebromination in the production of aromatic carboxylic acids
08/07/2002EP1140349B1 Reactor for carrying out gas-liquid, liquid-liquid or gas-liquid-solid chemical reactions
08/07/2002EP1025076B1 Method for producing (meth)acrylic acid
08/07/2002EP0973715B1 Method of recovery of terephthalic acid and ethylene glycol from polyethylene terephthalate wastes
08/07/2002CN1362943A Method for preventing poymerization of vinyl compound
08/06/2002US6429334 Catalytic reaction of organic acid or anhydride and phosgene in group iv metal halide presence; chlorination, bromination, halogenation, catalysis
08/06/2002US6429333 Method for preparing formic acid
08/06/2002US6429331 Catalytic gas phase oxidation to acetic and formic acids; circulation, carboxylation
08/06/2002US6429227 Hydroxyeicosatetraenoate salts, compositions and methods of use in treating dry eye disorders
08/01/2002WO2002059101A1 Process for preparing higher primary alkanols
08/01/2002WO2002059071A1 Process for producing alkanedicarboxylic acid
08/01/2002WO2002058844A1 Stable free nitroxyl radicals as oxidation catalysts and process for oxidation
08/01/2002US20020103397 Process for the preparation of acetic acid or methyl acetate
08/01/2002US20020103385 Use as a monomer for polyimides with high glass transition temperature, low dielectric constant and excellent processability
08/01/2002US20020103301 Method for cutting polymer chains and method for producing chemical raw materials
08/01/2002US20020103257 Use of hydroxyeicosatetraenoic acid derivatives in intraocular surgery
08/01/2002US20020103077 Complex oxide catalysts and process for producing (meth) acrolein and (meth) acrylic acid
08/01/2002US20020102672 Generating a purified solution of lactic acid; provide lactate solution, concentrate lactate, acidify, remove calcium sulfate, extract the acidulated solution, strip loaded solvent and recover lactic acid
08/01/2002DE10104224A1 Kohlenstoffasern enthaltender monolithischer Katalysator Carbon-containing monolithic catalyst
08/01/2002CA2461450A1 Process for preparing higher primary alkanols
08/01/2002CA2429490A1 Stable free nitroxyl radicals as oxidation catalysts and process for oxidation
07/2002
07/31/2002EP1226868A1 Process for producing alkyd resin
07/31/2002EP1226156A1 Process for producing phytosterols by saponification in an alcohol/water solvent
07/31/2002EP1226103A1 Methanol plant retrofit for manufacture of acetic acid
07/31/2002EP1225974A1 Method for the production of fatty granules
07/31/2002EP0958274B1 Woolgrease
07/31/2002EP0938464B1 Recovery of highly fluorinated carboxylic acids from the gaseous phase
07/31/2002CN1361785A Titanium derived compounds, preparation and use thereof
07/31/2002CN1361760A Novel interleukin-1 and tumor necrosis factor-alpha modulators, syntheses of said modulators and methods of using said modulators
07/31/2002CN1361751A Method for recovering fluorinated emulsifiers from aqueous phases
07/31/2002CN1361096A Prepn of conjugated linoleic acid
07/31/2002CN1360971A Oxide catalyst for oxidizing or ammonia oxidizing reaction
07/30/2002US6426438 Catalytic hydrogenation of adipic acid, adipic acid mono- or di-esters, in which the bottom product with desired product removed is recycled
07/30/2002US6426433 Method for producing acrolein and/or acrylic acid from propane
07/30/2002US6426432 One step process for producing dicarboxylic acids
07/30/2002US6426431 Dissolving a disproportionation of dipotassium 2,6-naphthal-enedicarboxylic acid(2,6-nda) in water, filtering insoluble matter, precipitating the monopotassium salt with carbon dioxide, suspending in water and heating
07/30/2002US6426430 Washing aromatic dicarboxylic acid with water in a ratio of 1:5 at 70-200 degree c, reacting in a minimal back mixing reactor at 100-200 degree c and centrifuging
07/25/2002WO2002057276A1 Process for producing aluminum diacetate monobasic
07/25/2002WO2002057247A2 Addition of mineral acids or salts thereof to a trimellitic acid anhydride production process
07/25/2002WO2002057210A1 Stabilised o-iodoxybenzoic acid compositions and preparation method
07/25/2002WO2002032874A3 Substituted heterocyclic compounds for treating multidrug resistance
07/25/2002WO2002032845A3 Method of producing carboxylic acid salts
07/25/2002WO2001098247A3 Two stage process for the production of unsaturated carboxylic acids by oxidation of lower unsaturated hycrocarbons
07/25/2002WO2001072732A3 Oxidation of 5-(hydroxymethyl) furfural to 2,5-diformylfuran and subsequent decarbonylation to unsubstituted furan
07/25/2002US20020099248 Integrated processes for olefin and polyolefin production
07/25/2002US20020099240 Subjecting poly-alkyl aromatic hydrocarbon to liquid-phase oxidation in presence of catalyst, promoter and acetic acid in water, oxygen; continuously taking out aromatic carboxylic acids, exhaust gases; separation
07/25/2002US20020099239 Oxidation process for the production of alkenes and carboxylic acids
07/25/2002US20020099215 For therapy and prophylaxis of P-glycoprotein-mediated multidrug resistance
07/25/2002US20020098123 Liquid withdrawing tray for purification column, purification column, and method for purification
07/25/2002DE10161318A1 Oxide catalysts, for gas phase catalytic oxidation or ammoxidation of propane or isobutane, are useful for production of (meth)acrylonitrile and (meth)acrylic acid
07/24/2002EP1225165A1 Toner for developing electrostatic latent image and charge control agent for use in the toner
07/24/2002EP1225164A1 Process for producing aromatic carboxylic acid
07/24/2002EP1224029A1 Recovery process for oxidation catalyst in the manufacture of aromatic carboxylic acids
07/24/2002EP0946482B1 Method for preparing a 4-hydroxybenzaldehyde and derivatives
07/24/2002EP0932594B1 A process for the recovery of lactic acid
07/24/2002EP0932592B1 Process for the recovery of lactic acid
07/24/2002EP0641254B1 Catalyst supports, supported catalysts methods of making the same and methods of using the same
07/24/2002CN1360564A Process for preparation of 5- and/or 6-substd.-2-hydroxybenzoic acid esters
07/24/2002CN1360520A Method of producing monolithic oxidation catalysts and their use in gas phase oxidation of carbohydrates
07/24/2002CN1359886A Trihydroxymethyl compound and formic acid preparing process
07/24/2002CN1088058C Modified polyunsaturated fatty acids
07/24/2002CN1088055C Process for extracting alpha- or omega-alkadicarboxylic acid from fermented liquid and refining it
07/24/2002CN1087974C Novel metal ion-exchanged phosphorus-vanadium compound and solid acid catalyst using compound