Patents
Patents for C07C 63 - Compounds having carboxyl groups bound to carbon atoms of six-membered aromatic rings (6,553)
02/2004
02/05/2004WO2004011450A1 Process for the preparation of 1-(3-dimethylaminopropyl) -1-(4-fluorophenyl) -1,3-dihydroisobenzofuran -5-carbonitrile
02/05/2004WO2004011411A1 Method of producing trimellitic acid
02/05/2004DE10228762A1 Dicarbonsäuren für Dielektrika mit Sperrwirkung gegen Kupferdiffusion Dicarboxylic acids for dielectrics with barrier action against copper diffusion
02/04/2004CN1472188A Preparation of dimellitic acid
02/04/2004CN1136935C Parallel connection technology for flash tanks of terephthalic acid mother liquid
01/2004
01/29/2004US20040019156 Comprises metal bromide oxidation catalysts, in liquid phase using acetic acid as solvent; waste treatment
01/29/2004US20040019072 Dimer-selective RXR modulators and methods for their use
01/28/2004EP1383775A1 Isoreticular metal-organic frameworks, process for forming the same, and systematic design of pore size and functionality therein,with application for gas storage
01/28/2004CN1470491A Method for removing impurities from oxidation products
01/22/2004US20040015009 Oxidation of alkly-aromatic compounds
01/21/2004EP1381464A1 Catalyst support with intersecting channel network, catalysis reactor comprising same and method for making same
01/21/2004CN1469856A Oxidation of alkyl-aromatic compounds
01/21/2004CN1135215C Process for recovering methyl acetate and residual acetic acid in the production of pure terephthalic acid
01/15/2004WO2004005235A1 Process for producing aromatic dicarboxylic acids under supercritical conditions
01/15/2004CA2492148A1 Process for producing aromatic dicarboxylic acids under supercritical conditions
01/14/2004CN1468207A New retinoids for the treatment of emphysema
01/14/2004CN1134405C 5,6-Dihydronaphthalenyl derivatives having retionoid-like activity
01/14/2004CN1134401C Aromatic acid monomers, polymers, products and processes for their manufacture
01/14/2004CN1134302C Method for producing shell catalysts for catalytic vapor-phase oxidation of aromatic hydrocarbons and catalysts obtained in such manner
01/13/2004US6677492 Sevoflurane
01/13/2004US6677487 Combining a tertiary amide with a pentavalent phosphorous halide in a solvent to form an alpha - haloiminium salt and converting the alpha -haloiminium salt to the alpha -haloenamine with a base
01/13/2004US6677479 Substituted fluoroaromatics, process for preparing them and their use
01/13/2004US6677390 Photocurable composition containing iodonium salt compound
01/08/2004WO2004002934A1 Dicarboxylic acids for dielectrics with barrier effect against copper diffusion
01/04/2004CN1134395C Recovery of 2,6-naphthalene dicarboxylic acid from polyesters
01/02/2004EP1375468A2 Method for removing impurities from oxidation products
01/02/2004EP1375467A1 2-Bromomethyl-6-methyl-benzoic acid and a process for the preparation thereof
01/02/2004EP1374983A1 Reaction system of organic substance employing supercritical fluid or sub-critical fluid
01/02/2004EP1373277A1 Organometallic building materials and method for producing the same
01/02/2004EP1372808A1 Method for eliminating oxygenated organic molecules that are present in an organic effluent using alumina agglomerates
01/02/2004EP1372807A2 Ionic liquids as selective additives for the separation of close-boiling or azeotropic mixtures
12/2003
12/31/2003WO2004000763A2 Method for preparing an unsaturated carboxylic acid
12/30/2003US6670487 Method for removing impurities from oxidation products
12/25/2003US20030236431 2-bromomethyl-6-methyl-benzoic acid and a process for the preparation thereof
12/24/2003WO2003059510A3 Manganese(iv) complex salts and their use as oxidation catalysts
12/18/2003WO2003055599A8 Catalyst supported on carbon having macroporosity for purification of aromatic acids
12/18/2003WO2003053904A3 Purification of a crude acid mixture
12/11/2003WO2003101922A1 Method for decarbonylation of aromatic acid halide
12/10/2003EP1368297A2 Synthesis and use of dimethyl-1,5-naphthalenedicarboxylates and intermediates therefrom
12/10/2003EP1062196B1 Improved process for producing pure carboxylic acids
12/10/2003CN1130328C Process for preparing phthalic acid
12/04/2003US20030225299 Thermocracking polyesters in ethylene glycol and sodium carbonate, then separating impurities, neutralization and crystallization of benzenedicarboxylic acid; reuse
12/03/2003EP0937702B1 Method of refining benzoic acid
12/02/2003US6657068 Liquid phase oxidation of halogenated ortho-xylenes
11/2003
11/27/2003US20030219832 Administered or coadministered with retinoid drugs to prevent or ameliorate toxicity or side effects caused by retinoids or vitamin A or vitamin A precursors
11/26/2003CN1458139A Process for refining coarse terephthalic acid
11/20/2003US20030216577 Catalytic ozonolysis using transition metal catalys
11/19/2003EP1362840A1 Process for the preparation of aromatic and heteroaromatic carboxylic acids via catalytic ozonolysis
11/19/2003EP1214285B1 Process for producing pure terephthalic acid with improved recovery of precursors, solvent and methyl acetate
11/18/2003US6649792 Method of chemical recycling of polyethylene terephthalate waste
11/18/2003US6649612 Biphenyl derivatives substituted with an aromatic or heteroaromatic radical, and pharmaceutical and cosmetic compositions containing them
11/18/2003US6649172 5-(p-carboxybenzyloxy)-2-oxybenzaldehyde derivatives; vaccine adjuvants
11/15/2003CA2430171A1 Preparation of aromatic and heteroaromatic carboxylic acids by catalytic ozonolysis
11/13/2003WO2003093212A1 High-purity (fluoroalkyl)benzene derivative and process for producing the same
11/13/2003WO2003093201A1 Method for producing organic alkyne compounds
11/12/2003CN1127471C Method and apparatus for preparing purified terephthalic acid
11/12/2003CN1127374C Carrier catalyst and use as hydrocarbon gaseous oxidation
11/11/2003US6646062 Production of improved polymers via the use of star cores
11/06/2003WO2003091195A1 Method of removing iron contaminants from liquid streams during the manufacture and/or purification of aromatic acids
11/05/2003EP1358149A1 Method for cleaning crude terephthalic acid and catalysts suitable for the same and containing carbon fibres
11/05/2003CN1454201A Gold catalyst for selective oxidation
11/05/2003CN1453273A Benzene anhydride recovering and refining method from rectified residue
11/05/2003CN1453261A Continuous air oxidation process of producing methyl benzoic acid
11/05/2003CN1126730C Process for separating and purifying terephthalic acid from its waste
11/04/2003US6642273 Dermatology, vision defects, cardiovascular disorders, antiinflammatory
10/2003
10/29/2003EP1357107A1 Indanones and carbamate, and their use in the preparation of arthropodicial oxadiazines
10/15/2003EP1351922A2 6-substituted indanoyl amino acid conjugates as mimics to the biological activity of coronatine
10/15/2003CN1124350C Strain of the microorganism penicillium oxalicum Var armeniaca and its application
10/15/2003CN1124260C Para retinoic acid
10/15/2003CN1124252C Method and apparatus for recovering terephthalic acid
10/09/2003WO2003082883A1 Titanium salts, process for preparation thereof, and process for preparing epoxides with the same
10/09/2003WO2003082791A1 Liquid phase oxidation of halogenated ortho-xylenes
10/09/2003US20030191145 Unsaturated derivatives at the 4-position of 6-tert-butyl-1,1-dimethylindane and their use in human and veterinary medicine and in cosmetics
10/08/2003EP1349825A1 Improved process for producing carboxylic acids
10/08/2003EP1349824A1 Method for increasing oxidation reactor production capacity
10/08/2003CN1447785A Method for vapour-phase partial oxidation aromatic hydrocarbons
10/02/2003WO2002094760A3 Process for the preparation of 7-substituted 3-alkyl-3h-isobenzofuran-1-one derivatives
10/01/2003EP1348687A1 Selective liquid phase air oxidation of toluene catalysed by composite catalytic system
10/01/2003EP0971870B1 Production of terephthalic acid
09/2003
09/25/2003WO2003016252A3 Alkyl aromatic aldehydes
09/25/2003US20030181757 Liquid phase oxidation of halogenated ortho-xylenes
09/24/2003EP1346975A1 Aromatic carboxylic acids, acid halides thereof and processes for preparing both
09/24/2003CN1443756A Bicyclic aromatic compound
09/23/2003US6624188 Method of treatment with compounds having retinoid-like activity and reduced skin toxicity and lacking teratogenic effects
09/23/2003US6624114 Reduced pressure build-up in the reactor by providing two notches each in the upper and lower end face of the ring, the pressure drops can be reduced by about 30% without resulting in a significant loss of coatable surface
09/18/2003US20030176726 Selective retinoid agonists
09/18/2003US20030176715 Method for the vapour-phase partial oxidation of aromatic hydrocarbons
09/18/2003US20030176663 Specific binding molecules for scintigraphy
09/17/2003EP0910560B1 Process for preparing 2-aryl-substituted indenes
09/17/2003CN1443152A production of aromatic carboxylic acids
09/17/2003CN1121379C Synthesis and use of retinene derivative having negative hormone and/or antagonist activities
09/17/2003CN1121376C Substituted 4-biarylbutyric or 5-biarylpentanoic acids and derivatives and matrix metalloprotease inhibitors
09/17/2003CN1121371C Continuous process for preparation of pivaloyl chloride and aroyl chloride
09/16/2003US6620966 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
09/11/2003US20030171210 Reduction of carbonyl compounds by a silane in the presence of a zinc catalyst
09/10/2003EP1341743A2 Organic reactions with co generating materials
09/10/2003EP1032557B1 Method for preparing bromomethyl-biphenyl derivatives
09/09/2003US6617414 Polymerizable to polybenzothiazoles and polybenzoxazoles; storage stability; high strength, heat resistant fibers and films; white particles of specific size
09/04/2003WO2003072544A1 Crystalline anhydrous and monohydrate benzoate salts of (2's,3s)-3-hydroxy-n-{2{n-methyl-n-4-(n-propylamino-carbonyl)phenyl]amino-2-phenyl}-ethylpyrrolidine
09/04/2003CA2477634A1 Crystalline anhydrous and monohydrate benzoate salts of (2's,3s)-3-hydroxy-n-{2{n-methyl-n-4-(n-propylamino-carbonyl)phenyl]amino-2-phenyl}-ethylpyrrolidine
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