Patents
Patents for C07C 63 - Compounds having carboxyl groups bound to carbon atoms of six-membered aromatic rings (6,553)
09/2007
09/13/2007WO2007103023A1 Methods and apparatus for isolating carboxylic acid
09/13/2007WO2007103022A1 Methods and apparatus for producing a low-moisture carboxylic acid wet cake
09/13/2007WO2007103021A1 Carboxylic acid production process
09/13/2007DE102006010809A1 Water-free solubilizate of a preservative, useful to preserve food, preferably beverages from microorganisms, comprises sorbic acid and/or benzoic acid as well as one or more emulsifying agent
09/13/2007CA2643687A1 Polycarboxylic acid production system employing cooled mother liquor from oxidative digestion as feed to impurity purge system
09/12/2007EP1831146A1 Hydroxycarbonylation of aryl and vinyl bromides
09/12/2007EP1453784B1 Production of ammonium salts of aromatic carboxylic acids
09/12/2007CN101035752A Process for chemical recycling of post consumption poly (ethylene terephthalate) and equipment for chemical recycling of post consumption poly(ethylene terephthalate)
09/05/2007CN101031535A Process for producing biphenyltetracarboxylic acid
08/2007
08/29/2007CN101027274A Extraction process for removal of impurities from an oxidizer purge stream in the synthesis of carboxylic acid
08/29/2007CN101024606A Method for centrifugally separating slurry containing aromatic carboxylic acid
08/29/2007CN100334059C Liquid phase oxidation of halogenated ortho-xylenes
08/23/2007WO2007094936A1 Process for decolorizing aromatic dicarboxylic acids
08/23/2007WO2007076384A3 Ethanolysis of pet to form det and oxidation thereof
08/22/2007EP1819659A1 Method for the production of phthalic dichloride
08/22/2007EP1819658A1 Method for producing 3-halophthalic acid dichlorides
08/22/2007EP1338318B1 Method of crystallization
08/22/2007CN1332919C Control method for p-xylene oxidation mother liquor circulation rate
08/21/2007US7259274 Cyanation reaction of aliphatic carboxylic acid, aliphatic dicarboxylic acid or alkyl ester with ammonia in the presence of titanium oxide catalyst on silica support prepared by treating silica gel or silica sol with titanium oxysulfatehydrogenation to alkylamine; catalysis
08/16/2007WO2007092183A2 Process for the purification of a crude carboxylic acid slurry
08/16/2007WO2007090809A1 Process for preparing porous metal-organic framework materials
08/16/2007US20070191634 Methods for producing aromatic carboxylic acids
08/15/2007CN101016309A Cadmium anthracene-9,10-dicarboxylate and 2,2-bipyridyl hybrid complex, preparing method and application thereof
08/15/2007CN101016308A Cadmium anthracene-9,10-dicarboxylate and 1,5-dinitrocyclooctane hybrid complex, preparing method and application thereof
08/15/2007CN101016307A Cadmium anthracene-9,10-dicarboxylate complex, preparing method and application thereof
08/15/2007CN101016243A Method of synthesizing 9-phenanthrene acid
08/14/2007US7256302 Catalyst ligand with groups on one or both of the benzene rings in a paracyclophane structure; high activity and selectivity for asymmetric reactions, facilitate chiral resolution
08/09/2007US20070185283 Perdeuterated polyimide, their process of preparation and their use as materials which are transparent within the region from 2500 to 3500 cm-1
08/09/2007US20070185282 Perdeuterated polyimides, their process of preparation and their use as materials which are transparent within the region from 2500 to 3500 cm-1
08/08/2007EP1816116A1 Chemical compositions and methods of making them
08/08/2007CN1330613C Method for producing organic alkyne compounds
08/07/2007CA2247291C Azeotropic distillation process
08/02/2007US20070179313 Extraction tube protrudes from the side wall of the agitation vessel in a direction toward the interior to effect an eddy current; prevent sediment flow intotube; antiagglomerants; hydrolysis of dimethyl terephthalate to terephthalic acid; pressure differential; crystal growth inhibitors; antifouling
08/01/2007EP1813586A1 Oxidation catalyst and oxidation method
08/01/2007CN1329360C Preparation of substituted phthalic anhydride
08/01/2007CN1329118C Method for preparing palladium/carbon catalyzer by hydrogenising and refining crude terephthalic acid
08/01/2007CN1329117C Method for preparing hydrogenising selectively palladium/carbon catalyzer
08/01/2007CN101010282A Crude terephthalic acid composition and production process thereof
08/01/2007CN101010278A 优化的液相氧化 Optimized liquid phase oxidation
08/01/2007CN101010277A 优化的液相氧化 Optimized liquid phase oxidation
08/01/2007CN101010267A 优化的液相氧化 Optimized liquid phase oxidation
08/01/2007CN101010135A 优化的液相氧化 Optimized liquid phase oxidation
08/01/2007CN101010134A 优化的液相氧化 Optimized liquid phase oxidation
08/01/2007CN101010132A 优化的液相氧化 Optimized liquid phase oxidation
08/01/2007CN101007763A Intermediates used in the preparation of arthropodicidal oxadiazines
07/2007
07/26/2007WO2007082639A1 Use of esters comprising branched alkyl groups as lubricants
07/26/2007CA2637401A1 Use of esters comprising branched alkyl groups as lubricants
07/25/2007CN1328246C Butyl benzene orthobenzol diacid amide derivative or its salt, garderning pesticide and its application method
07/25/2007CN1328238C Preparation of 2,4,5-trifluo-benzoic acid
07/25/2007CN1328236C Oxidizing device for producing aromatic carboxylic acid
07/25/2007CN101005889A Optimized production of aromatic dicarboxylic acids
07/25/2007CN101003475A Oxidizing reaction equipment without agitation for preparing aromatic acid
07/19/2007WO2007081513A1 Oxidation system employing internal structure for enhanced hydrodynamics
07/19/2007WO2007081507A2 Oxidation system with internal secondary reactor
07/19/2007WO2007009083A3 Compounds with activity at retinoic acid receptors
07/19/2007CA2635357A1 Oxidation system employing internal structure for enhanced hydrodynamics
07/19/2007CA2635355A1 Oxidation system with internal secondary reactor
07/18/2007CN101001825A Purification of carboxylic acids by complexation with selective solvents
07/18/2007CN100999458A Oxidation reactor for producing terephthalic acid
07/18/2007CN100999457A Method of preparing dihalogen nitrobenzoate using dihalogen methyl nitrobenzene oxidation
07/17/2007CA2285070C Composition and method for reducing fouling in process equipment used for manufacturing aromatic materials
07/12/2007WO2006058201A3 Heterocyclic and bicyclic compounds, compositions and methods
07/11/2007EP1805127A1 Process for removal of impurities from an oxidizer purge stream
07/11/2007CN1325460C Method for producing carboxylic acid
07/10/2007CA2237027C Hydrogenation catalysts comprising palladium deposited on activated carbon
07/05/2007WO2007076384A2 Ethanolysis of pet to form det and oxidation thereof
07/05/2007WO2007073658A1 Process for separation of crude terephthalic acid
07/05/2007CA2820149A1 Ethanolysis of pet to form det and oxidation thereof
07/05/2007CA2626033A1 Ethanolysis of pet to form det and oxidation thereof
07/04/2007EP1802562A2 Optimized liquid-phase oxidation of paraxylene
07/04/2007CN1990449A Process for isolating crude terephthalic acid(CTA)
07/04/2007CN1323999C Process for producing high-purity terephthalic acid
07/03/2007US7238833 Production of aromatic carboxylic acids
06/2007
06/27/2007EP1801092A1 Process for producing biphenyltetracarboxylic acid
06/27/2007CN1986514A Preparing process and apparatus for nano aromatic copper salt
06/21/2007US20070142667 Process for preparing(+)-2-(4-chlorophenyl)-3-methyl butanoic acid
06/20/2007EP1114812B1 Processes for the preparation of fluorinated benzoic acids
06/20/2007CN1982283A Process for producing high purity terephthalic acid
06/20/2007CN1321958C Fluoroether compositions and methods for inhibiting their degradation in the presence of a lewis acid
06/14/2007WO2007066532A1 Method for producing tetrafluoroterephthalic acid difluoride
06/14/2007WO2007066529A1 Method for producing tetrafluoroterephthalic acid difluoride
06/14/2007WO2007065513A1 Process for preparing an aromatic carboxylic acid
06/14/2007WO2007021487A8 Process for removal of benzoic acid from an oxidizer purge stream
06/13/2007EP1795520A1 Process for the preparation of an aromatic carboxylic acid
06/13/2007CN2910344Y Bubbling tower oxidizing apparatus for production of aromatic carboxyl acid
06/13/2007CN1980881A Method of making halophthalic acids and halophthalic anhydrides
06/13/2007CN1321101C New retinoids for the treatment of emphysema
06/12/2007US7230128 Unbridged metallocenes containing a fluorene ring and optionally a cyclopentane, indene or tetrahydroindene ring, and their preparation from an alkali metal fluorene compound and a transition metal halide, alcohol or alkyl compound; polymerizing olefins using the metallocenes as catalysts
06/12/2007CA2284721C Process for preparing 2,6-naphthalenedicarboxylic acid
06/06/2007EP1791802A2 Optimized liquid-phase oxidation of p-xylene
06/06/2007CN1976890A Method for producing high-purity terephthalic acid
06/06/2007CN1974521A Process of producing aromatic carboxylic acid with guanidine compound as catalyst
06/06/2007CN1974520A Process of producing aromatic carboxylic acid with diamine compound as catalyst
06/05/2007USRE39682 Enzyme inhibitors, for cancer therapy
05/2007
05/31/2007WO2006125158A8 An enrichment process using compounds useful in a polyester process
05/31/2007DE102005050376A1 Dicarbonsäure-Derivate und ihre Verwendung Dicarboxylic acid derivatives and their use
05/30/2007EP1358149B1 Method for cleaning crude terephthalic acid and catalysts suitable for the same and containing carbon fibres
05/30/2007CN1318376C Method for manufacturing terephthalic acid
05/30/2007CN1318371C Method of feeding solution of crude terephthalic acid to reactor
05/24/2007DE102005054636A1 Metallorganische Gerüstmaterialien der III. Metal organic frameworks of III. Nebengruppe Subgroup
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