Patents for C07C 63 - Compounds having carboxyl groups bound to carbon atoms of six-membered aromatic rings (6,553) |
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06/25/1998 | WO1998027047A1 Process for the preparation of 4,4'-oxybisphthalic dianhydride |
06/25/1998 | WO1998027029A1 Methods of preparing an intermediate oxidation product from a hydrocarbon by utilizing an activated initiator |
06/24/1998 | EP0849253A1 Process for producing benzoyl chlorides |
06/24/1998 | EP0749409B1 Decarboxylation process |
06/23/1998 | US5770765 Process for the production of high-purity isophthalic acid |
06/23/1998 | US5770763 Polyarylcyclobutenes derived from 3,6 functionalized mono and dicyclobutabenzene |
06/17/1998 | EP0847977A1 2,3-dihalogeno-6-trifluoromethylbenzene derivatives and process for producing the same |
06/17/1998 | EP0847800A2 Direct oxygen injection into bubble column reactors |
06/17/1998 | CN1038745C Process for selective hydrodefluorination of tetrafluorophenyl-0-diformaimine to produce 3, 4, 6 -trifluoro phthalic acid |
06/16/1998 | US5767311 Method and apparatus for preparing purified terephtalic acid |
06/16/1998 | US5766610 Useful for treatment of mammalian skin and hair, rheumatism, resipiratory system disorder, cardiovascular and vision disorders |
06/12/1998 | CA2224529A1 Direct oxygen injection into bubble column reactors |
06/11/1998 | WO1998024749A1 Method and apparatus for preparing purified terephthalic acid |
06/10/1998 | EP0684863B1 Separation process |
06/10/1998 | CN1184099A Refining method of para-tert-butyl benzoic acid |
06/09/1998 | US5763680 Separation of phosphorus acidic compounds from reaction product fluids by treating with water, treating water with ion exchange resins |
06/09/1998 | US5763679 Metal-ligand complex catalyzed processes |
06/09/1998 | US5763677 Hydroformylation processes |
06/09/1998 | US5763671 Separating phoshorous acidic compounds |
06/09/1998 | US5763670 Hydroformylation processes |
06/09/1998 | CA2128719C Production method of high purity isomers of benzenedicarboxylic acids |
06/03/1998 | CN1183403A Liquid crystal compound contg. cyclohexyl and perfluoro benzene ring and preparing process thereof |
06/03/1998 | CN1038580C Process for production of terephthalic acid |
06/02/1998 | US5760276 Aryl-and heteroarylcyclohexenyl substituted alkenes having retinoid agonist, antagonist or inverse agonist type biological activity |
06/02/1998 | CA2158632C Catechol diether compounds as inhibitors of tnf release |
05/27/1998 | CN1183093A Process for preparation of esters of stilbenedicarboxylic acid |
05/26/1998 | US5756834 Process for preparing fluorinated aromatics |
05/26/1998 | US5756000 Water soluble, fluorine-free surfactants |
05/20/1998 | CN1038409C Process for production of terephthalic acid |
05/12/1998 | US5750731 Perfluorinated aromatic compounds |
05/12/1998 | CA2205045A1 Factors and methods for reducing biological activity of a multimeric protein and methods of screening therefor |
05/07/1998 | CA2268916A1 Integrin antagonists |
05/07/1998 | CA2267413A1 Production of aromatic carboxylic acids |
05/05/1998 | US5746998 Targeted co-polymers for radiographic imaging |
04/29/1998 | EP0837842A1 Methods and devices for making intermediate oxidation products by controlling conversions and temperatures in an atomized liquid |
04/28/1998 | US5744650 Using metal-organopolyphosphite ligand complex catalyst and controlling carbon monoxide partial pressure and temperature |
04/28/1998 | US5744649 Catalysts |
04/28/1998 | US5744638 Treatment of halo carboxylic acid with ammonia using copper catalyst |
04/21/1998 | US5741945 Processes employing indicator ligands |
04/21/1998 | US5741944 Hydroformaylation processes |
04/21/1998 | US5741943 Using steric hindered organophosphorus ligand |
04/21/1998 | US5741927 Separation process |
04/15/1998 | EP0655051B1 Process for preparing phenylterephthalic acid |
04/09/1998 | WO1998014420A1 Method of refining benzoic acid |
04/09/1998 | DE19712339C1 Preparation of 2'-substituted 4-bromo-methyl-bi:phenyl compounds |
04/08/1998 | EP0834499A1 Process for the preparation of aromatic vinyl compounds |
04/08/1998 | CN1178139A Catalyst for producing benzoic anhydride |
04/01/1998 | EP0832081A1 Bicyclic-aromatic compounds |
04/01/1998 | EP0832057A1 Diaromatic propynyl or dienyl compounds |
04/01/1998 | CN1177590A Method for production of aromatic carboxyl acid |
03/31/1998 | US5734073 Halogenation reactions |
03/24/1998 | US5731473 Hydroformylation, carbon dioxide |
03/17/1998 | US5728893 Process using multistaged reactors |
03/05/1998 | WO1998008605A1 Catalyst recovery |
03/03/1998 | US5723659 Catalytic hydrogenation after catalytic oxidation of alkylaromatic compounds |
03/03/1998 | US5723658 Process for the preparation of salts of substituted or unsubstituted phthalic acids |
03/03/1998 | US5723656 Process for preparing aromatic carboxylic acids with efficient energy recovery |
03/03/1998 | US5723648 Intermediates for anti-microbial benzoheterocyclic compounds |
03/03/1998 | US5723620 Acetylenes disubstituted with a 5 substituted tetrahydronaphthyl group and with an aryl or heteroaryl groups having retinoid-like biological activity |
03/03/1998 | US5723613 Process for the free-radical chlorination or bromination of methyl aromatic compounds |
03/03/1998 | US5723499 Polycyclic aromatic compounds and pharmaceutical/cosmetic compositions comprised thereof |
02/26/1998 | WO1998007682A1 Substituted trifluorobenzoic acids, esters thereof, and process for producing the same |
02/25/1998 | EP0824653A1 Effluent gas treatment |
02/18/1998 | EP0823894A1 Azocompounds for the antemortem diagnosis of alzheimer's disease and in vivo imaging and prevention of amyloid deposition |
02/11/1998 | EP0823413A2 Benzoheterocyclic compounds |
02/04/1998 | EP0822176A2 Process for producing highly pure terephthalic acid by use of dispersion medium replacement apparatus |
01/29/1998 | WO1998003470A1 Novel method for preparing aromatic amides and intermediates therefor |
01/27/1998 | US5712093 RXR homodimer formation |
01/14/1998 | EP0818435A1 Process for the decarboxylation of aromatic carboxylic acids |
01/14/1998 | EP0818434A2 Process for the production of high-purity isophthalic acid |
01/14/1998 | CN1170400A Improved process for purification of aromatic polycarboxylic acids |
01/06/1998 | US5705682 Process for producing highly pure terephthalic acid |
01/06/1998 | CA2061559C Cyclopentadiene type compounds and method for making |
12/31/1997 | WO1997049485A1 Methods and devices for oxidizing a hydrocarbon to form an acid |
12/31/1997 | CA2258015A1 Methods and devices for oxidizing a hydrocarbon to form an acid |
12/29/1997 | EP0813515A1 Process for the preparation of esters of stilbenedicarboxylic acid |
12/23/1997 | US5700938 Chemical intermediates for hypotensive agents |
12/23/1997 | US5700836 Topically administering to treat photodamaged skin |
12/17/1997 | CN1168131A Method for purifying crude naphthalenedicarboxylic acid |
12/16/1997 | US5698755 Process for preparing aromatic olefins using palladacycle catalysis |
12/16/1997 | US5698734 Subjecting an aqueous solution of crude product to hydrogenation to reduce impurities followed by isolation via crystallization, washing and centrifuging; pollution control |
12/10/1997 | CN1167106A Method for synthesizing pyruvate by lactate catalyzing |
12/09/1997 | US5696285 Production of terephthalic acid with excellent optical properties through the use of pure or nearly pure oxygen as the oxidant in p-xylene oxidation |
12/09/1997 | US5696162 Phenyl or heteroaryl and tetrahydronaphthyl substituted diene compound having retinoid like biological activity |
12/09/1997 | CA2124731C Metallocenes and processes therefor and therewith |
12/09/1997 | CA1339574C Process for the preparation of high-purity 5,5'-[2,2,2,- trifluoro-1- (trifluoromethyl)-ethylidene]bis-1,3-isobenzofurandione |
12/03/1997 | EP0809622A1 Anti-inflammatory benzoic acid derivatives |
12/03/1997 | CN1166834A Benzopyram and benzo-fused compounds, their preparation and their use as leukotriene B4'(LTB4) antagonists |
12/02/1997 | US5693856 Production of terephthalic acid |
11/27/1997 | WO1997044307A1 Naphthalenedicarboxylic acid particles and process for the production thereof |
11/27/1997 | CA2241182A1 Naphthalenedicarboxylic acid particles and process for the production thereof |
11/26/1997 | EP0808817A1 Process for preparing halogenated phthalic acids and their derivatives |
11/20/1997 | WO1997043241A1 Substituted ethylene compounds and drugs |
11/19/1997 | EP0807099A1 Process for preparing nucleus-halogenated benzoyl chlorides |
11/12/1997 | EP0805795A1 Novel aromatic amides, method for preparing and compositions containing same, and use thereof as pesticides |
11/11/1997 | US5686638 Process for the preparation of mono- or dicarboxylic acids from aldehydes, from their full acetals or hemiacetals or from mixtures thereof |
11/11/1997 | US5686586 Polycyclic aromatic derivatives, process for preparing the same and pharmaceutical and cosmetic compositions containing the same |
11/11/1997 | US5686055 Process for recovering phthalic anhydride and hydrogen chloride from plastic materials |
11/05/1997 | EP0805140A1 Process for producing 4,5-dichloro-2-methylbenzoic acid |
11/05/1997 | CN1163882A Optimization of water content in oxygen-based oxidation of P-xylene |