Patents
Patents for C07C 63 - Compounds having carboxyl groups bound to carbon atoms of six-membered aromatic rings (6,553)
06/1998
06/25/1998WO1998027047A1 Process for the preparation of 4,4'-oxybisphthalic dianhydride
06/25/1998WO1998027029A1 Methods of preparing an intermediate oxidation product from a hydrocarbon by utilizing an activated initiator
06/24/1998EP0849253A1 Process for producing benzoyl chlorides
06/24/1998EP0749409B1 Decarboxylation process
06/23/1998US5770765 Process for the production of high-purity isophthalic acid
06/23/1998US5770763 Polyarylcyclobutenes derived from 3,6 functionalized mono and dicyclobutabenzene
06/17/1998EP0847977A1 2,3-dihalogeno-6-trifluoromethylbenzene derivatives and process for producing the same
06/17/1998EP0847800A2 Direct oxygen injection into bubble column reactors
06/17/1998CN1038745C Process for selective hydrodefluorination of tetrafluorophenyl-0-diformaimine to produce 3, 4, 6 -trifluoro phthalic acid
06/16/1998US5767311 Method and apparatus for preparing purified terephtalic acid
06/16/1998US5766610 Useful for treatment of mammalian skin and hair, rheumatism, resipiratory system disorder, cardiovascular and vision disorders
06/12/1998CA2224529A1 Direct oxygen injection into bubble column reactors
06/11/1998WO1998024749A1 Method and apparatus for preparing purified terephthalic acid
06/10/1998EP0684863B1 Separation process
06/10/1998CN1184099A Refining method of para-tert-butyl benzoic acid
06/09/1998US5763680 Separation of phosphorus acidic compounds from reaction product fluids by treating with water, treating water with ion exchange resins
06/09/1998US5763679 Metal-ligand complex catalyzed processes
06/09/1998US5763677 Hydroformylation processes
06/09/1998US5763671 Separating phoshorous acidic compounds
06/09/1998US5763670 Hydroformylation processes
06/09/1998CA2128719C Production method of high purity isomers of benzenedicarboxylic acids
06/03/1998CN1183403A Liquid crystal compound contg. cyclohexyl and perfluoro benzene ring and preparing process thereof
06/03/1998CN1038580C Process for production of terephthalic acid
06/02/1998US5760276 Aryl-and heteroarylcyclohexenyl substituted alkenes having retinoid agonist, antagonist or inverse agonist type biological activity
06/02/1998CA2158632C Catechol diether compounds as inhibitors of tnf release
05/1998
05/27/1998CN1183093A Process for preparation of esters of stilbenedicarboxylic acid
05/26/1998US5756834 Process for preparing fluorinated aromatics
05/26/1998US5756000 Water soluble, fluorine-free surfactants
05/20/1998CN1038409C Process for production of terephthalic acid
05/12/1998US5750731 Perfluorinated aromatic compounds
05/12/1998CA2205045A1 Factors and methods for reducing biological activity of a multimeric protein and methods of screening therefor
05/07/1998CA2268916A1 Integrin antagonists
05/07/1998CA2267413A1 Production of aromatic carboxylic acids
05/05/1998US5746998 Targeted co-polymers for radiographic imaging
04/1998
04/29/1998EP0837842A1 Methods and devices for making intermediate oxidation products by controlling conversions and temperatures in an atomized liquid
04/28/1998US5744650 Using metal-organopolyphosphite ligand complex catalyst and controlling carbon monoxide partial pressure and temperature
04/28/1998US5744649 Catalysts
04/28/1998US5744638 Treatment of halo carboxylic acid with ammonia using copper catalyst
04/21/1998US5741945 Processes employing indicator ligands
04/21/1998US5741944 Hydroformaylation processes
04/21/1998US5741943 Using steric hindered organophosphorus ligand
04/21/1998US5741927 Separation process
04/15/1998EP0655051B1 Process for preparing phenylterephthalic acid
04/09/1998WO1998014420A1 Method of refining benzoic acid
04/09/1998DE19712339C1 Preparation of 2'-substituted 4-bromo-methyl-bi:phenyl compounds
04/08/1998EP0834499A1 Process for the preparation of aromatic vinyl compounds
04/08/1998CN1178139A Catalyst for producing benzoic anhydride
04/01/1998EP0832081A1 Bicyclic-aromatic compounds
04/01/1998EP0832057A1 Diaromatic propynyl or dienyl compounds
04/01/1998CN1177590A Method for production of aromatic carboxyl acid
03/1998
03/31/1998US5734073 Halogenation reactions
03/24/1998US5731473 Hydroformylation, carbon dioxide
03/17/1998US5728893 Process using multistaged reactors
03/05/1998WO1998008605A1 Catalyst recovery
03/03/1998US5723659 Catalytic hydrogenation after catalytic oxidation of alkylaromatic compounds
03/03/1998US5723658 Process for the preparation of salts of substituted or unsubstituted phthalic acids
03/03/1998US5723656 Process for preparing aromatic carboxylic acids with efficient energy recovery
03/03/1998US5723648 Intermediates for anti-microbial benzoheterocyclic compounds
03/03/1998US5723620 Acetylenes disubstituted with a 5 substituted tetrahydronaphthyl group and with an aryl or heteroaryl groups having retinoid-like biological activity
03/03/1998US5723613 Process for the free-radical chlorination or bromination of methyl aromatic compounds
03/03/1998US5723499 Polycyclic aromatic compounds and pharmaceutical/cosmetic compositions comprised thereof
02/1998
02/26/1998WO1998007682A1 Substituted trifluorobenzoic acids, esters thereof, and process for producing the same
02/25/1998EP0824653A1 Effluent gas treatment
02/18/1998EP0823894A1 Azocompounds for the antemortem diagnosis of alzheimer's disease and in vivo imaging and prevention of amyloid deposition
02/11/1998EP0823413A2 Benzoheterocyclic compounds
02/04/1998EP0822176A2 Process for producing highly pure terephthalic acid by use of dispersion medium replacement apparatus
01/1998
01/29/1998WO1998003470A1 Novel method for preparing aromatic amides and intermediates therefor
01/27/1998US5712093 RXR homodimer formation
01/14/1998EP0818435A1 Process for the decarboxylation of aromatic carboxylic acids
01/14/1998EP0818434A2 Process for the production of high-purity isophthalic acid
01/14/1998CN1170400A Improved process for purification of aromatic polycarboxylic acids
01/06/1998US5705682 Process for producing highly pure terephthalic acid
01/06/1998CA2061559C Cyclopentadiene type compounds and method for making
12/1997
12/31/1997WO1997049485A1 Methods and devices for oxidizing a hydrocarbon to form an acid
12/31/1997CA2258015A1 Methods and devices for oxidizing a hydrocarbon to form an acid
12/29/1997EP0813515A1 Process for the preparation of esters of stilbenedicarboxylic acid
12/23/1997US5700938 Chemical intermediates for hypotensive agents
12/23/1997US5700836 Topically administering to treat photodamaged skin
12/17/1997CN1168131A Method for purifying crude naphthalenedicarboxylic acid
12/16/1997US5698755 Process for preparing aromatic olefins using palladacycle catalysis
12/16/1997US5698734 Subjecting an aqueous solution of crude product to hydrogenation to reduce impurities followed by isolation via crystallization, washing and centrifuging; pollution control
12/10/1997CN1167106A Method for synthesizing pyruvate by lactate catalyzing
12/09/1997US5696285 Production of terephthalic acid with excellent optical properties through the use of pure or nearly pure oxygen as the oxidant in p-xylene oxidation
12/09/1997US5696162 Phenyl or heteroaryl and tetrahydronaphthyl substituted diene compound having retinoid like biological activity
12/09/1997CA2124731C Metallocenes and processes therefor and therewith
12/09/1997CA1339574C Process for the preparation of high-purity 5,5'-[2,2,2,- trifluoro-1- (trifluoromethyl)-ethylidene]bis-1,3-isobenzofurandione
12/03/1997EP0809622A1 Anti-inflammatory benzoic acid derivatives
12/03/1997CN1166834A Benzopyram and benzo-fused compounds, their preparation and their use as leukotriene B4'(LTB4) antagonists
12/02/1997US5693856 Production of terephthalic acid
11/1997
11/27/1997WO1997044307A1 Naphthalenedicarboxylic acid particles and process for the production thereof
11/27/1997CA2241182A1 Naphthalenedicarboxylic acid particles and process for the production thereof
11/26/1997EP0808817A1 Process for preparing halogenated phthalic acids and their derivatives
11/20/1997WO1997043241A1 Substituted ethylene compounds and drugs
11/19/1997EP0807099A1 Process for preparing nucleus-halogenated benzoyl chlorides
11/12/1997EP0805795A1 Novel aromatic amides, method for preparing and compositions containing same, and use thereof as pesticides
11/11/1997US5686638 Process for the preparation of mono- or dicarboxylic acids from aldehydes, from their full acetals or hemiacetals or from mixtures thereof
11/11/1997US5686586 Polycyclic aromatic derivatives, process for preparing the same and pharmaceutical and cosmetic compositions containing the same
11/11/1997US5686055 Process for recovering phthalic anhydride and hydrogen chloride from plastic materials
11/05/1997EP0805140A1 Process for producing 4,5-dichloro-2-methylbenzoic acid
11/05/1997CN1163882A Optimization of water content in oxygen-based oxidation of P-xylene
1 ... 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 ... 66