Patents
Patents for C07C 63 - Compounds having carboxyl groups bound to carbon atoms of six-membered aromatic rings (6,553)
12/1998
12/15/1998US5849934 Method for preparing aromatic compounds
12/15/1998US5849796 Ortho-substituted benzoil acid derivatives
12/09/1998CN1200875A Controlled-release composition
12/02/1998EP0881545A1 Positively-chargeable charge control agent and toner for developing electrostatic images
12/02/1998EP0881208A1 Naphthalenedicarboxylic acid particles and process for the production thereof
12/02/1998EP0880892A1 Controlled release compositions
11/1998
11/28/1998CA2238230A1 Controlled release compositions
11/25/1998EP0879814A1 Triaromatic compounds, compositions containing them and uses thereof
11/25/1998EP0879641A1 Hydrogenation catalyst comprising palladium deposited on activated carbon
11/25/1998EP0879223A1 Aromatic polycyclic retinoid-type derivatives, method for preparing same, and use thereof for making pharmaceutical and cosmetic compositions
11/24/1998US5840975 Process for preparing nucleus-halogenated benzoyl chlorides
11/24/1998US5840968 Filtering liquid dispersion, dissolving filter cake in selective crystallization solvent, crystallizing, separating product, redissolving, recrystallizing, washing with water, soaking in water, filtering, drying
11/24/1998US5840643 Recovery of oxidation catalysts used for the production of trimellitic acid
11/19/1998WO1998051654A1 Catalytic oxidative process for preparing carboxylic acids from alcohols or aldehydes
11/19/1998CA2288688A1 Catalytic oxidative process for preparing carboxylic acids from alcohols or aldehydes
11/17/1998US5837725 Controlling cell differentiation
11/17/1998US5837162 Cyclic ethers for liquid crystal displays
11/11/1998EP0876324A1 Process for manufacturing terephthalic acid
11/11/1998EP0876322A1 Improved metal-ligand complex catalyzed processes
11/10/1998US5834468 Substituted aryl and heteroaryl compounds as E-type prostaglandin antagonists
11/05/1998WO1998049136A1 Retinoid-like compounds
11/04/1998EP0875517A1 Novel homopolymers of propylene exhibiting more than 50% syndiotacticity and more than 50 wt-% xylene solubles
11/04/1998EP0874797A1 Processes employing indicator ligands
10/1998
10/29/1998WO1998047969A1 Alkyl, alkenyl and alkynyl chrysamine g derivatives for the antemortem diagnosis of alzheimer's disease and in vivo imaging and prevention of amyloid deposition
10/29/1998WO1998047854A1 Trisubstituted phenyl derivatives having retinoid agonist, antagonist or inverse agonist type biological activity
10/29/1998CA2286681A1 Trisubstituted phenyl derivatives having retinoid agonist, antagonist or inverse agonist type biological activity
10/29/1998CA2286607A1 Alkyl, alkenyl and alkynyl chrysamine g derivatives for the antemortem diagnosis of alzheimer's disease and in vivo imaging and prevention of amyloid deposition
10/28/1998EP0873296A1 Process for manufacturing terephthalic acid
10/28/1998EP0873295A1 Dimer-selective rxr modulators and methods for their use
10/28/1998CN1040424C Process for the prodn. of terephthalic acid
10/22/1998WO1998046562A1 A process for the preparation of 4-bromomethyl diphenyl compounds
10/22/1998WO1998046547A1 Process for preparing 2-aryl-substituted indenes
10/22/1998CA2258747A1 Process for preparing 2-aryl-substituted indenes
10/21/1998EP0872476A2 Herbicidal substance based on 2,6-dichloro-3-fluoro-benzonitrile and new intermediate compounds
10/21/1998EP0871603A1 Process for manufacturing terephthalic acid
10/21/1998CN1196349A Method of controlling quality of terephthalic acid
10/20/1998US5824819 Making dibasic acids, such as adipic acid, by oxidizing hydrocarbon, such as cyclohexane, with oxygen in a two stage process
10/20/1998US5824817 Herbicidal compositions based on 2,6-dichloro-3-fluoro-benzonitrile, and new intermediates
10/20/1998US5824484 RXR homodimer formation
10/15/1998WO1998045252A1 Aromatic amides, their preparation process and their use as pesticides
10/15/1998WO1998045242A1 Retinoid activity regulators
10/14/1998EP0870525A1 A method for recovering sublimable material
10/14/1998CN1195660A Comprehensive utilization of terephthalic acid residual liquid
10/14/1998CN1195577A Direct oxygen injection into bubble column reactors
10/13/1998US5821264 Used in foodstuffs and dietary supplements to decrease lipoprotein concentration or increase feed conversion
10/08/1998WO1998043937A1 Composition and method for reducing fouling in process equipment used for manufacturing aromatic materials
10/07/1998CN1194970A Process and apparatus for producing aromatic polycarboxylic acid
10/06/1998US5817862 Reacting chlorinated aromatic compound and acrylic aid derivative in presence of a palladium catalyst and a phosphine compound
10/01/1998WO1998042649A1 Process for preparing 2,6-naphthalenedicarboxylic acid
09/1998
09/30/1998EP0867433A1 Process for producing 4-bromomethyl-biphenyl compounds
09/25/1998CA2233055A1 Process for the preparation of 4-bromomethylbiphenyl compounds
09/22/1998US5811576 1-carboxy-2-loweralkyl-3,4,6-tri(halo)benzenes; grampositive and-negative bacteria; infections; sterilization of medical equipment
09/16/1998EP0863931A2 Poly(9,9'-spiro-bisfluorenes), the production and use of same
09/16/1998CN1193313A Propynyl or dienyl diaromatic compounds
09/15/1998US5808083 Acetylenes disubstituted with a 5 alkyl, aryl or heteroaryl substituted dihydronaphthyl group and with an aryl or heteroaryl group having retinoid-like biological activity
09/15/1998CA2117031C Silyl bridged metallocenes and use thereof
09/15/1998CA2067525C Organometallic fluorenyl compounds, preparation and use
09/15/1998CA2052368C Perfluorinated polyimide, perfluorinated poly(amic acid), starting compounds therefor, and methods for preparing them
09/11/1998WO1998039284A1 Aryl- and heteroarylcyclohexenyl substituted alkenes having retinoid agonist, antagonist or inverse agonist type biological activity
09/11/1998CA2283415A1 Aryl- and heteroarylcyclohexenyl substituted alkenes having retinoid agonist, antagonist or inverse agonist type biological activity
09/09/1998EP0862604A1 Use of organic compounds present in the liquid-crystalline phase discotic in a plastic-columnar manner for conveying electrical charges
09/03/1998WO1998038150A1 Production of terephthalic acid
09/03/1998WO1998037967A1 Method for producing shell catalysts for catalytic gas-phase oxidation of aromatic hydrocarbons
09/02/1998CN1192262A Effluent gas treatment
09/02/1998CN1192198A Method and apparatus for preparing purified terephthalic acid
09/01/1998US5801253 Retinoic acid X-receptor ligands
08/1998
08/26/1998EP0859812A1 Process for improving color of basic metal organic salts and stabilizing halogen-containing polymers therewith
08/26/1998EP0859608A1 Treating niddm with rxr agonists
08/25/1998US5798354 Cosmetic, therapy
08/25/1998CA2119629C Bis fluorenyl metallocenes and use thereof
08/19/1998EP0858989A1 Method of controlling the quality of terephthalic acid
08/19/1998EP0858835A1 Oxidation catalytic system and oxidation process
08/19/1998CN1190950A Methods and device for making intermediate oxidation products by controlling conversions and temperatures in an atomized liquid
08/12/1998EP0857170A1 Method and apparatus for preparing purified terephthalic acid
08/12/1998CN1190394A Bicyclic-aromatic compound
08/12/1998CA2228396A1 Method of controlling the quality of terephthalic acid
08/11/1998US5792892 Bromination in the presence of aluminum chloride and bromine and chlorine
08/11/1998US5792887 Noncatalytic monodecarboxylation of a halogen substituted terephthalic acid using a polar aprotic liquid medium
08/05/1998CN1189816A Azocompounds for the antemortem diagnosis of alzheimer's disease and in vivo imaging and prevention of amyloid depositon
08/04/1998US5789434 Derivatives of substituted 4-biarylbutyric acid as matrix metalloprotease inhibitors
07/1998
07/30/1998WO1998032430A1 Fluoroether compositions and methods for inhibiting their degradation in the presence of a lewis acid
07/30/1998CA2626424A1 Fluoroether compositions and methods for inhibiting their degradation in the presence of a lewis acid
07/29/1998EP0723532B1 Process for recovering dicarboxylic acid with reduced impurities from polyester polymer
07/29/1998CN1039315C Process for production of purified terephthalic acid
07/28/1998CA2149058C Enhanced oxidation of organic chemicals
07/23/1998WO1998031678A1 Preparation of perylene-3,4-dicarboxylic anhydrides
07/23/1998WO1998031654A1 Aromatic tetracyclic compounds of the retinoid type, method for preparing and use
07/23/1998CA2277042A1 Aromatic tetracyclic compounds of the retinoid type, method for preparing and use
07/22/1998EP0854128A1 Process for the preparation of chloro-benzoyl chlorides
07/22/1998EP0853610A2 Synthesis and use of retinoid compounds having negative hormone and/or antagonist activities
07/16/1998WO1998030076A1 Humic concentrate and process for its production, equipment for the electrochemical production of the humic concentrate, water purification process, process for the dehydration of viscous-flow fluids, process for the detoxification of organic compounds, process for the utilization of wastewater sediments, process for the fo
07/16/1998DE19700990A1 Die ausbalancierte Decarboxylierung von aromatischen Polycarbonsäuren - eine einstufige Synthese von Perylen-3,4-dicarbonsäureanhydrid The balanced decarboxylation of aromatic polycarboxylic acids, - a one-step synthesis of perylene-3,4-dicarboxylic anhydride
07/15/1998EP0807099B1 Process for preparing nucleus-halogenated benzoyl chlorides
07/14/1998US5780676 Bicyclic benzyl, pyridinyl, thiophene, furanyl, pyrrole, and polyenoic acid derivatives
07/14/1998CA2133365C Terephthalic acid production
07/07/1998US5777181 2, 4, 5-trihalogeno- and 2, 3, 4, 5-tetrahalogenobenzene derivatives
07/07/1998US5777161 Process for producing highly pure terephthalic acid by use of dispersion medium replacement apparatus
07/07/1998US5776699 Method of identifying negative hormone and/or antagonist activities
07/01/1998CN1186063A Separation of isomers of chloro-benzoic anhydride
06/1998
06/30/1998US5773651 Process for the preparation of fluorine-containing chemical compounds
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