Patents
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Patents for C07C 63 - Compounds having carboxyl groups bound to carbon atoms of six-membered aromatic rings (6,553)
12/1989
12/06/1989EP0344775A1 Process for producing 4-benzoyl-5-hydroxypyrazoles
12/05/1989US4885386 Process for the synthesis of 3-chloro-2,4,5-trifluorobenzoic acid
12/05/1989US4885384 Using palladium catalyst and bronsted base
11/1989
11/30/1989WO1989011323A1 Process for recovering crystals from slurry
11/28/1989US4883916 Anticholesterol, antiarterioscelerosis
11/23/1989EP0342849A2 Intermediates for preparing 1,4-dihydro-4-oxo-quinoline-3-carboxylic acid esters
11/22/1989CN1037327A Process for preparation of 2,3-difluorobenzenes
11/15/1989EP0341813A1 Reactor and Process for the oxidation of alkyl aromatic compounds to aromatic carboxylic acids.
11/15/1989EP0341551A1 Alkenoic acid derivatives
11/14/1989US4880894 Quaternary ammonium salts used as phase transfer catalyst
11/14/1989CA1262910A1 Substituted hexatriene derivatives, their preparation and use
11/08/1989EP0182872B1 A process for the preparation of cyclobutene-substituted aromatic hydrocarbons
11/08/1989CN1037026A Seal for rotatable shaft
11/08/1989CN1036948A Method for reactivating group viii noble metal catalyst for use in purification of crude terephthalic acid
11/07/1989CA1262718A1 Process for the production of catalytically-active metallic glasses
11/02/1989EP0339455A2 Process for preparing biaryl compounds
11/01/1989CN1036756A Method and apparatus for increasing yield and product quality while reducing power costs in oxidation of aromatic alkyl to aromatic carboxylic acid
10/1989
10/31/1989US4877900 Process for preparing terephthalic acid of high quality
10/24/1989US4876387 Forming amine salt of 4,5-difluoroanthranilic acid, diazotization, decomposition
10/24/1989US4876381 Naphthalene derivatives possessing a retinoid-type action, processes for their preparation, and medicinal and cosmetic compositions containing these derivatives
10/18/1989EP0337210A1 Process for the preparation of carboxylic-acid halides
10/10/1989US4873366 Process for producing 2,6-naphthalenedicarboxylic acid
10/05/1989WO1989009357A1 Seal for rotatable shaft
10/04/1989EP0335501A1 Method for reactivating a group VIII noble metal catalyst for use in the purification of crude terephthalic acid
09/1989
09/26/1989CA1261845A1 Method for oxidizing groups to carboxylic acids under basic conditions
09/26/1989CA1261837A1 4-vinylbenzoic acid derivatives; process for preparing the same and their use as ligands and therapeutic agents
09/26/1989CA1261328A1 Triazine compounds having cardiovascular activity
09/26/1989CA1260481A1 Poly(arylcyclobutenes)
09/21/1989WO1989008634A1 Process for the carbonylation of iodoaromatic compounds
09/21/1989WO1989008629A1 Process for preparing 2,3-difluorobenzenes
09/19/1989US4868347 Process for obtaining substituted fluorobenzenes
09/19/1989US4868209 Agricultural insecticides, cyclopropane carboxylic acids
09/12/1989US4866078 Phenyl pyridones and insectidal use thereof
09/05/1989US4864034 Spiro(bis)indane bis-oxyphthalic acids and functional derivatives thereof
09/05/1989US4863640 Polyimide precursors
08/1989
08/23/1989EP0329273A2 Process for producing 2,6-naphthalene dicarboxylic acid
08/23/1989EP0328766A1 Process for the preparation of aromatic dicarboxylic acids
08/22/1989US4859697 Substituted acenaphthenes and their use as inhibitors of phospholipase A2
08/15/1989US4857658 Preparation of (Z)-2-(2-arylethenyl)arylcarboxylic acids
08/09/1989EP0326891A2 Antibacterial agents
08/09/1989EP0326706A1 Spiro(bis)indane bis-oxyphthalic acids and functional derivatives thereof
08/08/1989US4855517 Reacting aromatic nitro compounds with bromine in the gas phas e
08/02/1989CN1034363A Method of separation of the residues from commercial terephthalic acid production
08/01/1989US4853479 Process for the manufacture of aromatic dicarboxylic acids and derivatives thereof
07/1989
07/27/1989WO1989006649A2 Antibacterial agents
07/25/1989US4851538 Coupling a haloaromatic compound using carbon monoxide, an alkaline medium and a supported palladium catalyst; efficiency; kinetics
07/25/1989US4851160 Process for the preparation of benzoic acid derivatives
07/19/1989EP0324342A1 Process for producing 2,6-naphthalene dicarboxylic acid
07/05/1989EP0323309A2 Process for the preparation of naphthalene dicarboxylic acids
07/05/1989EP0322738A2 Benzylidene-malononitrile derivatives for the inhibition of proliferative processes in mammalian cells
07/05/1989CN1033619A Process for exchanging dispersing medium of terephthalic acid slurry
07/04/1989US4845275 Oxidation of pseudocumene, catalyst
07/04/1989US4845274 To corresponding acid, cobalt, manganese, bromine catalyst
07/04/1989CA1256894A1 Naphtalenic derivatives, their preparation, and cosmetic composition including same
06/1989
06/27/1989CA1256378A1 Pharmaceutical composition containing at least one naphtalenic derivative as active principle
06/21/1989EP0321272A1 Process for exchanging dispersing medium of terephthalic acid slurry
06/06/1989CA1255330A1 Process for the preparation of 2,4-dichloro-5-fluoro- benzoic acid
05/1989
05/31/1989EP0318399A2 Process for the manufacture of dicarboxylic acids
05/31/1989EP0317846A1 Pharmaceutical and cosmetical compositions based on benzoyl peroxide and lipophilic quaternary ammonium salicylates and their use, in particular in treating acne
05/30/1989US4835308 Process for producing trimellitic acid
05/24/1989DE3738890A1 Heterosubstituierte phenyl-hydroxamsaeuren und ihre verwendung Heteroatom-substituted phenyl hydroxamic acids and their use
05/23/1989US4833240 Skin disorders; antiinflammatory agents; antialllergens; antitumor agents; ophthalmology
05/16/1989US4831189 Process for producing aromatic dicarboxylic acids
05/10/1989EP0315517A1 Process for producing carboxylic-acid chlorides
05/10/1989EP0315100A2 Process for producing 2,6-naphthalenedicarboxylic acid from 2,6-diisopropylnaphthalene
05/10/1989EP0315071A2 Benzocyclohepten derivatives, their preparation and utilisation for pharmaceutics
05/09/1989US4828765 Water flow through a pipe
05/02/1989US4827025 Oxidizing an alkyl aromatic compound with a heavy and-or bromine compound catalyst
05/02/1989US4826990 2-aryl substituted heterocyclic compounds as antiallergic and antiinflammatory agents
05/02/1989US4826969 Bicyclic naphthalenic derivatives, a process for preparing the same and human or veterinary medicines and cosmetic compositions containing said derivatives
05/02/1989CA1253518A1 Hydroterphenyls
04/1989
04/25/1989US4824992 Oxidizing trimethylbenzaldehyde, ions of bromine, manganese and iron
04/20/1989WO1989003374A1 Process for preparing 2-acetonaphthones
04/18/1989US4822912 Process for the preparation of 2,3,5,6-tetrafluorobenzoic acid
04/11/1989US4820873 Antitumor agents
04/05/1989EP0310370A1 2-aryl substituted heterocyclic compounds as antiallgeric and anti-inflammatory agents
04/04/1989CA1252106A2 Halogenated protease inhibitors
03/1989
03/23/1989WO1989002427A1 Processes for preparing 3,4-dihydro 2-naphthanoic acid and 2-naphthanoic acid and esters thereof
03/22/1989EP0307897A1 Trifluorobenzene compounds and process for producing the same
03/21/1989US4814508 Polyether ketone copolymers, lewis acids, lewis bases
03/21/1989US4814497 Dehalogenation process
03/15/1989EP0306804A2 Process for the preparation of substituted benzyl trichlorides
03/07/1989US4810694 Skin disorders
02/1989
02/28/1989US4808751 Washing the hydrogenation catalyst with hot and cold water and concentrated and diluted naoh solutions
02/21/1989US4806671 Substituted acenaphthenes and their use as inhibitors of phospholipase A2
02/21/1989US4806558 Diarylacetylenes and their use in treating acne
02/21/1989US4806286 Catalysis with guanidinium salt; pesticides, polymerization catalysts
02/15/1989EP0303291A2 Fluorinated benzoyl compounds
02/15/1989CN1031074A Composition of 2,4-dichloro-5-fluoro-benzoic acid
02/14/1989US4804670 Substituted hexatriene derivatives and their use in treating acne and psoriasis
01/1989
01/31/1989US4801718 Thiaiazolyl benzamides
01/26/1989WO1989000452A1 Catalyst composition and method for selective dehydrogenation
01/25/1989EP0300922A1 Process for the manufacture of derivatives of benzoic acid
01/25/1989EP0300921A1 Process for the manufacture of benzoic acid and salts thereof
01/17/1989US4798911 Sulfur-free palladium and copper on carbon support
01/11/1989CN1030237A Benzoheterocyclic compounds
12/1988
12/20/1988CA1247132A1 2,6-disubstituted naphthalene derivatives and process for preparing the same
12/20/1988CA1247131A1 Process for preparing compounds containing a difluoromethylene or a trifluoromethyl group
12/20/1988CA1247123A1 Polysubstituted derivatives of naphtalene, and their preparation
12/13/1988US4791225 Halogenobenzoic acid derivatives and their preparation
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