Patents
Patents for C07C 15 - Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic part (13,158)
07/1997
07/02/1997CN1153159A Process for dehydrogenation of ethylbenzene to styrene
06/1997
06/25/1997EP0780354A1 Process for the alkylation of aromatic compounds
06/19/1997CA2273983A1 Process for the preparation of 9-deazaguanine derivatives
06/18/1997CN1152263A Zeolite SSZ-41
06/11/1997CN1151732A Tri-substituted phenyl derivates useful as PDE IV inhibitors
06/11/1997CN1151391A Process for production of phenol
06/10/1997US5637783 Hydrogenated, functionized conjugated dienes block polymers
06/10/1997US5637736 Process for preparing 1-bromoalkylbenzene derivatives and intermediates thereof
06/03/1997US5635308 Stable, durable organic electroluminescent elements
06/03/1997US5635108 Liquid crystalline compound having conjugated carbon chain and liquid crystal composition containing
05/1997
05/29/1997WO1997019042A1 Liquid-crystal compounds bearing vinyl linkages and liquid-crystal composition
05/28/1997DE19648155A1 Single stage, inexpensive preparation of deuterated compound
05/27/1997US5633415 Dispersants and dispersant viscosity index improvers from selectively hydrogenated polymers
05/21/1997EP0610468B1 Method of making molecular sieves
05/14/1997EP0696936B1 Dehydrogenation catalyst having improved moisture stability, and process for making and using the catalyst
05/13/1997US5629467 Process and apparatus for the separation of p-xylene in C8 aromatic hydrocarbons with a simulated moving bed adsorption and a crystallization
05/07/1997EP0737175A4 Naphthalene alkylation process using mixed h/nh3 form catalyst
05/07/1997EP0735995A4 Naphthalene alkylation with partial rare earth exchanged catalyst
05/07/1997CN1148993A Comprehensive purifying apparatus for waste acetone and toluene solvant
05/02/1997EP0770065A1 Tri-substituted phenyl derivates useful as pde iv inhibitors
05/02/1997EP0769984A1 Zeolite ssz-41
04/1997
04/30/1997CN1034729C Method for extracting crude anthracene from anthracene oil
04/29/1997US5625104 Alkali metal ion exchanged selectivated zeolite catalyst
04/29/1997US5625102 Method of alkylating the side chain of alkyl-substituted aromatic hydrocarbons
04/29/1997US5625100 Vulcanizable liquid compositions
04/29/1997US5624656 Zeolite L preparation
04/23/1997EP0769005A2 Pla 2? inhibitors and their use for inhibition of intestinal cholesterol absorption
04/23/1997EP0768996A1 Catalyst and process for the catalytically oxidative dehydrogenation of alkyl aromatics and paraffins
04/23/1997CN1034658C Process for preparing alkylbenzene
04/17/1997WO1997013821A1 Fluorine-substituted alkenyl liquid crystalline compounds
04/16/1997EP0767776A1 Oligomer liquid crystal triphenylene derivatives and their use as charge carrying substances in electrophotography
04/16/1997EP0767768A1 Haloalkylation process
04/16/1997EP0767767A1 Catalyst and process for the catalytic oxidising dehydrogenation of alkyl aromatics and paraffins
04/16/1997CN1147496A Preparation of diarylethanes
04/16/1997CN1147422A Zeolite catalysts and various processes carried out in pressure of said zeolite catalysts
04/09/1997EP0767171A1 Process stream treatment
04/09/1997EP0766669A1 Tri-substituted phenyl derivatives useful as pde iv inhibitors
04/03/1997WO1997011764A1 Distillation of vinylaromatic monomer
04/03/1997CA2232954A1 Distillation of vinylaromatic monomer
04/02/1997EP0765927A1 Method for producing beta-methylnaphthalene
04/02/1997EP0765850A1 Process for the preparation of para-xylene from an effluent of the paraselective dismutation of toluene by a cristallisation process linked to adsorption in a simulated moving bed
04/02/1997EP0765849A1 Aromatic hydrocarbons alkylation and liquid-solid circulating fluidized bed for alkylation
03/1997
03/28/1997CA2186082A1 Method for producing .beta.-methylnaphthalene
03/27/1997WO1997011081A1 Modified fluorosulfonic acids
03/27/1997WO1997010898A1 Method of producing selective-dehydrogenation catalysts, and catalysts produced in this way
03/27/1997DE19535416A1 Verfahren zur Herstellung von Katalysatoren für selektive Dehydrierungen Process for the preparation of catalysts for selective dehydrogenation
03/26/1997EP0764622A1 Process for the hydrogenolysis of C-O and C=O bounds in organic substances
03/26/1997EP0764467A1 Narrow pore size distribution monomodal and polymodal catalysts and catalyst carriers, and their manufacture
03/26/1997CN1145910A Concurrent "Feiding" and corn pulp producing process using corn-soaked water
03/26/1997CN1034325C Zeolites
03/24/1997CA2186059A1 Process for the hydrogenolysis of c-o and c=o bonds in organic substances
03/20/1997WO1997010193A1 Ethynyl substituted aromatic compounds, synthesis, polymers and uses thereof
03/20/1997CA2231726A1 Ethynyl substituted aromatic compounds, synthesis, polymers and uses thereof
03/19/1997EP0763003A1 Crystallization of paraxylene from high purity paraxylene feeds
03/19/1997EP0763001A1 Selective production of para-dialkyl substituted benzenes
03/19/1997CN1034276C Method for prepn. of C100-C16 Olefine hydrocarbons and phenyl alkylate
03/18/1997US5611915 Process for removal of heteroatoms under reducing conditions in supercritical water
03/05/1997CN1144217A Retinoid-like compounds
03/05/1997CN1144091A Compounds having retinoid-like activity
03/04/1997US5608132 Method of alkylating the side chain of alkyl-substituted aromatic hydrocarbons
02/1997
02/19/1997CN1142986A Preparation of modified macro-porous zeolite catalyst and synthetic isopropyl aromatic hydrocarbon
02/19/1997CN1034069C Process and device for separation of para-xylene from octa-arene by adsorption and crystallization with analogue movable bed
02/12/1997EP0643678B1 Production of ethyltoluene
02/11/1997US5602290 Pretreatment of dilute ethylene feedstocks for ethylbenzene production
02/11/1997US5602108 Antitumor agents
02/11/1997US5601755 Dielectrics comprising methyl/benzyl derivatives of diphenylmethane
02/05/1997CN1142201A Supported lewis acid catalysts for hydrocarbon covnersion reactions
02/04/1997US5600049 Process for depropanizing benzene
02/04/1997US5600048 Continuous process for preparing ethylbenzene using liquid phase alkylation and vapor phase transalkylation
02/04/1997US5600046 Combination dehydrocyclodimerization and dehydrogenation process for producing aromatic and olefin products
02/04/1997US5599522 Triarylmethyl radicals and the use of inert carbon free radicals in MRI
01/1997
01/29/1997EP0755717A1 Mordenite zeolite catalysts modified with cerium and use thereof for the isomerisation of an aromatic C8 fraction
01/29/1997EP0755706A1 Process and apparatus for reactive distillation with particular distribution of the liquid and vapour phases
01/23/1997WO1997002225A1 Manufacturing of 2,6-dimethylnaphthalene
01/23/1997WO1997002224A1 Vinylaromatic and cyclic aliphatic monomer purification process
01/22/1997EP0754169A1 Single temperature stage crystalization to recover paraxylene
01/16/1997WO1997001536A1 4-aryl-1-phenylalkyl-1,2,3,6-tetrahydropyridines having neurotrophic and neuroprotective activity
01/15/1997EP0753498A1 Process for the preparation of diarylethanes
01/15/1997EP0752914A1 Supported lewis acid catalysts for hydrocarbon conversion reactions
01/15/1997CN1140161A Process for dehydrogenation of ethylbenzene to styrene
01/15/1997CN1140160A Liquid crystalline compound having conjugated carbon chain and liquid crystal composition containing the same
01/14/1997CA2004509C Liquid phase alkylation or transalkylation process using zeolite beta
01/09/1997WO1997000925A1 Method for monomer recovery
01/09/1997CA2222284A1 Method for monomer recovery
01/08/1997EP0752405A2 Process for the production of phenol
01/08/1997EP0752402A1 Process for dehydrogenation of ethylbenzene to styrene
01/08/1997CN1139659A C8 uromatic compound isomerizate of catalyst using molecular sieve containing modified silico-aluminium phosphate
01/08/1997CN1139658A Transalkylation of polyalkylaromatic hydrocarbons
01/07/1997US5591421 Zeolite SSZ-41
01/07/1997US5591322 Catalysis
01/02/1997EP0671978B1 Improved method of regenerating deactivated catalyst
12/1996
12/31/1996US5589103 Mesomorphic compound, liquid crystal composition containing same, and liquid crystal device using same
12/25/1996CN1033619C A distilling process and plant of catalytic reaction
12/19/1996WO1996040846A1 Dispersants and dispersant viscosity index improvers from selectively hydrogenated polymers
12/19/1996WO1996040845A1 Dispersants and dispersant viscosity index improvers from selectively hydrogenated polymers
12/19/1996DE4042655C2 Synthetic crystalline aluminosilicate, useful as catalyst
12/19/1996CA2222699A1 Dispersants and dispersant viscosity index improvers from selectively hydrogenated polymers
12/19/1996CA2221461A1 Dispersants and dispersant viscosity index improvers from selectively hydrogenated polymers
12/18/1996EP0748784A1 Process for the preparation of alkylated aromatic compounds
12/18/1996EP0748305A1 Catalyst and process for alkylation of aromatics