Patents
Patents for C07C 13 - Cyclic hydrocarbons containing rings other than, or in addition to, six-membered aromatic rings (6,421)
05/1997
05/20/1997US5631335 Catalytic addition polymerization to form polypropylene
05/14/1997EP0773205A1 Bridged cyclopentadienyl derivatives and process for their preparation
05/14/1997EP0773204A2 Process for the preparation of an indene and use thereof for the preparation of metallocenes
05/14/1997CN1149572A Cyclopentadienyl derivative and its preparing method
05/06/1997US5627247 Organometallic fluorenyl compounds and use thereof in olefin polymerization
05/06/1997US5627118 Catalysts for olefin polymerization
05/02/1997EP0770587A2 Process for the production of an indene compound and its use for the production of a metallocene catalyst
04/1997
04/29/1997US5624879 Method of preparing isomerization catalyst
04/29/1997US5624656 Zeolite L preparation
04/23/1997CN1148038A Process for synthesizing carbon-bridged dicyclic pentylene compound
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
04/16/1997EP0767772A1 Novel chiral cyclohexyl compounds
04/16/1997EP0587716B1 Catalyst and its use for the isomerisation of olefins
04/16/1997CN1147829A Supertwist liquid crystal display
04/16/1997CN1147822A Reactor blend polypropylene, process for the preparation thereof and process for preparing metallocene ligands
04/16/1997CN1034569C Endothelin receptor antagonists
04/09/1997EP0680462B1 Thermally stable fullerene derivates and process for producing the same
04/02/1997EP0665826B1 Process for the cyclodimerization of 1,3-butadienes to 4-vinylcyclohexenes
04/01/1997US5616752 Metallocenes and processes therefor and therewith
03/1997
03/27/1997DE19533850A1 Photovoltaische Zelle A photovoltaic cell
03/26/1997CN1146195A Azeotropic composition
03/20/1997WO1997010617A1 Photo-voltaic cell
03/20/1997WO1997010193A1 Ethynyl substituted aromatic compounds, synthesis, polymers and uses thereof
03/20/1997DE19637433A1 New metal-encapsulated fullerene derivs.
03/20/1997CA2231726A1 Ethynyl substituted aromatic compounds, synthesis, polymers and uses thereof
03/19/1997CN1145223A Endothelin receptor antagonists
03/12/1997EP0650513B1 Refrigerant compositions including 1,1,2,2-tetrafluoroethane
03/11/1997US5610247 Unbridged metallocenes of 9-substituted fluorenyl compounds and use thereof
03/11/1997US5609791 Liquid crystal
03/05/1997EP0760355A1 Cyclopentadienyl derivatives and process for their preparation
03/05/1997CN1144217A Retinoid-like compounds
03/05/1997CN1144091A Compounds having retinoid-like activity
03/04/1997US5608131 Pentacyclic hydrocarbon compound and halogenated pentacyclic hydrocarbon compound, and preparation processes thereof
03/04/1997US5607616 Refrigerants containing ethers and fluoroethers
02/1997
02/26/1997EP0759058A1 Supertwist liquid crystal display
02/26/1997EP0711270A4 Cyclopolymerisation monomers and polymers
02/25/1997US5605907 Useful as a preventive and therapeutic agent for diseases against which a potassium channel opening action is efficacious
02/11/1997US5602135 Phenyl or heteroaryl and tetrahydronaphthyl substituted diene compounds having retinoid like biological activity
02/04/1997US5600047 Process for producing optically active olefin
01/1997
01/29/1997EP0755918A2 Photocrosslinkable liquid crystalline 1,2-phenylene derivatives
01/29/1997EP0755909A1 Azeotropic composition
01/22/1997EP0754687A1 Phenyl heterocycles as cyclooxygenase-2 inhibitors
01/15/1997CN1140160A Liquid crystalline compound having conjugated carbon chain and liquid crystal composition containing the same
01/14/1997US5594078 Process for producing broad molecular weight polyolefin
01/08/1997EP0752428A2 Metallocene catalyst for the (co)polimerization of alpha-olefins
01/08/1997EP0693046B1 Multi-stage olefin isomerization
01/07/1997US5591815 Zirconium and hafnium-catalyzed polymerization of methylenecyclopropane
01/02/1997EP0751204A1 Process for the hydrogénation of aromatics with chlorine injection on noble metal based catalysts
01/02/1997EP0751143A2 Process for the preparation of carbon bridged dicyclopentadiene compounds
12/1996
12/31/1996US5589602 Aluminum oxide, group 1a metal
12/31/1996US5589600 Preparation of cyclohexene by partial hydrogenation of benzene
12/31/1996US5589103 Mesomorphic compound, liquid crystal composition containing same, and liquid crystal device using same
12/31/1996CA2180219A1 Process for preparing a carbon-bridged biscyclopentadiene compound
12/27/1996EP0750028A2 Alkenylcyclohexane derivatives, liquid crystal composition and liquid crystal display element
12/27/1996EP0749406A1 Process for the preparation of optically active cycloolefins
12/18/1996EP0748653A1 New catalytic composition containing transition metals complexes and insatured compounds hydrogenation process
12/11/1996EP0747336A1 Alkenyl cyclohexane derivatives and liquid crystal compositions
12/05/1996WO1996038458A1 Bridged metallocene compounds, processes for the preparation thereof, and use thereof in catalysts for the polymerization of olefins
12/05/1996WO1996038398A1 Aromatics hydrogenation with a novel class of metal oxides
12/05/1996CA2220640A1 Aromatics hydrogenation with a novel class of metal oxides
12/04/1996EP0745099A1 Reactor blend polypropylene, process for the preparation thereof and process for preparing metallocene ligands
11/1996
11/28/1996WO1996037451A1 Liquid crystalline compounds having exo-methylene site and liquid crystal compositions comprising the same
11/27/1996EP0743938A1 Substituted spiro compounds for the treatment of inflammation
11/27/1996CN1136845A Sensors for neutral molecules
11/27/1996CN1136548A Process for preparation of cyclopentadinyl compounds and compounds obtained therefrom
11/26/1996US5578743 Cyclopymerization polymers from non-conjugated dienes
11/26/1996US5578737 Chlorination process, alkylation of products of said process and some products thereof
11/26/1996US5578652 Using a blowing agent comprised at least partially from depolymerization of dicyclopentadiene into essentially pure cyclopentane
11/26/1996US5578137 Azeotropic or azeotrope-like compositions including 1,1,1,2,3,4,4,5,5,5-decafluoropentane
11/20/1996EP0743293A1 Process for producing biaryl compound
11/12/1996US5574036 Adamantyl-substituted polycyclic acetylene compounds and pharmaceutical/cosmetic compositions comprised thereof
11/06/1996EP0740954A1 Process for the production of finely granulated solid chemicals
11/06/1996CN2239429Y Unit for mfg. high pure cyclopentadienyl
11/05/1996US5571880 Catalysts for polymerization of olefins especially to obtain syndiotactic polymers
10/1996
10/30/1996EP0739874A1 Preparation of polyalkylated cyclopentadienes from isobornyl carboxylates
10/30/1996EP0739872A1 Process for converting exo-isomers of alkyl substituted cyclopentadienes to endo-isomers
10/29/1996US5569804 Feeding effluent from reaction of cyclic diolefin and olefin to produce alkenyl bridged ring compound to distillation column, removing product compound, removing overhead, cracking dimerized cyclic diolefin in bottoms
10/28/1996CA2170461A1 Process for converting exo-isomers of alkyl substituted cyclopentadienes to endo-isomers
10/27/1996CA2170460A1 Preparation of polyalkylated cyclopentadienes from isobornyl carboxylates
10/16/1996EP0737178A1 Recovery of reactants and products in production of alkenyl bridged ring compounds
10/15/1996US5565592 Vinly-substituted bridged metallocenes
10/15/1996US5565069 Subjecting tetrahydroindene, dicyclopentadiene mixture to thermal decomposition; distillation; reacting with butadiene
10/08/1996US5562853 1,1,2,2,3,3,4,4,-octafluorobutane compositions
10/02/1996EP0734365A1 Production of polymerization grade dicyclopentadiene
10/02/1996DE19511632A1 Alkenyl-cyclohexane(s) for liquid crystal mixt. for super-twist LCD with high contrast and short switching time
09/1996
09/25/1996EP0733610A1 Liquid crystalline compound, liquid crystal composition containing the same and liquid crystal display device
09/25/1996CN1131654A Recovery and usage method for main component of cyclohexane oxidation by-product-X oil
09/24/1996US5559272 Aromatic compounds
09/24/1996US5559262 Process for the preparation of ruthenium complexes and their in situ use as hydrogenation catalysts
09/19/1996WO1996028403A1 SUBSTITUTED DIBENZ[a,f]AZULENES AND METHODS OF PREPARATION
09/12/1996WO1996027580A1 Hydrogenation of unsaturated cyclic compounds
09/11/1996EP0731122A2 Zirconium and hafnium-catalyzed polymerization of methylenecyclopropane
09/10/1996US5554316 Hexenediyne derivative and a liquid crystal composition
09/07/1996CA2171147A1 Zirconium and hafnium-catalyzed polymerization of methylenecyclopropane
09/06/1996WO1996020225A3 Reactor blend polypropylene, process for the preparation thereof and process for preparing metallocene ligands
09/04/1996EP0729978A1 Polyethylene and method for production thereof
08/1996
08/28/1996EP0728040A1 Method of preparing isomerization catalyst
08/28/1996CN1129686A Method and apparatus for producing cyclopentadience by depolymerizing dicyclopentadience
08/27/1996US5550142 Phenyl heterocycles as cox-2 inhibitors
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