Patents
Patents for C07C 13 - Cyclic hydrocarbons containing rings other than, or in addition to, six-membered aromatic rings (6,421)
03/1998
03/03/1998US5723621 Reaction of silylaromatic with aromatic compound to form biaryl compound
02/1998
02/18/1998EP0642483B1 Chlorination and elimination process and some products thereof
02/12/1998WO1998005612A1 Process for forming cyclopentane from dicyclopentadiene
02/11/1998CN1172791A Distillation process for improving yield of pure products from crude anthracene
02/10/1998US5717076 Metal-encapsulated fullerene derivative compound of and method for making the derivative
02/04/1998EP0822190A1 Phenyl heterocycles as cyclooxygenase-2 inhibitors
01/1998
01/29/1998WO1998003451A1 Improved lithium and amine dissolving metal reduction
01/29/1998CA2261059A1 Improved lithium and amine dissolving metal reduction
01/28/1998EP0821046A1 Difluoromethane/hydrocarbon refrigerant mixture and refrigeration cycle plant using the same
01/28/1998EP0820426A1 SUBSTITUTED DIBENZ[a,f]AZULENES AND METHODS OF PREPARATION
01/21/1998CN1171097A Norobornene compounds having chain polyene groups and ansatarated ethylenic copolymer produced with use of the same
01/21/1998CN1170706A Process for cyclopentadiene substitution
01/20/1998US5710299 Production of bridged metallocene complexes and intermediates therefor
01/20/1998US5710297 For use in the manufacture of cycloolefin copolymers
01/20/1998US5710224 Catalytic polymerization of ethylene using fluorene indenyl ethane zirconium dichloride with metallocene
01/20/1998US5710140 Phenyl heterocycles as COX-2 inhibitors
01/20/1998US5709820 Alkenyl cyclohexane derivatives and liquid crystal compositions
01/20/1998CA2116098C Asymmetric syntheses
01/15/1998WO1998001121A1 P/q type calcium channel antagonist
01/06/1998US5705167 Treatment of dermatological, rheumatic, respiratory, cardiovascular, bone and ophthalmological disorders
01/06/1998CA2061559C Cyclopentadiene type compounds and method for making
12/1997
12/31/1997CN1169138A Novel liquid crystal compound bearing dienyl moiety and liquid crystal composition
12/31/1997CN1169137A Improved synthesis of cyclopropylacetylene
12/30/1997US5703246 Reacting an organometallic compound with organosulfur compound
12/29/1997EP0813517A1 Hydrogenation of unsaturated cyclic compounds
12/29/1997EP0711327B1 Aqueous dispersions containing cyclopolymer dispersants
12/16/1997US5698142 From molten stock; concurrent mixing, cooling
12/10/1997EP0811026A1 Method of producing rigid foams and products produced therefrom
12/09/1997US5696254 Processes for the diastereoselective synthesis of nucleoside analogues
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
12/09/1997CA2013526C Extractive distillation of hydrocarbons employing solvent mixture
12/02/1997US5693787 Stereospecific
11/1997
11/19/1997EP0807119A1 Process for the preparation of ruthenium complexes and their in situ use as hydrogenation catalysts
11/13/1997WO1997042159A1 Process for cyclopentadiene substitution with groups differing from each other
11/13/1997WO1997042150A1 Cyclopentadiene compound substituted by branched alkyl groups
11/13/1997WO1997042149A1 Cyclopentadiene compound substituted with tertiary groups
11/13/1997WO1997042148A1 Cyclopentadiene compound substituted with cyclic groups
11/13/1997WO1997042145A1 Process for converting a geminally substituted cyclopentadiene
11/13/1997WO1997042143A1 Process for the preparation of a spiro[2.4]-hepta-4,6-diene
11/12/1997EP0805790A1 Improved synthesis of cyclopropylacetylene
11/11/1997US5686608 Process for cross-coupling aromatic boron compounds with aromatic halogen compounds or perfluoroalkylsulfonates
11/05/1997EP0805134A1 Novel liquid-crystal compounds bearing dienyl moiety and liquid-crystal composition
11/05/1997EP0805133A1 Process for cyclopentadiene substitution
11/05/1997CN1164224A Monomers and composition with can be crosslinked and crosslinked polymers
11/04/1997US5684205 Use of substituted cyclopentane- di- and -triones
11/03/1997CA2204202A1 Process for cyclopentadiene substitution
10/1997
10/29/1997EP0695287B1 Fullerene derivatives, methods of preparing them and their use
10/21/1997US5679285 Low viscosity, stable liquid crystalline media for electrooptical display elements
10/15/1997EP0801047A1 Norbornene compounds having chain polyene groups and unsaturated ethylenic copolymer produced with the use of the same
10/14/1997US5677320 Phenyl or heteroaryl and tetrahydronaphthyl substituted diene compounds having retinoid like biological activity
10/08/1997EP0799813A2 Distillation process for the recovery of pure products from crude anthracene
10/07/1997US5675038 Providing a polyamine in the solution in addition to the lithium and alkylamine to speed the reaction
10/01/1997CN1160702A Process for producing indene
09/1997
09/24/1997CN1160035A Method for separation of petroleum cracking C5 fraction by liquid phase feeding extraction rectification
09/23/1997US5670681 Process for preparing a carbon-bridged biscyclopentadiene compound
09/23/1997US5670437 Reduction of an organometallic compound
09/23/1997CA2069024C Processes for the diastereoselective synthesis of nucleosides
09/18/1997WO1997033856A1 Diaromatic propynyl or dienyl compounds
09/18/1997WO1997033848A1 Method for preparing norbornene and substituted derivatives of norbornene
09/17/1997EP0697813B1 N-dodecyl heterocyclic compounds useful as industrial microbicides and preservatives
09/17/1997EP0618897B1 Nitrile and aldoxime indane compounds, their use as perfume
09/16/1997US5668293 Cyclohexane from benzene, trialkylaluminum, nickel carboxylate, sodium carboxylate
09/12/1997WO1997032871A1 Tricyclic compounds, their production and use
09/10/1997EP0794165A1 Process for the preparation of indenes
09/07/1997CA2199354A1 Process for preparing indenes
09/04/1997WO1997031989A1 Azeotropic compositions of cyclopentane
09/03/1997EP0792928A2 Process for the recovery of pure aromatics from reforming gasoline and apparatus for carrying out this process
09/03/1997EP0792685A1 Hydrocarbon Hydrogenation and catalyst therefor
09/03/1997EP0792252A1 Monomers and composition which can be crosslinked and crosslinked polymers
09/02/1997US5663467 Synthesis of cyclopropylacetylene
09/02/1997US5663320 Processes for the diastereoselective separation of nucleoside analogue synthetic intermediates
09/02/1997US5662830 Diene derivative
08/1997
08/28/1997DE19607043A1 Liquid crystalline medium
08/14/1997WO1997029162A1 Difluoromethane/hydrocarbon refrigerant mixture and refrigeration cycle plant using the same
08/06/1997CN1035555C Process for diastereoselective synthesis of nucleosides
08/03/1997CA2196585A1 Procedure for generating pure aromatics from reformed gasoline and device for implementing the procedure
07/1997
07/24/1997WO1997026237A1 Aromatic polycyclic retinoid-type derivatives, method for preparing same, and use thereof for making pharmaceutical and cosmetic compositions
07/24/1997CA2243295A1 Aromatic polycyclic retinoid-type derivatives, method for preparing same, and use thereof for making pharmaceutical and cosmetic compositions
07/22/1997US5650089 Refrigerant compositions with fluorinated dimethyl ether and either difluoroethane or cyclopropane, and use thereof
07/16/1997EP0783552A1 1,1,2,2,3,3,4,4-octafluorobutane compositions
07/16/1997EP0716663A4 Novel cyclopolymerization polymers from non-conjugated dienes
07/16/1997CN1154368A Photo-cross-linkable liquid crystalline 1,2-phenylene derivatives
07/15/1997US5648583 Process for converting exo-isomers of alkyl substituted cyclopentadienes to endo-isomers
07/15/1997US5648578 Preparation of polyalkylated cyclopentadienes from isobornyl carboxylates
07/15/1997CA2069063C Processes for the diastereoselective synthesis of nucleosides
07/02/1997CN1153178A Bridged cyclopentadienyl derivatives and process for their preparation
07/02/1997CN1153158A Elemene-metal complex and use as anticancer drugs
06/1997
06/19/1997CA2273983A1 Process for the preparation of 9-deazaguanine derivatives
06/18/1997EP0620807B1 Diels-alder process
06/12/1997WO1997020806A1 Indane compounds with smooth muscle relaxing and/or mast cell stabilising and/or anti-inflammatory activity
06/12/1997WO1997020805A1 Indane dimer compounds with smooth muscle relaxing and/or mast cell stabilising and/or antiinflammatory activity
06/12/1997WO1997020802A1 Indane dimer compounds and their pharmaceutical use
06/11/1997EP0777636A1 Process for the production of cyclohexane
06/10/1997US5637744 Bis fluorenyl metallocenes and use thereof
06/04/1997EP0776885A1 Diaromatic compounds with an adamantyl group in the ortho position, pharmaceutical and cosmetic compositions containing them and uses
06/04/1997CN1150942A Method for preparation of high purity cyclopentadiene
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
05/28/1997EP0775682A1 Process for the preparation of camphene by rearrangement of alpha-pinene
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