Patents
Patents for C07C 13 - Cyclic hydrocarbons containing rings other than, or in addition to, six-membered aromatic rings (6,421)
10/1992
10/01/1992DE4105743C1 Benzyl:aryl:sulphone(s) useful as LCD - are produced by reacting salt of aryl:sulphinic acid with corresp. benzyl halide
09/1992
09/30/1992EP0506314A2 Process for preparing vinylically-unsaturated compounds
09/29/1992CA2064302A1 Process for preparing vinylically-unsaturated compounds
09/17/1992DE4206771A1 Methylencyclobutanderivate Methyl cyclobutane derivatives
09/16/1992EP0357610B1 Insecticidal cyclopropyl-substituted di(aryl) compounds
09/09/1992EP0502202A1 Organic electroluminescent element
09/02/1992CA2062035A1 Bis-bibenzimidazole composition
09/01/1992US5144095 Substituted cyclopentadienes, methods of manufacture and uses
08/1992
08/26/1992EP0500005A1 Process for the preparation of substituted indenes
08/19/1992EP0498881A1 Inhibition of butadiene polymerization during the conversion of butadiene to vinylcyclohexene
08/19/1992CN1063727A Flat-bed knitting machine with fuction of being able to adjust knock-over timing
08/19/1992CA2061295A1 Process for the preparation of substituted indenes
08/13/1992WO1992013909A1 Diamondoid polymeric compositions
08/13/1992DE4202512A1 4,4'-Di:amino:benzhydrol(s) prepn. - by hydrogenation of 4,4'-di:amino:benzophenone(s) in presence of hydrogenation catalyst and acid and/or salt
08/13/1992CA2100654A1 Diamondoid polymeric compositions
08/06/1992CA2060594A1 Licidal and lice-ovicidal pharmaceutical and cosmetic formulations
08/05/1992EP0497176A2 Four rings compounds and liquid crystal mixtures containing them
07/1992
07/21/1992US5132270 Ultrasound method of reactivating deactivated hydrogenation catalyts
07/14/1992US5130603 A stilbene, bluish purple to green
07/14/1992CA1305176C Tetrahydronaphthaline and indane derivatives
07/08/1992EP0493754A1 Process for the chemical vapor deposition of copper
06/1992
06/30/1992US5126371 Diarylacetylenes, their preparation and their use
06/23/1992US5124499 Heating myrcene sulfolane in the presence of a strong acid
06/23/1992US5124464 Method of preparing metallocene compounds
06/17/1992EP0489778A1 Anti-inflammatory active ingredients for cosmetic preparations
06/17/1992DE3348305C2 New opt. etherified bi:cyclohexyl derivs.14
06/09/1992US5120467 Anisotropic compounds and liquid crystal mixtures
05/1992
05/27/1992EP0487319A2 Novel heptamethyl indane compound
05/26/1992CA1301771C Azaphospholenes and use thereof
05/22/1992CA2055822A1 Heptamethyl indane compound
05/20/1992EP0449831A4 Compounds and methods based on 1.1.1)propellane
05/19/1992CA1301173C Unsaturated alkyl monoarylcyclobutene monomers and polymeric compositions prepared therefrom
05/06/1992EP0483999A1 Reverse osmosis process for recovery of C3-C6 aliphatic hydrocarbon from oil
05/05/1992US5110903 Process for the preparation of mixed parylene dimers free of alpha-halogens
04/1992
04/28/1992US5108652 Liquid crystal dielectrics
04/21/1992US5107041 Calatjtic hydrogenation and dexydration of a 1,1-di (hydroxy phenyl) cjcloalkane
04/15/1992EP0480528A1 Process for the preparation of polyvinyl compounds
04/10/1992CA2053009A1 Process for the preparation of polyvinyl compounds
04/08/1992EP0183725B1 Substituted aluminosilicate compositions and process for preparing same
04/07/1992US5103065 Transition metal complexes as catalysts for hydrogenation hydroformylation and cyclotrimerization
04/02/1992WO1992005131A1 Organic electroluminescent element
03/1992
03/31/1992CA1298309C Benzocycloheptene derivatives
03/25/1992EP0476765A1 A particle-bearing composite and a method for producing the same
03/25/1992EP0476400A1 Method of separating cyclohexene from mixtures with benzene and cyclohexane
03/24/1992US5099077 Chiral phosphorus compounds, a process for their manufacture and their application to the catalysis of enantioselective synthesis reactions
03/24/1992US5098516 Vapor phase organometallic copper compound
03/19/1992WO1992004305A1 Inhibition of butadiene polymerization during the conversion of butadiene to vinylcyclohexene
03/10/1992US5095152 Perfumes
03/04/1992EP0472853A1 Desactivated hydrogenation catalyst reactivation process
03/03/1992US5093535 Liquid phase, cocurrent flow
03/03/1992US5093441 Polymerization of norbornene derivatives
02/1992
02/17/1992WO1992003379A1 Zinc-containing zeolite l
01/1992
01/28/1992US5084592 Azulenesquaric acid dyes, azulene intermediates therefor, and optical recording medium
01/28/1992US5084204 Compounds for liquid crystal display elements
01/28/1992CA1295082C Method for the termination of living polymers and compounds suitable to that purpose
01/21/1992US5082953 Sulpholenes and processes for their preparation and use
01/15/1992EP0466128A1 Method for producing a cycloolefin
01/14/1992US5081262 Substituted cyclopentenyl oxabicyclooctanes, cyclopentenylformylcyclohexenes and cyclopentenylhydroxymethyl cyclohexenes, processes for preparing same and organoleptic uses thereof
01/14/1992US5081251 Stilbene compounds use in anionic polymerization
01/07/1992US5079386 Process for the preparation of alkyl substituted tetralins and indanes
12/1991
12/31/1991US5076813 High-energy-content fuel composition containing quadricyclane
12/28/1991CA2052982A1 Reverse osmosis process for recovery of c3-c6 aliphatic hydrocarbon from oil
12/18/1991EP0461913A2 Catalytic alkenylbenzene cyclization
12/10/1991US5072069 Cycloolefinic complexes of platinum, processes for preparing the same and their use as a catalyst
12/03/1991CA1292754C Lubricants comprising novel cyclopentanes, cyclopentadienes, cyclopentenes, and mixtures thereof and methods of manufacture
11/1991
11/27/1991EP0458643A2 Process for preparing an optically active cyclobutanone, an intermediate in the synthesis of an optically active cyclobutane nucleoside
11/27/1991EP0458309A2 Dicyclopentadiene activation method and polymerization composition
11/27/1991EP0282579B1 Cyclopentanes and lubricants comprising cyclopentanes
11/26/1991US5068479 Catalytic alkylation of p-cymene and a hexene using aluminum halide and triphenylmethane derivatives
11/26/1991US5068053 Liquid crystals for optical apparatus
11/25/1991CA2041950A1 Process for preparing an optically active cyclobutanone, an intermediate in the synthesis of an optically active cyclobutane nucleoside
11/21/1991EP0456879A1 Process for the dehalogenation of organic compounds
11/19/1991CA1292247C Conversion of solid dicyclopentadiene to a liquid monomer for use in reaction injection molding
11/13/1991EP0456455A1 Phase transfer catalyst recovery
11/12/1991US5064565 Cyclohexenylethane compound
11/08/1991CA2040098A1 Phase transfer catalyst recovery
10/1991
10/16/1991EP0306521B1 Ethine derivatives as compounds of liquid crystal phases
10/15/1991US5057618 Complex compounds containing sulfonated phenyl phosphanes
10/09/1991EP0449831A1 Compounds and methods based on 1.1.1]propellane
10/08/1991US5055622 Novel tetrahydronaphthalene and indane derivatives
10/01/1991US5053571 Ruthenium and nickel/support on zeolite beta selectivity
10/01/1991US5053547 Benzonorbornene derivatives, processes for their preparation and medicinal and cosmetic compositions containing them
09/1991
09/29/1991WO1991014665A1 Use of organic derivatives of rhenium oxides as catalysts for ethenolytic metathesis of olefinic compounds and process for ethenolytic metathesis of olefinic compounds using these catalysts
09/25/1991EP0447889A1 Process for preparing 1,1,3,4,4,6-hexamethyl-1,2,3,4-tetrahydronaphthalene
09/25/1991CN1054763A Process for preparing aromatic product with alkylating zeolite and dealkylating zeolite
09/18/1991EP0446758A1 Process for the preparation of an alkylated aromatic compound using a zeolithe for alkylation and one for desalkylation
09/11/1991EP0446116A1 Sulfolenes, process for their preparation and use
09/10/1991US5047170 Anisotropic compounds having nematic phase and liquid crystal mixtures
09/06/1991CA2037529A1 Sulfolenes; process for preparing them and their use
08/1991
08/27/1991US5043504 Using hindered phenol as inhibitor and iron complex as catalyst
08/21/1991EP0442306A2 (4E-cyclohexyl-3-butenyl)phenyl derivatives
08/20/1991US5041639 Polysubstituted derivatives of naphtalene, their process of preparation and their application in the cosmetic and pharmaceutical fields
08/20/1991US5041238 o,o'-Bridged oligophenylene laser dyes, dyestuff lasers and methods of lasing therewith
08/14/1991EP0441565A2 Flat knitting machine having function for adjusting knock-over timing
08/14/1991EP0441460A2 Cyclopentadienes, their manufacture and lubricating compositions containing them
08/13/1991US5039596 Deep u.v. photoresist process utilizing compositions containing polycyclic cyclopentane 2-diazo-1,3-dione
08/08/1991DE4003012A1 Geminale dimethylalkyl-verbindungen, verfahren zu ihrer herstellung und ihre verwendung in fluessigkristallinen mischungen Geminal dimethylalkyl compounds, process for their production and their use in fluessigkristallinen mixtures
08/06/1991US5037578 Light source excites dyes solution to generate coherent laser radiation
08/03/1991WO1991011441A1 Process for producing geminate dimethylalkyl compounds and their use in liquid crystalline mixtures
08/03/1991CA2075198A1 Process for producing geminate dimethylalkyl compounds and their use in liquid crystalline mixtures
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