Patents
Patents for C07C 13 - Cyclic hydrocarbons containing rings other than, or in addition to, six-membered aromatic rings (6,421)
07/1991
07/23/1991US5034561 Catalytic alkenylbenzene cyclization
07/10/1991EP0436361A1 Method for improving the activity maintenance of plasma initiator
07/10/1991EP0435984A1 Selectively cycloalkylating naphtalene on zeolites.
07/09/1991US5030781 Cyclization of tolyl pentenes or phenyl hexenes using zeolite type y catalyst
07/09/1991US5030765 Skin disorders, anititumor agents
07/09/1991US5030764 Antitumor agents; treatment of skin disorders
07/09/1991US5030757 Phase transfer catalyst recovery
07/03/1991EP0435590A1 Upgrading of low value hydrocarbons
07/03/1991EP0435158A2 Process for producing alcohol or amine
07/02/1991US5028254 Azole derivatives and agricultural and horticultural chemical composition containing the same
06/1991
06/28/1991CA2031958A1 Upgrading of low value hydrocarbons using a hydrogen donor and microwave radiation
06/28/1991CA2031927A1 Method for improving the activity maintenance of a plasma initiator
06/26/1991EP0433302A1 Noble metal containing catalysts and a method of producing the same.
06/25/1991US5026892 Arylcyclobutylamidoalkyl-terminated polysiloxanes; shelf-life; oxidation resistance; coatings, films, molding materials, composites and adhesives
06/25/1991CA1285283C Tricyclo (6.2.1.0 , )undecanes useful as fragrance chemicals
06/12/1991EP0179788B1 Pesticides
06/04/1991US5021579 Nonphytotoxic to crops; low dosage
05/1991
05/29/1991EP0235128B1 A process for preparing reactive polymeric compositions from arylcyclobutene monomeric compositions
05/28/1991US5019660 Polyadamantanes from Diamantane and Triamantane Derivatives
05/22/1991EP0427957A2 Alkinyl-substituted liquid crystals
05/22/1991EP0427837A1 Ring compounds
05/21/1991US5017734 Ethynyl adamantane derivatives and methods of polymerization thereof
05/14/1991US5015761 Esters and alcohol derivatives of dimethyltricyclo(6.2.01.6)un decanes as perfumes
05/07/1991US5013478 Liquid crystals
04/1991
04/30/1991US5012023 Lubricants comprising novel cyclopentanes, cyclopentadienes, cyclopentenes, and mixtures thereof and methods of manufacture
04/30/1991US5012022 Lubricants comprising novel cyclopentanes, cyclopentadienes, cyclopentenes, and mixtures thereof and methods of manufacture
04/03/1991EP0420325A1 High-energy-content fuel composition containing quadricyclane
04/02/1991CA1282434C Process for the preparation of the parylene dimer
03/1991
03/27/1991CA2026132A1 High-energy-content fuel composition containing quadricyclane
03/26/1991US5003123 Process for the preparation of cyclobutenoarenes
03/21/1991WO1991003232A1 Anti-inflammatory active ingredients for cosmetic preparations
03/19/1991US5001276 Novel tetrahydronaphthalene and indane derivatives
03/12/1991US4999449 Novel poly(arylcyclobutenes)
03/12/1991US4999443 Transition metal complexes
03/07/1991DE3928707A1 Entzuendungshemmende wirkstoffe fuer kosmetische praeparate Anti-inflammatory ingredients for cosmetic preparations
02/1991
02/27/1991EP0414062A2 Process for preparing aromatic dicarboxylic acids and novel aromatic dicarboxylic acids
02/21/1991WO1991001959A1 Selectively cycloalkylating naphtalene on zeolites
02/19/1991US4994489 Ester derivatives of diarylacetylenes, their compositions and their use in acne treatment
02/19/1991CA1280430C Hydrogenation and reduction using the system hydrocarbon/carbon
02/12/1991US4992581 Novel methods of manufacturing thromboxane A2 antagonists
02/12/1991US4992574 Benzocycloheptene derivatives
02/05/1991US4990710 High selectivity
02/05/1991US4990703 Novel tetrahydronaphthalene and indane derivatives
01/1991
01/30/1991EP0410756A1 Cyclohexenylethane compounds
01/30/1991EP0410233A2 (4-Arylbutyl) cyclohexane derivatives
01/22/1991US4986931 Cyclohexane derivatives
01/22/1991CA1279331C Reductive dehalogenation of halogen compounds
01/15/1991US4985583 Liquid Crystals
01/08/1991US4983559 Process for presulfurizing with phosphorous and/or halogen additive
01/02/1991EP0405957A1 Deep U.V. photoresist compositions containing polycyclic cyclopentane -2- diazo-1,3-dione
01/02/1991EP0405427A2 Aromatic compounds, process for their preparation and their use as perfuming ingredients
01/02/1991CA1278579C Process for the preparation of (2,2)- paracyclophane and derivatives thereof
01/01/1991US4982049 Solvent extraction of diamondiods
01/01/1991US4981971 Certain aromatic or heterocyclic mercapto-alkylene-cyclohexene dione intermediates
12/1990
12/29/1990CA2019555A1 Deep u.v. photoresist compositions containing polycyclic cyclopentane-2-diazo-1, 3-dione
12/19/1990CN1047863A 3-keto hmg-co a reductase inhibitors
12/13/1990WO1990015114A1 Ring compounds
12/11/1990US4977117 Reacting oxides of nickel and molybdenum with a polysulfide, in first stage without hydrogen and in second stage without hydrogen; arcylamine present
12/04/1990CA1277336C Perhydrofluorene derivatives, process for producing same and fluids fortraction drive
11/1990
11/28/1990EP0399851A2 Purification of hydrocarbonaceous fractions
11/28/1990EP0399193A2 Extractive distillation of hydrocarbons employing solvent mixture
11/27/1990US4973787 Use of dinitrocresol as polymerization inhibitor
11/27/1990US4973568 Preparation of a catalyst useful in the dimerization of butadiene
11/26/1990CA2017527A1 Purification of hydrocarbonaceous fractions
11/22/1990EP0398446A1 Catalyst for hydrogenation and/or dehydrogenation
11/22/1990EP0398155A2 Cyclopropylalkyl or cycloalkenyl compounds, process for their preparation and their use in liquid crystal mixtures
11/21/1990CN1047043A Method of preparing catalyst useful in dimerization of butadiene
11/15/1990WO1990013362A1 Noble metal containing catalysts and a method of producing the same
11/15/1990DE3930663C1 Cross-coupling metal organic cpds. and e.g. halogen cpds. - includes using transition metal-palladium catalyst and opt. metal alcoholate
11/14/1990EP0397266A2 Process for preparing a catalyst useful in the dimerization of butadiene
11/14/1990EP0191858B1 Poly(arylcyclobutenes)monomersand a method of polymerising thereof
11/13/1990CA2016632A1 Cyclopropylalkyl or -alkenyl compounds, processes for their preparation, and their use in liquid-crystalline mixtures
11/08/1990CA2016187A1 Preparation of a catalyst useful in the dimerization of butadiene
10/1990
10/31/1990EP0394578A1 Separation of indene from feedstreams containing indene in admixture with other substances
10/30/1990US4967033 Vapor phase cyclization of an enone in the presence of a catalyst consisting of oxides of aluminum, silicon, titanium, or zirconium
10/24/1990EP0393742A1 Process for the preparation of alkyl substituted tetralins and indanes
10/24/1990EP0393093A1 Process
10/23/1990US4965329 N-substituted arylcyclo butenyl-unsaturated cyclic imides
10/03/1990EP0390308A1 Process for preparing polyalkyl tetrahydronaphthalenes
09/1990
09/26/1990EP0388768A2 Organic electroluminescent device containing aromatic dimethylidyne compounds
09/20/1990DE3908269A1 5,6-Fused indane derivatives, and the use thereof as liquid-crystalline component
09/12/1990CN1045267A Polymerization of bulky norbornene derivatives and polymers obtainable therewith
09/05/1990EP0385556A2 Polymerization of bulky norbornene derivatives and polymers obtainable therewith
09/05/1990EP0385325A1 Cycloolefin complexes of platinum, process for their preparation and their use as catalysts
09/01/1990CA2010270A1 Cycloolefinic complexes of platinum, processes for preparing the same and their use as a catalyst
08/1990
08/31/1990CA2010939A1 Polymerization of bulky norbornene derivatives and polymers obtainable therewith
08/21/1990US4950825 Catalytic cyclization of 5-tolyl-(or phenyl-) pent(hex)-1 or 2-ene using zeolite catalyst
08/16/1990EP0381964A1 Process for the preparation of polyunsaturated cyclic compounds
08/08/1990EP0381353A1 Process for preparing polyalkyl tetrahydronaphthalenes
08/07/1990US4946986 Cyclohexene derivatives
08/07/1990CA1272448A1 Pharmaceutical composition containing at least one benzonorbornen derivative as active principle
08/01/1990EP0380288A1 Process for preparing 1,1,3,4,4,6-hexamethyl-1,2,3,4-tetrahydronaphtalene
08/01/1990EP0257049B1 Chiral compounds
08/01/1990EP0256097B1 Vinyl compounds and liquid crystal phase
07/1990
07/31/1990CA1272338A1 Adhesive compositions from arylcyclobutene monomeric compositions
07/27/1990CA2008367A1 Process for preparing polyalkyl tetrahydronaphthalenes
07/27/1990CA2008366A1 Process for preparing 1,1,3,4,4,6-hexamethyl-1,2,3,4-tetrahydronaphthalen
07/27/1990CA2008365A1 Process for preparing polyalkyl tetrahydronaphthalenes
07/24/1990US4943384 Cyclohexane derivatives
07/11/1990EP0377516A2 Liquid crystal compounds having high optical anisotropy
1 ... 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65