Patents
Patents for C07B 35 - Reactions without formation or introduction of functional groups containing hetero atoms, involving a change in the type of bonding between two carbon atoms already directly linked (1,427)
06/1992
06/29/1992WO1992012110A1 Method for hydrogenating ethylenically unsaturated organic compounds, and ruthenium catalysers therefor
06/29/1992CA2099280A1 Process for the hydrogenation of ethylenically (unsaturated organic compounds, and ruthenium catalysts to effect it
06/25/1992WO1992010447A1 A process for the production of ethylene or a mixture of ethylene and vinyl chloride
06/23/1992CA1304069C Hydrogenation catalyst
06/17/1992EP0300018B1 Hydrogenation process
06/04/1992WO1992009552A1 METHOD FOR PREPARING α-ARYLPROPIONIC ACIDS
06/04/1992CA2097423A1 Method for preparing .alpha.-arylpropionic acids
05/1992
05/27/1992EP0486993A1 Preparation of a zinc aluminate supported dehydrogenation catalyst
04/1992
04/28/1992US5108647 Method of dehalogenating halogenated hydrocarbons
04/16/1992CA2027374A1 Electrochemical degradation of chlorophenols
03/1992
03/25/1992EP0476765A1 A particle-bearing composite and a method for producing the same
03/11/1992CN1059320A Preparation of anhydrous niobium and tantalum pentafluorides
03/05/1992WO1992003382A1 Preparation of anhydrous niobium and tantalum pentafluorides
02/1992
02/25/1992US5091168 Preparation of anhydrous niobium and tantalum pentafluorides
02/25/1992US5090997 Atomizing liquid alloy with water or water and gas, cooling, drying
02/25/1992CA1296327C Process of preparation of novel rhodium hydrogenation catalysts and theirapplication
02/17/1992WO1992003379A1 Zinc-containing zeolite l
02/12/1992EP0195053B1 Process for preparing 1,3-cyclohexanedione derivatives and intermediates therefor
02/11/1992US5087728 Process for producing carboxylic acids and esters thereof
02/04/1992CA1295313C Stabilized magnesia and its use in catalytic processes
01/1992
01/29/1992EP0468840A2 Process for the selective epoxidation of unsaturated (meth)acrylates, new functional (meth)acrylates so obtained and their use in the synthesis of new polymers
01/15/1992EP0370054B1 Catalyst composition and method for selective dehydrogenation
01/07/1992CA2256214A1 Process for selective epoxidation of unsaturated (meth)-acrylates, novel functional (meth)acrylates thus obtained, and application to the synthesis of novel polymers
11/1991
11/21/1991EP0456879A1 Process for the dehalogenation of organic compounds
10/1991
10/30/1991EP0453818A1 Process for the reductive dehalogenation of halogenated hydrocarbons and halogenated ethers
10/17/1991DE4012007A1 Reductive de-hydrohalogenation of hydrocarbon(s) or ether(s)
10/09/1991CN1014234B Dehydrogenation of hydrocarbon by oxidation reheating
10/08/1991CA1290349C Hydrogen acceptor catalysis for aromatization of hydroaromatic compounds
10/08/1991CA1290348C Aromatization of dihydroaromatic compounds by treatment with bases
09/1991
09/10/1991US5047178 Nickel/alumina catalyst, its preparation and use
08/1991
08/06/1991US5037793 Nickel zirconium and copper oxides; high stability and reactivation potential
07/1991
07/24/1991EP0437788A1 Process for preparing powdered aluminium alloys
07/10/1991CN1013078B Load type cu-zn base methyl alcohol-disolving catalyzer
07/09/1991US5030609 Process for producing a hydrogenation catalyst of copper chromite
06/1991
06/04/1991US5021593 Ruthenium-optically active phosphine complex
05/1991
05/02/1991DE3935861A1 Verfahren zur herstellung von fluorbenzolen und fluortoluolen Process for the preparation of fluorobenzenes and fluortoluolen
04/1991
04/28/1991WO1991006523A1 Method of preparation of fluorobenzenes and fluorotoluenes
04/28/1991CA2070386A1 Process for the preparation of fluorobenzenes and fluorotoluenes
03/1991
03/20/1991EP0417690A2 Aromatization process
03/12/1991CA2023720A1 Aromatization process
03/05/1991US4997955 Preparation of 1,1-disubstituted ethylene compounds
02/1991
02/19/1991CA1280430C Hydrogenation and reduction using the system hydrocarbon/carbon
01/1991
01/30/1991EP0410380A2 Novel process for the synthesis of 2-fluoro-1-olefins
01/26/1991CA2021521A1 Process for the synthesis of 2-fluoro-1-olefins
01/22/1991CA1279331C Reductive dehalogenation of halogen compounds
01/16/1991EP0408340A2 Ruthenium-optically active phoshine complex useful as catalyst
01/16/1991EP0408338A2 Catalytic production of carboxylic acids and esters thereof
12/1990
12/25/1990US4980505 Converting ortho-hydroxylated mannich bases to corresponding methylated compounds via hydrogenation
12/18/1990US4978771 Conjugated dienes and unsaturated nitriles, such as acrylo-nitrile-butadiene copolymer; complex ruthenium catalyst
12/04/1990US4975407 Catalyst for dehydrogenating organic compounds, a process for its preparation and its use
11/1990
11/28/1990EP0324754B1 Process for dehalogenation of hydrocarbons
11/22/1990EP0398446A1 Catalyst for hydrogenation and/or dehydrogenation
11/06/1990US4968830 Halogenative dehydrogenation
10/1990
10/31/1990EP0394842A1 Catalyst for the hydrogenation of unsaturated aliphatic compounds
10/03/1990CN1009802B Stabilized magnesia and its use in catalytic processes
10/02/1990US4960960 Hydrogenation process
09/1990
09/25/1990CA1274544A1 Process for the selective hydrogenation of unsaturated compounds
09/19/1990EP0223151B1 Process for the selective hydrogenation of unsaturated compounds
09/11/1990US4956328 Catalyst for hydrogenation of nitriles, aromatic hydrocarbons, nitro compounds and/or olefins
08/1990
08/16/1990DE3904327A1 Process for the preparation of trans-1,3-substituted cyclobutane derivatives
08/08/1990EP0380782A1 Liquid dehalogenation agents
08/07/1990US4946821 Combining ammoniacal metal solution with aluminum compound aqueous solution, reducing the precipitates with hydrogen
08/07/1990CA1272548A1 Process for the selective hydrogenation of unsaturated polymers containing nitrile groups
08/02/1990CA2009007A1 Liquid dehalogenating agents
07/1990
07/31/1990CA1272209A1 Dehalogenation process
06/1990
06/20/1990EP0373668A2 A process for the synthesis of ortho-methylated hydroxyaromatic compounds
05/1990
05/29/1990US4929757 Oxyalkylation, hydrogenation metal catalysts
05/23/1990CN1008095B Preparation of chiral rhodium-diphosphine complex
05/09/1990CN1041933A Chemical conversion process
02/1990
02/06/1990CA1265539A1 Hydrocarbon dehydrogenation process with oxidative reheat
01/1990
01/09/1990US4892973 From corresponding alkane by oxidation with lead peroxide
12/1989
12/12/1989US4886891 Process for preparing 1,1-disubstituted ethylene derivative by reaction of lead with a carbinol derivative
12/06/1989EP0344812A2 Method of manufacturing superconductor of ceramics superconductive material
11/1989
11/22/1989CN1037282A Catalyst for dehydrogenating organic compounds, process for its preparation and its use
11/02/1989EP0339704A1 Catalyst for dehydrogenating organic compounds, a process for its preparation and its use
10/1989
10/04/1989EP0335222A1 Process for the preparation of nickel-aluminium oxide zirconium dioxide catalyst compositions
08/1989
08/09/1989CN1034493A Chemical reaction and catalyst suitable therefor
07/1989
07/26/1989EP0324754A1 Process for dehalogenation of hydrocarbons.
07/25/1989CA1257876A1 Process for the selective hydrogenation of unsaturated compounds
07/11/1989US4847016 High speed
06/1989
06/14/1989EP0320074A1 Chemical reaction in the presence of a supported copper catalyst
05/1989
05/16/1989US4831008 Applying rhodium carbonyl clusters to support in inert atmosphere and pyrolyzing
05/03/1989CN1032654A Catalysts for olefination of aldehyde and thier application
04/1989
04/25/1989US4824956 Reductive dehalogenation of halogen compounds
03/1989
03/21/1989US4814497 Dehalogenation process
03/14/1989US4812587 Unsaturated nitriles, cyclopentadienyl and phosphine ligands
03/01/1989CN1031336A 催化剂 Catalyst
02/1989
02/01/1989EP0301853A1 Catalyst
01/1989
01/26/1989WO1989000452A1 Catalyst composition and method for selective dehydrogenation
01/25/1989EP0300018A1 Hydrogenation process.
01/17/1989US4798911 Sulfur-free palladium and copper on carbon support
01/04/1989EP0297685A1 Dehydrogenation catalyst
01/04/1989EP0297302A1 Preparation of 4-pentenenitrile by isomerization
01/03/1989US4795788 Ruthenium complex
12/1988
12/21/1988EP0295553A1 Process for the preparation of 1,1-disubstituted ethylene compounds
12/21/1988EP0295527A2 Process for the preparation of 3-aminophenyl-2-hydroxyethylsulfon
12/13/1988CA1246534A1 Nickel/alumina/silicate catalyst, its preparation and use
11/1988
11/30/1988EP0292885A2 Catalytic transfer-hydrogenation with aromatic nitro compounds as hydrogen acceptor
11/08/1988US4783546 From 3-pentenenitrile with heterogeneous catalyst
11/02/1988EP0289061A1 Method for the preparation and application of rhodium catalysts for the hydrogenation of aromatic and other unsaturated compounds under mild conditions.
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