Resources Contact Us Home
Browse by Category: Main > Chemistry
Class Information
Number: 585/275
Name: Chemistry of hydrocarbon compounds > Adding hydrogen to unsaturated bond of hydrocarbon, i.e., hydrogenation > Using transition metal-containing catalyst
Description: Subject matter wherein the reaction takes place in the presence of a catalyst containing a transition metal in free or combined form.

Sub-classes under this class:

Class Number Class Name Patents
585/276 Elemental co, fe, or ni 111
585/277 Group viii metal with additional nonhydrocarbon agent or complexed with hydrocarbon 217

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
5866734 Hydrogenation process Feb. 2, 1999
5866735 Hydrocarbon hydrogenation process Feb. 2, 1999
5852130 Catalytic composition based on transition metal complexes, and a process for the hydrogenation of unsaturated compounds Dec. 22, 1998
5847250 Supported palladium catalyst for selective catalytic hydrogenation of acetylene in hydrocarbonaceous streams Dec. 8, 1998
5817900 Process for hydrotreating resins to lighten color Oct. 6, 1998
5807477 Process for the treatment of light naphtha hydrocarbon streams Sep. 15, 1998
5789638 Hydrogenation of unsaturated polymers using monocyclopentadienyl group IV metal catalysts Aug. 4, 1998
5698752 Selective hydrogenation process Dec. 16, 1997
5688975 Rare earth stabilized Cr/Ti substituted molecular sieves Nov. 18, 1997
5689021 Raney-type catalysts for the hydrogenation of halonitroaromatic compounds Nov. 18, 1997
5670437 Method of preparation of a hydrogenation catalyst soluble in an organic liquid phase Sep. 23, 1997
5648577 Dispersed metal sulfide catalysts for hydroprocessing (LAW105) Jul. 15, 1997
5639927 Process of producing cycloolefin Jun. 17, 1997
5589600 Preparation of cyclohexene by partial hydrogenation of benzene Dec. 31, 1996
5583274 Alkyne hydrogenation process Dec. 10, 1996
5573657 Hydrogenation process Nov. 12, 1996
5569803 Method for producing a cycloolefin Oct. 29, 1996
5563308 Ferrocene diphosphines as ligands for homogeneous catalysts Oct. 8, 1996
5563309 Ferrocenyl diphosphines as ligands for homogeneous catalysts Oct. 8, 1996
5541289 Phosphine containing amino acids and peptides and methods of preparing and using same Jul. 30, 1996
5498584 Process for the selective hydrogenation of epoxyalkenes to epoxyalkanes Mar. 12, 1996
5451312 Catalyst and process for producing low-aromatics distillates Sep. 19, 1995
5449450 Hydrocarbon conversion process using a crystalline microporous metallo-zinc phosphate composition Sep. 12, 1995
5435907 Hydrodearomatization of middle distillate hydrocarbons Jul. 25, 1995
5414171 Process and washed catalyst for partially hydrogenating aromatics to produce cycloolefins May. 9, 1995
5414170 Mixed phase front end C.sub.2 acetylene hydrogenation May. 9, 1995
5406012 Heterocatalyst system Apr. 11, 1995
5347027 Noble metal supported on a base metal catalyst Sep. 13, 1994
5346612 Distillate hydrogenation utilizing a catalyst comprising platinum, palladium, and a beta zeolite support Sep. 13, 1994
5334791 Hydrogenation process with transition metal catalysts derived from bifunctional phosphorus-nitrogen ligands Aug. 2, 1994
5330948 Homogeneous catalysts for stereoregular olefin polymerization Jul. 19, 1994
5321175 Olefin hydrogenation procedure Jun. 14, 1994
5321176 Hydrogenation of polyenes Jun. 14, 1994
5306853 Diphosphines containing silane groups, immobilized diphosphines and the use thereof as hydrogenation catalysts Apr. 26, 1994
5268521 Catalyst for selective hydrogenation reaction Dec. 7, 1993
5256163 Flow liquid-phase chemical reaction process Oct. 26, 1993
5254761 Process for selective reduction of unsaturated organic compounds Oct. 19, 1993
5180870 Hydrogenation of polyenes Jan. 19, 1993
5177278 Preparation of cyclododecene Jan. 5, 1993
5171911 Ceramic materials, method of preparing the same and hydrogenation and oxidation processes using the same Dec. 15, 1992
5138111 Eta phase materials, methods of producing the same, and use thereof as catalysts for alcohol synthesis, hydrocarbon synthesis, hydrocarbon hydrogenation and hydrocarbon conversion reactions Aug. 11, 1992
5128025 Hydrocarbon conversion processes using a novel crystalline microporous metal oxysulfide composition Jul. 7, 1992
5081083 Method of treating intermetallic alloy hydrogenation/oxidation catalysts for improved impurity poisoning resistance, regeneration and increased activity Jan. 14, 1992
5072069 Cycloolefinic complexes of platinum, processes for preparing the same and their use as a catalyst Dec. 10, 1991
5036159 Crystalline oxides as catalysts Jul. 30, 1991
4995963 Crystalline galliosilicate with the zeolite L type structure and its use in chemical catalytic conversions Feb. 26, 1991
4973785 Molecular sieve compositions Nov. 27, 1990
4967031 Hydrogenation using hydrides and acid Oct. 30, 1990
4891456 Method for preparing norbornene structure compound Jan. 2, 1990
4882038 Process for the use of magnesium-aluminum-phosphorus-silicon-oxide molecular sieve compositions Nov. 21, 1989

1 2 3 4 5

  Recently Added Patents
Digital broadcasting system and method of processing data in digital broadcasting system
Far field telemetry operations between an external device and an implantable medical device during recharge of the implantable medical device via a proximity coupling
Apparatus and method for recording reboot reason of equipment
3D IC method and device
Forming agent for gate insulating film of thin film transistor
Method of operating a split gate flash memory cell with coupling gate
Pharmaceutical powder compositions
  Randomly Featured Patents
Component for the sliding support of another component, and process for producing it
Protection arrangement of a deflection circuit
Mobile chair
Beneficiation of fluorspar ore
Socket assembly
Cyclic derivatives of 1,2,3,4 tetrahydroquinoline and indolene
Epicardial clip
Reduced residual offset sigma delta analog-to-digital converter (ADC) with chopper timing at end of integrating phase before trailing edge
Coke oven rail car with drive control system for positioning the car and door extractor which compensates for thermal distortion of oven jambs
Audio-video conference system with parallel networks