Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Chemistry
Class Information
Number: 585/262
Name: Chemistry of hydrocarbon compounds > Adding hydrogen to unsaturated bond of hydrocarbon, i.e., hydrogenation > Hydrocarbon is contaminant in desired hydrocarbon > Hydrogenation of diolefin or triple bond > Using s or group i or ii transition metal-containing catalyst
Description: Subject matter employing a catalyst which contains sulfur, copper, silver, gold, zinc, cadmium, or mercury.










Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8680350 Process for hydrogenating unsaturated hydrocarbons in the presence of catalysts containing copper and zinc Mar. 25, 2014
8664459 Process for hydrogenating olefins Mar. 4, 2014
8648225 Process for hydrogenating highly unsaturated hydrocarbons and catalyst therefor Feb. 11, 2014
8586815 Method for the elimination of oxygen, nitrogen oxides, acetylenes, and/or dienes from hydrogen-rich olefin-containing gas mixtures Nov. 19, 2013
8426660 Process for purification of ethylene-containing feedstreams Apr. 23, 2013
8362308 Process for preparing a C4-olefin mixture by selective hydrogenation and metathesis process for using this stream Jan. 29, 2013
8309776 Method for contaminants removal in the olefin production process Nov. 13, 2012
8227650 Process and catalyst for selective hydrogenation of dienes and acetylenes Jul. 24, 2012
8158837 Method for selective hydrogenation of acetylene to ethylene Apr. 17, 2012
7612245 Method for selective hydrogenation of polyunsaturated compounds into monounsaturated compounds using a homogeneous catalyst Nov. 3, 2009
7582805 Supported catalyst for the selective hydrogenation of alkynes and dienes Sep. 1, 2009
7550636 Process for the hydrotreatment of an olefinic gasoline comprising a selective hydrogenation stage Jun. 23, 2009
7550637 Catalyst and process for selective hydrogenation Jun. 23, 2009
RE40752 Diene removal from an olefin feedstock Jun. 16, 2009
7453017 Palladium-based catalyst for selective hydrogenation of acetylene Nov. 18, 2008
7408089 Ni catalyst, process for making catalysts and selective hydrogenation process Aug. 5, 2008
7390933 Reduction of the Bromine Index of linear alkylbenzenes Jun. 24, 2008
7385097 Process for the purification of a diolefin hydrocarbon stream Jun. 10, 2008
7301062 Process for the selective hydrogenation of alkynes and/or dienes in an olefin-containing hydrocarbon stream Nov. 27, 2007
7297824 Ni hydrogenation catalysts, manufacture and use Nov. 20, 2007
7208646 Selective hydrogenation of butadiene Apr. 24, 2007
7199273 Selective hydrogenation of alkynes and/or diolefins Apr. 3, 2007
7041860 Process for the selective hydrogenation of alkynes May. 9, 2006
7009085 Selective hydrogenation catalyst and processes therefor and therewith Mar. 7, 2006
6949686 Pyrolysis gasoline stabilization Sep. 27, 2005
6858766 Process for selectively hydrogenating mixed phase front end C2-C10 greater unsaturated hydrocarbons Feb. 22, 2005
6830678 Process of desulphurizing gasoline comprising desulphurization of the heavy and intermediate fractions resulting from fractionation into at least three cuts Dec. 14, 2004
6822127 Selective hydrogenation catalyst for selectively hydrogenating of unsaturated olefin, process for preparing the same and its use Nov. 23, 2004
6759562 Olefin plant recovery system employing a combination of catalytic distillation and fixed bed catalytic steps Jul. 6, 2004
6747181 Process for the hydrogenation of phenyl acetylene in a styrene-containing medium with the aid of a catalyst Jun. 8, 2004
6734328 Process for the selective hydrogenation of alkynes May. 11, 2004
6689926 Process for purifying styrene monomer feedstock prior to polymerization Feb. 10, 2004
6686510 Production of high-purity isobutene and propylene from hydrocarbon fractions with four carbon atoms Feb. 3, 2004
6632414 Mini-structured catalyst beds for three-phase chemical processing Oct. 14, 2003
6583260 Functionalized diene monomers and polymers containing functionalized dienes and methods for their preparation Jun. 24, 2003
6512151 Process for the purification and production of a diolefin hydrocarbon stream Jan. 28, 2003
6469223 Selective hydrogenation of dienes Oct. 22, 2002
6410811 Selective hydrogenation process comprising partial separation of hydrogen by a membrane upstream of a reactive column Jun. 25, 2002
6388162 Diene removal from an olefin feedstock May. 14, 2002
6344538 Functionalized diene monomers and polymers containing functionalized dienes and methods for their preparation Feb. 5, 2002
6297415 Catalytic distillation process Oct. 2, 2001
6278033 Catalyst and process for purifying streams of materials Aug. 21, 2001
6255548 Process for selective hydrogenation of unsaturated compounds Jul. 3, 2001
6127588 Hydrocarbon hydrogenation catalyst and process Oct. 3, 2000
6118034 Process for the selective hydrogenation of dienes in reformate flows Sep. 12, 2000
6100373 Functionalized diene monomers and polymers containing functionalized dienes and methods for their preparation Aug. 8, 2000
6096933 Hydrocarbon hydrogenation and catalyst therefor Aug. 1, 2000
6075173 Process for production of isobutene and propylene from hydrocarbon cuts containing four carbon atoms Jun. 13, 2000
5877364 Process for the simultaneous selective hydrogenation of diolefins and nitriles in multiple reactor units Mar. 2, 1999
5866734 Hydrogenation process Feb. 2, 1999

1 2










 
 
  Recently Added Patents
Die seal ring
Power saving methods for wireless systems
Noise suppression in speech signals
Backside structure and methods for BSI image sensors
Channel estimating method and device
Display screen with transitional icon
Animation control apparatus, animation control method, and non-transitory computer readable recording medium
  Randomly Featured Patents
Bicycle trailer and hitch
System and method for playing a bonus game
Single focus wide-angle lens
Method for producing polybutylene terephthalate
Die testing using top surface test pads
Carrier and a magnetic levitation railway provided with said deck
Homeopathic pharmaceutical compositions
Game program
Ski equipment
Dispenser with source of illumination for self-defense spray canister