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Class Information
Number: 585/259
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
Description: Subject matter wherein the contaminant has a triple bond which is hydrogenated or has two double bonds, one or both of which is hydrogenated.










Sub-classes under this class:

Class Number Class Name Patents
585/261 Using catalyst and additional nonmetal material 90
585/260 Using catalyst or support of defined structure, surface area, or pore size 157
585/262 Using s or group i or ii transition metal-containing catalyst 80


Patents under this class:
1 2 3 4 5 6

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
8652321 Process for the production of a desulfurized gasoline from a gasoline fraction that contains conversion gasoline Feb. 18, 2014
8648225 Process for hydrogenating highly unsaturated hydrocarbons and catalyst therefor Feb. 11, 2014
8648227 Method for extracting pure styrene from a pyrolysis benzine fraction 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
8586811 Processes and hydrocarbon processing apparatuses for preparing mono-olefins Nov. 19, 2013
8563793 Integrated processes for propylene production and recovery Oct. 22, 2013
8519207 Use of a mixture of an ordered intermetallic compound and an inert material as a catalyst and corresponding hydrogenation processes Aug. 27, 2013
8487150 Process for hydrogenating butadiyne Jul. 16, 2013
8476186 Selective hydrogenation catalyst and process for its preparation Jul. 2, 2013
8471082 Process for converting methane to ethylene Jun. 25, 2013
8450550 Process and apparatus for producing propylene May. 28, 2013
8431094 Selective CO oxidation for acetylene converter feed CO control Apr. 30, 2013
8426660 Process for purification of ethylene-containing feedstreams Apr. 23, 2013
8410015 Process for liquid phase hydrogenation Apr. 2, 2013
8395002 Use of catalytic distillation for benzene separation and purification Mar. 12, 2013
8362308 Process for preparing a C4-olefin mixture by selective hydrogenation and metathesis process for using this stream Jan. 29, 2013
8350106 Selective hydrogenation of unsaturated aliphatic hydrocarbons in predominantly aromatic streams Jan. 8, 2013
8338654 Hydrogenation process using catalyst comprising ordered intermetallic compound Dec. 25, 2012
8329971 Regeneration of catalyst used in purification of aromatic streams Dec. 11, 2012
8323590 Water gas shift for acetylene converter feed CO control Dec. 4, 2012
8293959 Purification of an aromatic fraction containing acetylenes by selective hydrogenation of the acetylenes Oct. 23, 2012
8283507 Water gas shift for acetylene converter feed CO control Oct. 9, 2012
8258357 Production of propylene from butane Sep. 4, 2012
8258356 Selective CO oxidation for acetylene converter feed CO control Sep. 4, 2012
8227650 Process and catalyst for selective hydrogenation of dienes and acetylenes Jul. 24, 2012
8216450 Removal of bromine index contaminants from aromatic streams Jul. 10, 2012
8188327 Isooctene/isooctane process May. 29, 2012
8158837 Method for selective hydrogenation of acetylene to ethylene Apr. 17, 2012
8080697 Process for the production of ethylene from natural gas with heat integration Dec. 20, 2011
8067334 Selective hydrogenation catalyst Nov. 29, 2011
8048295 Process for decreasing bromine-reactive contaminants in hydrocarbon feeds Nov. 1, 2011
8025858 Apparatus and process for light olefin recovery Sep. 27, 2011
8013197 Absorption and conversion of acetylenic compounds Sep. 6, 2011
7964762 Production of propylene and ethylene from butane and ethane Jun. 21, 2011
7959793 Optimum process for selective hydrogenation/hydro-isomerization, aromatic saturation, gasoline, kerosene and diesel/distillate desulfurization (HDS). RHT-hydrogenationSM, RHT-HDSSM Jun. 14, 2011
7935855 Process and apparatus for treating a feed comprising butadiene May. 3, 2011
7927480 Process for desulfurization of cracked naphtha Apr. 19, 2011
7923588 Process for preparing a C4-olefin mixture by selective hydrogenation and metathesis process for using this stream Apr. 12, 2011
7838712 Steam-cracking of modified naphtha Nov. 23, 2010
7820037 Desulfurizing agent manufacturing method and hydrocarbon desulfurization method Oct. 26, 2010
7816571 Selective hydrogenation process using layered catalyst composition Oct. 19, 2010
7781632 Integrated processes for making detergent range alkylbenzenes from C5-C6-containing feeds Aug. 24, 2010
7781631 Integrated processes for making detergent range alkylbenzenes from C.sub.5-C.sub.6-containing feeds Aug. 24, 2010
7781630 Integrated processes for making detergent range alkylbenzenes from C.sub.5-C.sub.6-containing feeds Aug. 24, 2010
7763164 Gasoline sulfur reduction in FCCU cracking Jul. 27, 2010
7727929 Process and catalyst for the selective hydrogenation of diolefins contained in an olefin containing stream and for the removal of arsenic therefrom and a method of making such catalyst Jun. 1, 2010
7728185 Integration of olefin cracking with metathesis to increase light olefins production Jun. 1, 2010
7692051 Process for liquid phase hydrogenation Apr. 6, 2010

1 2 3 4 5 6










 
 
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