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Class Information
Number: 585/250
Name: Chemistry of hydrocarbon compounds > Adding hydrogen to unsaturated bond of hydrocarbon, i.e., hydrogenation
Description: Subject matter where elemental hydrogen is included or produced in a reaction and the hydrogen causes an unsaturated bond of a hydrocarbon to become less unsaturated.

Sub-classes under this class:

Class Number Class Name Patents
585/257 By hydrogen transfer from other hydrocarbon 29
585/266 Hydrocarbon is aromatic 175
585/258 Hydrocarbon is contaminant in desired hydrocarbon 130
585/271 Partial 82
585/265 Plural hydrogenation stages 61
585/275 Using transition metal-containing catalyst 203
585/254 With preliminary diverse conversion 76
585/264 With preliminary treatment of feed or plural separation procedures 91
585/251 With subsequent diverse conversion 54
585/263 With temperature or concentration gradient in reactor or specified provision for heating, cooling, or reactor control 38

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8664459 Process for hydrogenating olefins Mar. 4, 2014
8637425 Process for preparing a Ni/Sn supported catalyst for the selective hydrogenation of polyunsaturated hydrocarbons Jan. 28, 2014
8637719 Catalyst comprising palladium and its application in selective hydrogenation Jan. 28, 2014
8557985 Process for continuous hydrogenation or hydrogenating amination Oct. 15, 2013
8519204 Stabilization methods for microbial-derived olefins Aug. 27, 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
8518351 Apparatus for producing diesel Aug. 27, 2013
8506888 High shear hydrogenation of wax and oil mixtures Aug. 13, 2013
8491777 High shear hydrogenation of wax and oil mixtures Jul. 23, 2013
8491778 High shear hydrogenation of wax and oil mixtures Jul. 23, 2013
8487150 Process for hydrogenating butadiyne Jul. 16, 2013
8481796 Olefin oligomerization and compositions therefrom Jul. 9, 2013
8475745 Apparatus for hydroprocessing hydrocarbons Jul. 2, 2013
8471082 Process for converting methane to ethylene Jun. 25, 2013
8470251 Apparatus for separating pitch from slurry hydrocracked vacuum gas oil Jun. 25, 2013
8450543 Integrated methods of preparing renewable chemicals May. 28, 2013
8389781 Catalyst with supplement component for hydroprocessing of bio-feedstock Mar. 5, 2013
8383251 Substituted pyrenes and associated production methods for luminescent applications Feb. 26, 2013
8383872 Multiphase reaction process using microchannel technology Feb. 26, 2013
8367883 Synthetic naphtha manufacturing method Feb. 5, 2013
8362308 Process for preparing a C4-olefin mixture by selective hydrogenation and metathesis process for using this stream Jan. 29, 2013
8349263 High energy reduction in a propane dehydrogenation unit by utilizing a high pressure product splitter column Jan. 8, 2013
8338654 Hydrogenation process using catalyst comprising ordered intermetallic compound Dec. 25, 2012
8329974 Filtration tray for fixed bed reactor with a co-current down-flow of gas and liquid Dec. 11, 2012
8314276 Liquid phase hydroprocessing with temperature management Nov. 20, 2012
8309777 Sulfur tolerant noble metal containing aromatics hydrogenation catalyst and a method of making and using such catalyst Nov. 13, 2012
8293959 Purification of an aromatic fraction containing acetylenes by selective hydrogenation of the acetylenes Oct. 23, 2012
8258356 Selective CO oxidation for acetylene converter feed CO control Sep. 4, 2012
8257673 Process for removing sulfur from separate less reactive and more reactive fuel gas streams containing organic sulfur and light olefins Sep. 4, 2012
8242318 Catalytic hydrogenation Aug. 14, 2012
8227650 Process and catalyst for selective hydrogenation of dienes and acetylenes Jul. 24, 2012
8221706 Apparatus for multi-staged hydroprocessing Jul. 17, 2012
8203027 Continuous process and plant design for conversion of biogas to liquid fuel Jun. 19, 2012
8202480 Apparatus for separating pitch from slurry hydrocracked vacuum gas oil Jun. 19, 2012
8158069 Apparatus for mild hydrocracking Apr. 17, 2012
8158070 Apparatus for hydroprocessing two streams Apr. 17, 2012
8158837 Method for selective hydrogenation of acetylene to ethylene Apr. 17, 2012
8013197 Absorption and conversion of acetylenic compounds Sep. 6, 2011
8013196 Process for the production of ethylene Sep. 6, 2011
8003837 Catalysts for dehydrogenation and/or hydrogenation of hydrocarbons, processes for preparing the same, and uses therefor Aug. 23, 2011
7989670 Process to produce high viscosity fluids Aug. 2, 2011
7960599 Method for making industrial chemicals Jun. 14, 2011
7939699 Cobalt catalysts May. 10, 2011
7927480 Process for desulfurization of cracked naphtha Apr. 19, 2011
7919065 Apparatus and methods for the production of ammonia and Fischer-Tropsch liquids Apr. 5, 2011
7919659 Catalyst for cycloolefin production and process for production Apr. 5, 2011
7896935 Process of conducting reactions or separation in a microchannel with internal fin support for catalyst or sorption medium Mar. 1, 2011
7858787 Process for producing olefins Dec. 28, 2010
7838471 Blend comprising group II and group IV basestocks Nov. 23, 2010
7820037 Desulfurizing agent manufacturing method and hydrocarbon desulfurization method Oct. 26, 2010

1 2 3 4

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