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Class Information
Number: 585/253
Name: Chemistry of hydrocarbon compounds > Adding hydrogen to unsaturated bond of hydrocarbon, i.e., hydrogenation > With subsequent diverse conversion > Isomerization
Description: Subject matter wherein the hydrogenated feedstock is treated to change its molecular configuration without a change in its molecular weight.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8685175 Apparatus and process for isomerizing a hydrocarbon stream Apr. 1, 2014
8658018 Lubricant base oil blend having low wt% noack volatility Feb. 25, 2014
8546628 Hydroisomerization process using molecular sieve SSZ-81 Oct. 1, 2013
8495880 Thermal management using topological isomerization of fuel Jul. 30, 2013
8450544 Method for preparing high energy fuels May. 28, 2013
8318998 Enhanced catalyst performance for production of vinyl terminated propylene and ethylene/propylene macromers Nov. 27, 2012
8062613 Apparatus and process for isomerizing a hydrocarbon stream Nov. 22, 2011
7960597 Conversion of vegetable oils to base oils and transportation fuels Jun. 14, 2011
7960599 Method for making industrial chemicals Jun. 14, 2011
7888540 Integrated system and method for producing fuel composition from biomass Feb. 15, 2011
7888541 Double bond hydroisomerization of butenes Feb. 15, 2011
7550635 Process for the preparation hydrogen and a mixture of hydrogen and carbon monoxide Jun. 23, 2009
7534340 Process for the preparation of middle distillates and lube bases starting from synthetic hydrocarbon feedstocks May. 19, 2009
7442290 Mesoporous aluminum oxide, preparation and use thereof Oct. 28, 2008
7273542 Process and apparatus for recovering olefins Sep. 25, 2007
7256152 Composition of catalyst and solvent and catalysis processes using this composition Aug. 14, 2007
6566569 Conversion of refinery C5 paraffins into C4 and C6 paraffins May. 20, 2003
6420619 Cracked gas processing and conversion for propylene production Jul. 16, 2002
6320088 Traction drive fluid Nov. 20, 2001
6048450 Process for the selective reduction to the content of benzene and light unsaturated compounds in a hydrocarbon cut Apr. 11, 2000
6025305 Process for producing a lubricant base oil having improved oxidative stability Feb. 15, 2000
6008164 Lubricant base oil having improved oxidative stability Dec. 28, 1999
6005156 Para-xylene separation process comprising pretreatment by selective hydrogenation and by activated clay Dec. 21, 1999
5998685 Process for preparing butene oligomers from field butanes Dec. 7, 1999
5981818 Integrated cracking and olefins derivative process utilizing dilute olefins Nov. 9, 1999
5962755 Process for the isomerization of benzene containing feed streams Oct. 5, 1999
5855917 Method for controlling body fat and/or body weight in animals and pharmaceutical compositions for use therein comprising 20-carbon conjugated unsaturated fatty acids Jan. 5, 1999
5834522 Hydroisomerization treatment process for feeds from the fisher-tropsch process Nov. 10, 1998
5830345 Process of producing a debenzenated and isomerized gasoline blending stock by using a dual functional catalyst Nov. 3, 1998
5770781 Method for eliminating carbon oxides in feeds to a C5 and C6 paraffin isomerization process Jun. 23, 1998
5763713 Process for the isomerization of benzene containing feed streams Jun. 9, 1998
5763714 Process and apparatus for the production and recovery of p-xylene Jun. 9, 1998
5679241 Olefin plant recovery system employing catalytic distillation Oct. 21, 1997
5674955 Production of polyisobutenes Oct. 7, 1997
5663466 Mixed phase benzene saturation with controlled hydrogen addition Sep. 2, 1997
5595634 Process for selective hydrogenation of highly unsaturated compounds and isomerization of olefins in hydrocarbon streams Jan. 21, 1997
5578196 Process for reducing the benzene content of petrols Nov. 26, 1996
5534658 Process for reducing the benzene content of petrols Jul. 9, 1996
5453552 Isomerization and adsorption process with benzene saturation Sep. 26, 1995
5446222 Oligomers of cyclopentadiene and process for making them Aug. 29, 1995
5366616 Hydrocarbon conversion process using a chromium substituted molecular sieve Nov. 22, 1994
5364997 Process for converting multi-branched heavy hydrocarbons to high octane gasoline Nov. 15, 1994
5360534 Isomerization of split-feed benzene-containing paraffinic feedstocks Nov. 1, 1994
5284984 Gasoline upgrading by aromatics amination Feb. 8, 1994
5235120 Selective isoparaffin synthesis from naphtha Aug. 10, 1993
5210348 Process to remove benzene from refinery streams May. 11, 1993
5019661 Hydroisomerisation process May. 28, 1991
5003118 Isomerization of benzene-containing feedstocks Mar. 26, 1991
4943672 Process for the hydroisomerization of Fischer-Tropsch wax to produce lubricating oil (OP-3403) Jul. 24, 1990
4832819 Process for the hydroisomerization and hydrocracking of Fisher-Tropsch waxes to produce a syncrude and upgraded hydrocarbon products May. 23, 1989

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