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Class Information
Number: 585/668
Name: Chemistry of hydrocarbon compounds > Unsaturated compound synthesis > By double-bond-shift isomerization > Using s-containing catalyst
Description: Subject matter wherein sulfur is present in the catalyst.

Patents under this class:

Patent Number Title Of Patent Date Issued
7956229 Method for producing internal olefin, internal olefin mixture, and oil drilling fluid containing internal olefin mixture Jun. 7, 2011
7655827 Selective isomerization of olefins to alkenes using a mesoporous catalyst Feb. 2, 2010
7462277 Continuous method for separating a C.sub.4 cut Dec. 9, 2008
7405339 Catalyst composition comprising a heteropoly acid, zinc, and a support component and processes therefor and therewith Jul. 29, 2008
7355087 Production of 1-alkenes from mixed olefin streams using catalytic distillation Apr. 8, 2008
7332637 Isomerization of olefins with carboxylic acid Feb. 19, 2008
7132582 Catalytic process for the preparation of isolongifolene Nov. 7, 2006
6875901 Olefin isomerization process Apr. 5, 2005
6841713 Process for preparing bicylo[2.2.1] heptane derivatives Jan. 11, 2005
6768038 Alpha olefin production Jul. 27, 2004
6593505 Catalyst of mixed fluorosulfonic acids Jul. 15, 2003
6420305 Solid acid catalyst, method for producing the same and reaction method using the same Jul. 16, 2002
6281400 Process for preparation of a catalytic microcomposite from a silicate and a highly fluorinated ion exchange resin Aug. 28, 2001
6262326 Process for the preparation of spherically shaped microcomposites Jul. 17, 2001
6215036 Method for producing high purity isobutylene from a butane plus fraction containing isobutylene and butylene-1 Apr. 10, 2001
6137023 Process for the production of high purity isobutene combining reactive distillation with hydroisomerisation and skeletal isomerisation Oct. 24, 2000
5990368 Isomerization of allenes to alkynes with an alkaline-earth metal hydride containing catalyst Nov. 23, 1999
5969205 Process for preparing C.sub.4 --C.sub.6 --alkenes having an internal double bond comprising recycling a portion of a product stream Oct. 19, 1999
5910618 Process for preparing 2,3-dimethyl-2-butene Jun. 8, 1999
5877379 Olefin conversion process involving coke suppressor impregnated catalyst Mar. 2, 1999
5849974 Olefin isomerization process Dec. 15, 1998
5569806 Olefin isomerisation process using metallic catalysts impregnated with organic sulphur-containing compounds before loading into the reactor Oct. 29, 1996
5502269 Process for the isomerization of external olefins to internal olefins concomitantly with diolefin hydrogenation Mar. 26, 1996
5352846 Process for the production of an olefin-free tert, amyl alkyl ether-rich fraction and a n-pentane rich paraffin fraction Oct. 4, 1994
5304696 Process for olefin isomerization Apr. 19, 1994
5120898 Process for isomerizing hydrocarbons Jun. 9, 1992
5105043 Sulfuric acid catalysis and methods of use for isomerization of hydrocarbons Apr. 14, 1992
5082986 Process for producing lube oil from olefins by isomerization over a silicoaluminophosphate catalyst Jan. 21, 1992
5073663 Increasing the level of 2-methyl-2-butene in isoamylene Dec. 17, 1991
5008466 Process for the isomerization of alkenes having a terminal double bond to give alkenes having an internal double bond Apr. 16, 1991
4835328 Process for the production of 2,3-dimethylbutene-1 from propene May. 30, 1989
4724274 Process for producing 2-methyl-2-butene from a 5 carbon atom olefins cut containing 2-methyl-1-butene and at least one n-pentene Feb. 9, 1988
4672147 Method for isomerizing olefins using acidic composite catalysts Jun. 9, 1987
4544780 Catalytic isomerization of tertiary olefins Oct. 1, 1985
4482775 Isomerization of C.sub.4 alkenes Nov. 13, 1984
4396790 Light olefinic hydrocarbon isomerization process Aug. 2, 1983
4367362 Process for the isomerization of N-alkenes Jan. 4, 1983
4288643 Process for preparing 2,3-dimethyl-butene-2 Sep. 8, 1981
4236037 Process for the separation of olefins Nov. 25, 1980
4217461 Olefinic hydrocarbon isomerization process Aug. 12, 1980
4190612 Regioselective isomerization at carbon atom vicinal to doubly bonded tertiary carbon atom by sulfur dioxide catalysis Feb. 26, 1980
4168284 Alpha olefin isomerization in preparing alkane phosphonic acids and intermediates Sep. 18, 1979
4132745 Process for isomerizing 1-butene to 2-butene Jan. 2, 1979
4104321 Process for the separation of olefins Aug. 1, 1978
4048243 Method for the production of ethylbenzene Sep. 13, 1977
3962367 Olefin isomerization using a cobalt-sulfur catalyst Jun. 8, 1976
3956413 Hydrocarbon isomerization catalyst and process May. 11, 1976

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