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Class Information
Number: 585/515
Name: Chemistry of hydrocarbon compounds > Unsaturated compound synthesis > By addition of entire unsaturated molecules, e.g., polymerization, etc. > Definite molecular weight product, e.g., dimer, etc. > Using s-containing catalyst
Description: Subject matter catalyzed by a material which contains sulfur in free or combined form.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8502006 Dimerization process Aug. 6, 2013
8492603 Selectivated isoolefin dimerization using metalized resins Jul. 23, 2013
8067655 Diisobutylene process Nov. 29, 2011
7847140 Process for making higher olefins Dec. 7, 2010
7554001 Trimerisation and oligomerisation of olefins using a chromium based catalyst Jun. 30, 2009
7414164 Diisobutylene process Aug. 19, 2008
7323524 Tandem tetramerisation-polymerisation of olefins Jan. 29, 2008
7304196 Fuel components and their selective manufacturing methods Dec. 4, 2007
7291759 Oligomerization of alkenes in a plurality of successive heterogeneous catalyst zones Nov. 6, 2007
7259285 Oligomerization catalyst, a method for production and the use thereof Aug. 21, 2007
7012167 Diisobutylene process Mar. 14, 2006
7002053 Method for preparing high-purity diisobutene Feb. 21, 2006
6927313 Process for the selective oligomerization of ethylene Aug. 9, 2005
6900152 Catalyst for trimerization of ethylene and process for trimerizing ethylene using the catalyst May. 31, 2005
6897347 Fuel components and their selective manufacturing methods May. 24, 2005
6875900 Upflow oligomerization reaction process Apr. 5, 2005
6743960 Method for oligomerizing olefins to form higher olefins using sulfur-containing and sulfur-tolerant catalysts Jun. 1, 2004
6500999 Process for the production of hydrocarbons with a high octane number by means of the selective dimerization of isobutene with acid catalysts Dec. 31, 2002
6459007 Process for the preparation of 1-hexene Oct. 1, 2002
6420305 Solid acid catalyst, method for producing the same and reaction method using the same Jul. 16, 2002
6399843 Upflow oligomerization reaction process Jun. 4, 2002
6384291 Oligomerization catalyst system and method of making and method of using such catalyst system in the oligomerization of olefins May. 7, 2002
6376731 Selective olefin oligomerization Apr. 23, 2002
6284937 Process and unit for carrying out a reaction on an organic feed, such as dimerisation or metathesis, in the presence of a polar phase containing a catalyst Sep. 4, 2001
6281401 Oligomerization of olefins Aug. 28, 2001
6239321 Upgrading light oligomers May. 29, 2001
6143936 Process for producing an ether and an olefin from a hydrocarbon cut containing at least one tertiary olefin by synthesizing then decomposing an ether, comprising a first step for purifying the Nov. 7, 2000
6121502 Process for manufacture of linear alpha-olefins using a titanium component and an organoaluminum halide component Sep. 19, 2000
6011191 Process for the production of hydrocarbons with a high octane number by the selective dimerization of isobutene Jan. 4, 2000
5962761 Process for linear alpha-olefin production Oct. 5, 1999
5877372 Isobutylene oligomerization using isooctane diluent Mar. 2, 1999
5859263 Method and apparatus for production of levulinic acid via reactive extrusion Jan. 12, 1999
5650548 Olefin oligomerization process Jul. 22, 1997
5557023 Olefin oligomerization in the presence of novel complexes Sep. 17, 1996
5502264 Method of preparing unsaturated dimers of .alpha.-methylstyrenes Mar. 26, 1996
5430212 Olefin oligomerization Jul. 4, 1995
5276239 Dimerization of long-chain olefins using a silica gel alkylsulfonic acid Jan. 4, 1994
5260499 Ethylene dimerization and catalyst therefor Nov. 9, 1993
5243118 Process for oligomerizing olefins using sulfate-activated molecular sieves Sep. 7, 1993
5124299 Catalysis using blends of perfluorinated ion-exchange polymers with perfluorinated diluents Jun. 23, 1992
5113034 Dimerization catalyst and process therefor May. 12, 1992
5105047 Catalysis using blends of perfluorinated ion-exchange polymers with perfluorinated diluents Apr. 14, 1992
5094995 Supported perfluorinated ion-exchange polymers Mar. 10, 1992
5008466 Process for the isomerization of alkenes having a terminal double bond to give alkenes having an internal double bond Apr. 16, 1991
4973789 Lower alkene polymers Nov. 27, 1990
4910356 Acid catalyzed reduction Mar. 20, 1990
4711969 Oligomerization of ethylene in methanol and water Dec. 8, 1987
4689437 Oligomerization to alpha-olefins Aug. 25, 1987
4686315 Oligomerization of ethylene using nickel ylide/alkyl aluminum alkoxide catalyst Aug. 11, 1987
4677241 Olefin oligomerization process and catalyst Jun. 30, 1987

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