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Browse by Category: Main > Chemistry
Class Information
Number: 585/517
Name: Chemistry of hydrocarbon compounds > Unsaturated compound synthesis > By addition of entire unsaturated molecules, e.g., polymerization, etc. > Plural serial polymerization stages
Description: Subject matter wherein the effluent of a polymerization is sent to a further polymerization stage.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8680353 Process for preparing oligomers of butene Mar. 25, 2014
8618342 Process for the production of alkylbenzenes from an olefinic feedstock produced by oligomerization that is catalyzed homogeneously Dec. 31, 2013
8536392 Series catalyst beds Sep. 17, 2013
8481796 Olefin oligomerization and compositions therefrom Jul. 9, 2013
8461405 Process for the production of branched alkylbenzenes that uses a renewable carbon source Jun. 11, 2013
8395007 Diesel and jet fuels based on the oligomerization of butene Mar. 12, 2013
8350107 Selective isomerization and oligomerization of olefin feedstocks for the production of turbine and diesel fuels Jan. 8, 2013
8344196 Selective isomerization and oligomerization of olefin feedstocks for the production of turbine and diesel fuels Jan. 1, 2013
8242319 Selective isomerization and oligomerization of olefin feedstocks for the production of turbine and diesel fuels Aug. 14, 2012
8143467 Process for synthetic lubricant production Mar. 27, 2012
8128879 Apparatus for increasing weight of olefins Mar. 6, 2012
8080699 Two-stage process and system for forming high viscosity polyalphaolefins Dec. 20, 2011
7858833 Process for generating linear alpha olefin comonomers Dec. 28, 2010
7803978 Process and apparatus for oligomerization in multiple stages with single fractionation column Sep. 28, 2010
7786337 Olefin oligomerization process Aug. 31, 2010
7692049 Hydrocarbon compositions useful for producing fuels and methods of producing the same Apr. 6, 2010
7678954 Olefin oligomerization to produce hydrocarbon compositions useful as fuels Mar. 16, 2010
7678953 Olefin oligomerization Mar. 16, 2010
7667086 Olefin oligomerization and biodegradable compositions therefrom Feb. 23, 2010
7588738 Series catalyst beds Sep. 15, 2009
7196238 Process for dimerizing light olefins Mar. 27, 2007
7161054 Preparation of oligomers of alkenes having from 4 to 8 carbon atoms Jan. 9, 2007
6841711 Process for making a lube base stock from a lower molecular weight feedstock in a catalytic distillation unit Jan. 11, 2005
6686511 Process for making a lube base stock from a lower molecular weight feedstock using at least two oligomerization zones Feb. 3, 2004
6646173 Sequence of processes for olefin oligomerisation Nov. 11, 2003
6586541 Process for production of polyolefins Jul. 1, 2003
6548724 Oligomer oils and their manufacture Apr. 15, 2003
6548723 Oligomer oils and their manufacture Apr. 15, 2003
6518473 Dimerizing olefins to make lube base stocks Feb. 11, 2003
6444866 Sequence of processes for olefin oligomerization Sep. 3, 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
6004256 Catalytic distillation oligomerization of vinyl monomers to make polymerizable vinyl monomer oligomers uses thereof and methods for same Dec. 21, 1999
5945574 Olefin oligomerization process and catalysts therefor Aug. 31, 1999
5856610 Process for producing ethylene-.alpha.-olefin copolymers Jan. 5, 1999
5817902 Process for preparing .alpha.-olefins Oct. 6, 1998
5811617 Olefin oligomerization process Sep. 22, 1998
5245097 Ethylene oligomerization Sep. 14, 1993
5238998 Toner and developer compositions with liquid glass resins Aug. 24, 1993
5210347 Process for the production of high cetane value clean fuels May. 11, 1993
RE34189 Conversion of paraffins to gasoline Mar. 2, 1993
5177279 Integrated process for converting methanol to gasoline and distillates Jan. 5, 1993
5068048 Lubricants and lube additives from epoxidation of lower olefin oligomers Nov. 26, 1991
5019357 Reactor system for upgrading light olefins in staged reactors May. 28, 1991
5000840 Catalytic dewaxing of lubricating oil stock derived from oligomerized olefin Mar. 19, 1991
4926003 Process for combining the regeneratorless operation of tandem super-dense riser and fluid-bed oligomerization reactors containing a zeolite oligomerization catalyst May. 15, 1990
4855527 Olefin oligomerization with surface modified zeolite Aug. 8, 1989
4855524 Process for combining the operation of oligomerization reactors containing a zeolite oligomerization catalyst Aug. 8, 1989
4835335 Process for two-stage catalytic conversion of an olefins-containing feed May. 30, 1989
4822945 Preparation of decene oligomers and use thereof as lubricating oils Apr. 18, 1989
4804794 Viscosity modifier polymers Feb. 14, 1989

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