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Class Information
Number: 585/330
Name: Chemistry of hydrocarbon compounds > Plural serial diverse syntheses > To produce unsaturate > Including polymerization of olefin > And a preliminary unsaturation step, e.g., cracking, dehydrogenation, etc.
Description: Subject matter wherein the polymerization step is subsequent to a step wherein the hydrogen content of a hydrocarbon molecule is reduced.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8629073 Catalyst comprising an izm-2 zeolite and at least one metal, and its use in the transformation of hydrocarbons Jan. 14, 2014
8575410 Process for oligomerizing dilute ethylene Nov. 5, 2013
8507742 Process for producing olefins Aug. 13, 2013
8470165 Process for the production of high-quality kerosene and diesel fuels for the coproduction of hydrogen from saturated light cuts Jun. 25, 2013
8471084 Process for increasing weight of olefins Jun. 25, 2013
8450543 Integrated methods of preparing renewable chemicals May. 28, 2013
8440872 Process for preparing poly alpha olefins and lubricant basestocks from Fischer-Tropsch liquids May. 14, 2013
8173855 Process for the production of low-concentration ethylene for chemical use May. 8, 2012
8124819 Oligomerization process Feb. 28, 2012
8071833 Production of olefins Dec. 6, 2011
8034987 Process for producing propylene and aromatic hydrocarbons, and producing apparatus therefor Oct. 11, 2011
7964762 Production of propylene and ethylene from butane and ethane Jun. 21, 2011
7956227 Oligomerization of hydrocarbons Jun. 7, 2011
7919660 Methods of converting methanol feedstock to olefins Apr. 5, 2011
7897826 Process and plant for oligomerization/polymerization of ethylene and/or alphaolefins Mar. 1, 2011
7888542 Process for producing a saturated hydrocarbon component Feb. 15, 2011
7868216 Production of propylene employing dimerising ethylene to 1-butene, hydroisomerization to 2-butene and metathesis by ethylene Jan. 11, 2011
7847141 Process for improving gasoline cuts and conversion into gas oils Dec. 7, 2010
7820033 Method for adjusting yields in a light feed FCC reactor Oct. 26, 2010
7767770 Process for the oxidative dehydrogenation of ethane Aug. 3, 2010
7754934 Process for producing ethylene and propylene Jul. 13, 2010
7728185 Integration of olefin cracking with metathesis to increase light olefins production Jun. 1, 2010
7705193 Process for improving gasoline fractions and gasoil conversion with additional treatment to increase the gasoil fraction yield Apr. 27, 2010
7696395 Dehydrogenation and polymerization process Apr. 13, 2010
7678952 Process to prepare a gasoline Mar. 16, 2010
7655825 Method for the production of synthetic fuels from oxygenates Feb. 2, 2010
7601309 Metathesis unit pretreatment process with formation of octene Oct. 13, 2009
7601254 Integrated fluid catalytic cracking process Oct. 13, 2009
7550638 Integrated cracking and metathesis process Jun. 23, 2009
7525000 Acetylene removal methods and apparatus Apr. 28, 2009
7525007 Production of propylene from steam cracking of hydrocarbons, particularly ethane Apr. 28, 2009
7459593 Metathesis unit pretreatment process with formation of octene Dec. 2, 2008
7378562 Process for removal of alkynes and/or dienes from an olefin stream May. 27, 2008
7374662 Method for jointly producing propylene and petrol from a relatively heavy charge May. 20, 2008
7355086 Method for stabilizing catalyst activity during MTO unit operation Apr. 8, 2008
7329787 Process for transforming hydrocarbons into a fraction having an improved octane number and a fraction with a high cetane index Feb. 12, 2008
7273542 Process and apparatus for recovering olefins Sep. 25, 2007
7270739 Fractionating and further cracking a C.sub.6 fraction from a naphtha feed for propylene generation Sep. 18, 2007
7267759 Fractionating and further cracking a C.sub.6 fraction from a naphtha feed for propylene generation Sep. 11, 2007
7223895 Production of propylene from steam cracking of hydrocarbons, particularly ethane May. 29, 2007
7150821 High purity olefinic naphthas for the production of ethylene and propylene Dec. 19, 2006
7041271 Integrated olefin recovery and hydrogen production from refinery off-gases May. 9, 2006
6958426 Process for separating C5 cuts obtained from a petroleum cracking process Oct. 25, 2005
6777582 Process for producing propylene and hexene from C4 olefin streams Aug. 17, 2004
6706936 Process for making a lube base stock from a lower molecular weight feedstock Mar. 16, 2004
6703535 Process for upgrading fischer-tropsch syncrude using thermal cracking and oligomerization Mar. 9, 2004
6596912 Conversion of methane to C4+ aliphatic products in high yields using an integrated recycle reactor system Jul. 22, 2003
6541578 Increased space-time yield in gas phase polymerization Apr. 1, 2003
6388152 Process for producing polypropylene from C3 olefins selectively produced in a fluid catalytic cracking process May. 14, 2002
6339181 Multiple feed process for the production of propylene Jan. 15, 2002

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