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Class Information
Number: 585/326
Name: Chemistry of hydrocarbon compounds > Plural serial diverse syntheses > To produce unsaturate > Polyolefin
Description: Subject matter wherein the olefinic unsaturation comprises two or more olefinically unsaturated bonds.










Sub-classes under this class:

Class Number Class Name Patents
585/327 From o compound feed or intermediate 88


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8704027 Process for preparing ethylene and propylene Apr. 22, 2014
8686207 Process for preparing ethylene and propylene Apr. 1, 2014
8686211 Process for preparing ethylene and/or propylene and a butadiene-enriched product Apr. 1, 2014
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
8471084 Process for increasing weight of olefins Jun. 25, 2013
8395005 Production of 1-butene and propylene from ethylene Mar. 12, 2013
8252150 Extractive distillation process for recovering butadiene from C.sub.4 hydrocarbon mixtures Aug. 28, 2012
8249748 Method and apparatus for managing volatile organic content in polyolefin Aug. 21, 2012
8207387 Integrated dimethyl ether recovery from an oxygenate-to-olefins process and production of polypropylene Jun. 26, 2012
8129572 Process for codimerizing olefins Mar. 6, 2012
8003841 Integration of OTO process with direct DME synthesis Aug. 23, 2011
7982085 In-line process for generating comonomer Jul. 19, 2011
7957947 Method and apparatus for managing volatile organic content in polyolefin Jun. 7, 2011
7915467 Semiconductor wafer and semiconductor device Mar. 29, 2011
7888542 Process for producing a saturated hydrocarbon component Feb. 15, 2011
7847141 Process for improving gasoline cuts and conversion into gas oils Dec. 7, 2010
7795484 Process for the manufacture of base oil Sep. 14, 2010
7795194 Synthetic lubricating oil and lubricating oil composition Sep. 14, 2010
7763765 Method of high pressure and high capacity oxygenate conversion with catalyst exposure cycle Jul. 27, 2010
7732537 Methods addressing aging in flocculated molecular sieve catalysts for hydrocarbon conversion processes Jun. 8, 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
7687672 In-line process for generating comonomer Mar. 30, 2010
7544851 Method of synthesizing aluminophosphate and silicoaluminophosphate molecular sieves Jun. 9, 2009
7518026 Catalyst and process for the conversion of oxygenates to olefins Apr. 14, 2009
7511184 Molecular sieve catalyst composition, its making and use in conversion processes Mar. 31, 2009
7476773 Process for preparing a gas oil by oligomerization Jan. 13, 2009
7473812 Method for producing butene oligomers and tert-butyl ethers from C.sub.4 flows containing isobutene Jan. 6, 2009
7456329 Polyolefins from non-conventional feeds Nov. 25, 2008
7456330 Molecular sieve catalyst composition, its making and use in conversion processes Nov. 25, 2008
7411106 Molecular sieve compositions, catalyst thereof, their making and use in conversion processes Aug. 12, 2008
7402718 Conversion process Jul. 22, 2008
7378562 Process for removal of alkynes and/or dienes from an olefin stream May. 27, 2008
7378563 Molecular sieve compositions, catalysts thereof, their making and use in conversion processes May. 27, 2008
7358410 Processes for forming polypropylene from an oxygenate-contaminated monomer feedstock Apr. 15, 2008
7355086 Method for stabilizing catalyst activity during MTO unit operation Apr. 8, 2008
7319178 Molecular sieve compositions, catalysts thereof, their making and use in conversion processes Jan. 15, 2008
7309806 Maintaining molecular sieve catalytic activity under water vapor conditions Dec. 18, 2007
7238844 Olefin oligomerization Jul. 3, 2007
7193121 Method for producing 4-vinylcyclohexene, ethyl benzole and styrene Mar. 20, 2007
7183450 Olefin oligomerization Feb. 27, 2007
7157533 Process of obtaining an isoprene-enriched FCC C5 fraction and selective polymerization of isoprene from said fraction Jan. 2, 2007
7154013 Olefin metathesis Dec. 26, 2006
7041861 Olefin metathesis May. 9, 2006
6884914 Olefin oligomerization Apr. 26, 2005
6844476 Process to control conversion of C4+ and heavier stream to lighter products in oxygenate conversion reactions Jan. 18, 2005
6841711 Process for making a lube base stock from a lower molecular weight feedstock in a catalytic distillation unit Jan. 11, 2005
6770791 Production of olefin dimers and oligomers Aug. 3, 2004
6768034 Catalytic production of olefins at high methanol partial pressures Jul. 27, 2004

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