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Browse by Category: Main > Chemistry
Class Information
Number: 502/126
Name: Catalyst, solid sorbent, or support therefor: product or process of making > Catalyst or precursor therefor > Plural component system comprising a - group i to iv metal hydride or organometallic compound - and b - group iv to viii metal, lanthanide or actinde compound - (i.e., alkali metal, ag, au, cu, alkaline earth metal, be, mg, zn, cd, hg, sc, y, al, ga, in, tl, ti, zn, hf, ge, sn or pb hydride or organometallic compound and ti, zr, hf, ge, sn, pb, v, nb, ta, as, sb, bi, cr, mo, w, po, mn, tc, re, iron group, platinum group, atomic number 57 to 71 inclusive or atomic number 89 or higher compound) > Component a metal is group ia, iia or iiia and component b metal is group ivb to viib or viii (i.e., alkali metal, alkaline earth metal, be, mg, al, ga, in or tl and ti, zr, hf, v, nb, ta, cr, mo, w, mn, tc, re, iron group or platinum group) (e.g., ziegler catalyst, etc.) > And a third component c (i.e., an additive other than a saturated hydrocarbon or an aromatic hydrocarbon free of aliphatic or cycloaliphatic unsaturation) > Nonmetallic organic oxygen containing > Ether
Description: Composition in which the oxygen is bonded to two noncarbonylic carbons.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11

Patent Number Title Of Patent Date Issued
8680222 Catalyst composition for the copolymerization of propylene Mar. 25, 2014
8642494 Fibres and nonwoven prepared from polypropylene having a large dispersity index Feb. 4, 2014
8604143 Catalysts for polymerization of isoprene and preparations and uses thereof Dec. 10, 2013
8546289 Solid catalyst component for olefin polymerization, catalyst for olefin polymerization and process for producing olefin polymer Oct. 1, 2013
8536290 Procatalyst composition with alkoxyalkyl 2-propenoate internal electron donor and polymer from same Sep. 17, 2013
8497328 Catalyst components for the polymerization of olefins and catalysts therefrom obtained Jul. 30, 2013
8394734 Solid catalyst for propylene polymerization and a method for preparation of polypropylene using the same Mar. 12, 2013
8383540 Catalyst composition with halo-malonate internal electron donor and polymer from same Feb. 26, 2013
8293672 Solid catalyst component for olefin polymerization, catalyst for olefin polymerization and process for producing olefin polymer Oct. 23, 2012
8258247 Catalyst component for polymerization of ethylene and process for producing ethylene polymer (2) Sep. 4, 2012
8193288 Supported nonmetallocene catalyst and preparation thereof Jun. 5, 2012
8063160 Propylene-ethylene copolymers and process for their preparation Nov. 22, 2011
8034735 Catalyst component for the polymerization of olefins Oct. 11, 2011
7989383 Self limiting catalyst composition and propylene polymerization process Aug. 2, 2011
7893003 Catalyst composition with mixed selectivity control agent and method Feb. 22, 2011
7851395 Controlled distribution of stereospecific sites in Ziegler-Natta catalyst systems Dec. 14, 2010
7741418 Process for producing polydienes Jun. 22, 2010
7582712 Alpha-olefins polymerization catalyst Sep. 1, 2009
7566676 Preparation method of solid titanium catalyst for olefin polymerization Jul. 28, 2009
7560521 Components and catalysts for the polymerization of olefins Jul. 14, 2009
7544748 Components and catalysis for the polymerization of olefins Jun. 9, 2009
7427653 Catalyst components for the polymerization of olefins Sep. 23, 2008
7405176 Solid main catalyst component for ethylene polymerization, a process for preparing the same and a catalyst containing the same Jul. 29, 2008
7402638 Propylene polymer particle method of producing the same and use thereof Jul. 22, 2008
7332455 Catalyst component and catalyst for olefin polymerization as well as use thereof Feb. 19, 2008
7323431 Catalyst for olefin polymerization and use of the same Jan. 29, 2008
7316987 Components and catalysts for the polymerization of olefins Jan. 8, 2008
7307035 Magnesium dichloride-alcohol adducts and catalyst components obtained therefrom Dec. 11, 2007
7256151 Solid catalyst component for .alpha.-olefin polymerization, process for producing catalyst therefor, and process for producing .alpha.-olefin polymer Aug. 14, 2007
7232785 Solid catalytic component and catalytic system of the ziegler-natta type, process for their preparation and their use in the polymerization of alk-1-enes Jun. 19, 2007
7223712 Catalyst component for the (CO)polymerization of olefins May. 29, 2007
7220696 Solid titanium catalyst component for olefin polymerization, catalyst for olefin polymerization, and process for olefin polymerization May. 22, 2007
7211535 Enhanced polyolefin catalyst May. 1, 2007
7208436 Catalyst components for the polymerization of olefins Apr. 24, 2007
7166682 Process to prepare a particulated metallocene catalyst with a modified aluminoxane and use in polymerization of olefins Jan. 23, 2007
7153804 Catalyst component for ethylene polymerization, the preparation thereof and catalyst comprising the same Dec. 26, 2006
7151071 Method for preparation of a solid titanium catalyst for olefin polymerization Dec. 19, 2006
7138469 Process for the polymerization of olefins Nov. 21, 2006
7135532 Process for producing solid catalyst component and catalyst for .alpha.-olefin polymerization, and process for producing .alpha.-olefin polymer Nov. 14, 2006
7129303 Method for producing homo- and co-polymers of ethylene Oct. 31, 2006
7098164 Process for the polymerization of olefins Aug. 29, 2006
RE39246 Esterification catalysts and processes therefor and therewith Aug. 22, 2006
7091289 Solid catalyst component for polymerization of ethylene, preparation thereof and a catalyst containing the same Aug. 15, 2006
7081505 Activating organometallic composition for the (co) polymerization of alpha-olefins comprising fluorinated cyclopentadienyl compounds Jul. 25, 2006
7049377 1,3-diethers and components and catalysts for the polymerization of olefins, containing said diethers May. 23, 2006
7049263 Process for producing catalyst for .alpha.-olefin polymerization and process for producing .alpha.-olefin polymer May. 23, 2006
7045481 Nanocatalyst anchored onto acid functionalized solid support and methods of making and using same May. 16, 2006
7033970 Process for preparing a diether-based catalyst component Apr. 25, 2006
6998449 Latent metallocene catalyst systems for olefin polymerization Feb. 14, 2006
6933258 Catalyst composition and methods for its preparation and use in a polymerization process Aug. 23, 2005

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