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Browse by Category: Main > Chemistry
Class Information
Number: 502/134
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) > Metal compound other than which could be produced in situ by reaction of a group ia, iia, or group iiia metal compound present with a titanium or vanadium compound present > Magnesium compound > Halogen containing
Description: Composition in which the Mg compound includes a nonmetal of Group VII.










Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8642494 Fibres and nonwoven prepared from polypropylene having a large dispersity index Feb. 4, 2014
8636974 Titanium dioxide superfine particles and method for producing the same Jan. 28, 2014
8557920 High melt flow polymer of improved durability for pipe applications Oct. 15, 2013
8318626 Internal and external donor compounds for olefin polymerization catalysts III Nov. 27, 2012
8193288 Supported nonmetallocene catalyst and preparation thereof Jun. 5, 2012
8044155 Titanocene-based catalyst system Oct. 25, 2011
7851395 Controlled distribution of stereospecific sites in Ziegler-Natta catalyst systems Dec. 14, 2010
7683003 Method for identifying Ziegler-Natta cocatalysts Mar. 23, 2010
7655590 Ziegler-Natta catalyst for particle size control Feb. 2, 2010
7560521 Components and catalysts for the polymerization of olefins Jul. 14, 2009
7504352 Catalyst for propylene polymerization Mar. 17, 2009
7427653 Catalyst components for the polymerization of olefins Sep. 23, 2008
7390764 Organometal catalyst compositions Jun. 24, 2008
7316987 Components and catalysts for the polymerization of olefins Jan. 8, 2008
7271120 Catalyst for the synthesis of dimethyl carbonate from urea and methanol, preparation and use thereof Sep. 18, 2007
7271119 Process for preparing an olefin polymerization catalyst component Sep. 18, 2007
7256150 Preparation of olefin polymerization catalyst component Aug. 14, 2007
7256151 Solid catalyst component for .alpha.-olefin polymerization, process for producing catalyst therefor, and process for producing .alpha.-olefin polymer Aug. 14, 2007
7220696 Solid titanium catalyst component for olefin polymerization, catalyst for olefin polymerization, and process for olefin polymerization May. 22, 2007
7211534 Preparation of a magnesium halide support for olefin polymerization and a catalyst composition using the same May. 1, 2007
7199201 Synthetic polyisoprene rubber Apr. 3, 2007
7109277 Polymerization catalysts Sep. 19, 2006
7109142 Solid catalyst component and catalyst for olefin polymerization, and process for producing olefin polymer Sep. 19, 2006
7091150 Synthetic polyisoprene rubber Aug. 15, 2006
7074736 Hydrozirconated matrix and process for polyolefin production Jul. 11, 2006
7026265 Catalyst component comprising magnesium, titanium, a halogen and an electron donor, its preparation and use Apr. 11, 2006
7022793 Process for the treatment of polymer compositions Apr. 4, 2006
7022795 Highly crystalline propylene homopolymers Apr. 4, 2006
7015169 Catalyst systems of the ziegler-natta type and their preparation Mar. 21, 2006
7005487 Catalyst system for the polymerization of olefins Feb. 28, 2006
6989342 Catalyst for polymerization and copolymerization of ethylene Jan. 24, 2006
6984603 Organometal catalyst compositions Jan. 10, 2006
6982237 Spray-dried polymerization catalyst and polymerization processes employing same Jan. 3, 2006
6916895 Ziegler-Natta catalyst for tuning MWD of polyolefin, method of making, method of using, and polyolefins made therewith Jul. 12, 2005
6916759 Method for producing a catalyst for homo-or co-polymerization of ethylene Jul. 12, 2005
6914028 Method for producing a catalyst for homo-or co-polymerization of ethylene Jul. 5, 2005
6878659 Solid catalyst component for olefin polymerization and catalyst Apr. 12, 2005
6864207 Ziegler-Natta catalyst for polyolefins Mar. 8, 2005
6864208 Method for production of a solid catalyst for olefin polymerization Mar. 8, 2005
6855656 Polymerization and propylene block copolymer Feb. 15, 2005
6831033 Method of preparing a catalyst for polymerization and copolymerization of ethylene Dec. 14, 2004
6803428 Process for preparing a catalyst support for polymerization of .alpha.-olefins, and support thus obtained Oct. 12, 2004
6777365 Magnesium compound, olefin polymerization catalyst, and method for producing olefin polymer Aug. 17, 2004
6762145 Method of making a catalyst for polymerization and co-polymerization of ethylene Jul. 13, 2004
6734134 Ziegler-natta catalyst for tuning MWD of polyolefin, method of making, method of using, and polyolefins made therewith May. 11, 2004
6730627 Solid component of catalyst for the (co) polymerization of ethylene and .alpha.-olefins May. 4, 2004
6699813 Lanthanide-based catalyst composition for the manufacture of polydienes Mar. 2, 2004
6683018 Method for producing a supported catalyst system Jan. 27, 2004
6657025 Production of ultra high melt flow polypropylene resins Dec. 2, 2003
6627710 Catalyst components for the polymerization of olefins and catalysts therefrom obtained Sep. 30, 2003

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