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Browse by Category: Main > Chemistry
Class Information
Number: 502/127
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 > Ester
Description: Composition in which the oxygen is bonded to two carbon atoms, one of which is carbonylic.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13

Patent Number Title Of Patent Date Issued
7351678 Catalyst systems for Ziegler-Natta propene polymerisation Apr. 1, 2008
7332455 Catalyst component and catalyst for olefin polymerization as well as use thereof Feb. 19, 2008
7329626 Ziegler-Natta catalyst, preparation, and use for the polymerization of alkenes Feb. 12, 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
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
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
7211535 Enhanced polyolefin catalyst May. 1, 2007
7211538 Catalytic systems for the polimerization and copolimerization of alpha-olefins May. 1, 2007
7193022 Method of polymerization and copolymerization of ethylene Mar. 20, 2007
7153803 High activity and good hydrogen response Ziegler-Natta polyethylene catalyst Dec. 26, 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
7135531 Spherical catalyst for olefin polymerization Nov. 14, 2006
7129303 Method for producing homo- and co-polymers of ethylene Oct. 31, 2006
7112642 Highly stereoregular polypropylene with improved properties Sep. 26, 2006
7109142 Solid catalyst component and catalyst for olefin polymerization, and process for producing olefin polymer Sep. 19, 2006
7060764 Method for polymerization and copolymerization of ethylene Jun. 13, 2006
7049263 Process for producing catalyst for .alpha.-olefin polymerization and process for producing .alpha.-olefin polymer May. 23, 2006
7030051 Dirhodium catalyst compositions and methods for using same Apr. 18, 2006
7026265 Catalyst component comprising magnesium, titanium, a halogen and an electron donor, its preparation and use Apr. 11, 2006
7019097 Process for the (co)polymerization of ethylene Mar. 28, 2006
7015170 Components and catalysts for the polymerization of olefins Mar. 21, 2006
7005399 Catalyst for polymerization of olefins Feb. 28, 2006
7005487 Catalyst system for the polymerization of olefins Feb. 28, 2006
6984600 Olefin polymerization catalyst Jan. 10, 2006
6982237 Spray-dried polymerization catalyst and polymerization processes employing same Jan. 3, 2006
6958378 Method for producing homo-and co-polymers of ethylene Oct. 25, 2005
6933258 Catalyst composition and methods for its preparation and use in a polymerization process Aug. 23, 2005
6930069 Polymerization catalyst for olefins and process for polymerization of olefins Aug. 16, 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
6906154 Catalyst for the polymerization of olefins Jun. 14, 2005
6903041 Solid catalyst component and catalyst for olefin polymerization, and process for producing olefin polymer Jun. 7, 2005
6881696 Catalyst for polymerization and copolymerization of ethylene Apr. 19, 2005
6878659 Solid catalyst component for olefin polymerization and catalyst Apr. 12, 2005
6858685 Solid catalyst component for olefin polymerization, process for producing the same, process for producing catalyst for olefin polymerization, and process for producing olefin polymer Feb. 22, 2005
6849700 Catalyst component comprising magnesium, titanium, a halogen and an electron donor, its preparation and use Feb. 1, 2005
6841633 Lower .alpha.-alkene polymerization heterogeneous solid catalyst Jan. 11, 2005
6841632 Components and catalysts for the (co)polymerization of olefins Jan. 11, 2005
6841503 Process for producing solid catalyst component and catalyst for .alpha.-olefin polymerization, and process for producing .alpha.-olefin polymer Jan. 11, 2005
6831033 Method of preparing a catalyst for polymerization and copolymerization of ethylene Dec. 14, 2004
6828396 Solid catalyst component and catalyst for olefin polymerization, process for producing olefin polymer and process for producing solid catalyst component for olefin polymerization Dec. 7, 2004
6825146 Olefin polymerization catalyst compositions and method of preparation Nov. 30, 2004
6825309 Catalyst components for the polymerization of olefins Nov. 30, 2004
6803427 Method for producing ethylene homo- and co-polymer Oct. 12, 2004
6777508 Catalysts for the polymerization of olefins Aug. 17, 2004
6770586 Solid catalyst component and catalyst for olefins polymerization Aug. 3, 2004

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