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Class Information
Number: 502/115
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.) > Containing hydrides or organometallic of two or more different component a metals > Magnesium containing
Description: Composition in which one of the Group Ia to Group IIIa metals bonded to hydrogen or organic carbon is magnesium.










Sub-classes under this class:

Class Number Class Name Patents
502/116 And compound containing silicon-hydrogen or silicon-carbon bond 288


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

Patent Number Title Of Patent Date Issued
8633124 Spheroidal particles for olefin polymerization catalyst Jan. 21, 2014
8569194 Catalyst composition for polymerization of olefins, polymerization process using the same, and method for its preparation Oct. 29, 2013
8557935 Bimetallic catalyst, method of polymerization and bimodal polyolefins therefrom Oct. 15, 2013
8546289 Solid catalyst component for olefin polymerization, catalyst for olefin polymerization and process for producing olefin polymer Oct. 1, 2013
8324126 Process of preparation of catalytic support and supported metallocene catalysts for production of homopolymers and copolymers of ethylene with alfa-olefins, of high and ultra high molecular we Dec. 4, 2012
8293672 Solid catalyst component for olefin polymerization, catalyst for olefin polymerization and process for producing olefin polymer Oct. 23, 2012
8273486 Protecting a PEM fuel cell catalyst against carbon monoxide poisoning Sep. 25, 2012
8268945 Catalyst component for ethylene polymerization, preparation thereof, and a catalyst comprising the catalyst component Sep. 18, 2012
8227563 Process for the preparation of polymer of 1-butene Jul. 24, 2012
8193288 Supported nonmetallocene catalyst and preparation thereof Jun. 5, 2012
8173569 Robust spray-dried ziegler-natta procatalyst and polymerization process employing same May. 8, 2012
8148286 Activated alkaline earth metal, in particular magnesium, for the preparation of organoalkaline earth metal compounds Apr. 3, 2012
8143184 Method for the preparation of olefin polymerisation catalyst Mar. 27, 2012
8106137 Catalytic aluminum-free combination for polymerizing alpha-olefins and polymerization method using same Jan. 31, 2012
8067328 Polymerisation and oligomerisation catalysts Nov. 29, 2011
8062989 Magnesium chloroakolate-based catalyst precursors Nov. 22, 2011
7998894 Ligand modified Ziegler-Natta catalyst for olefin (co-)polymerization Aug. 16, 2011
7999048 Process for producing prepolymerization catalyst for polymerization of olefin and process for producing olefin polymer Aug. 16, 2011
7989382 Solid catalyst component for olefin polymerization, catalyst for olefin polymerization and process for producing olefin polymer Aug. 2, 2011
7989383 Self limiting catalyst composition and propylene polymerization process Aug. 2, 2011
7973112 De-foaming spray dried catalyst slurries Jul. 5, 2011
7947788 Process for the preparation of a catalyst component for the polymerization of an olefin May. 24, 2011
7943545 Polyethylene materials prepared using mixed ziegler-natta catalyst systems May. 17, 2011
7939460 Process for producing solid catalyst component precursor for olefin polymerization May. 10, 2011
7919569 Process for the polymerizaion of olefins Apr. 5, 2011
7902108 Preparation of olefin polymerization catalyst component Mar. 8, 2011
7893175 Ziegler-natta catalyst, preparation, and use for the polymerization of alkenes Feb. 22, 2011
7875568 Supported nonmetallocene olefin polymerization catalyst, preparation method and use thereof Jan. 25, 2011
7867939 Catalyst for ethylene polymerization, preparation thereof, and method for controlling the polymerization kinetic behavior of said catalyst Jan. 11, 2011
7850842 Zr02-base catalyst carrier and method for the production thereof Dec. 14, 2010
7851395 Controlled distribution of stereospecific sites in Ziegler-Natta catalyst systems Dec. 14, 2010
7851578 Succinate-containing polymerization catalyst system using n-butylmethyldimethoxysilane for preparation of polypropylene film grade resins Dec. 14, 2010
7799723 Method for the production of magnesium alkoxide granules, and use thereof Sep. 21, 2010
7786237 Polyethylene materials prepared using mixed ziegler-natta catalysts systems Aug. 31, 2010
7759445 Process for preparing 1-olefin (co) polymers Jul. 20, 2010
7737069 Magnesium compound, catalyst for olefin polymerization and method for producing olefin polymer Jun. 15, 2010
7723254 Magnesium compound, solid catalyst component, olefin polymerization catalyst, and method for producing olefin polymer May. 25, 2010
7718565 Method for preparing solid catalysts for ethylene polymerization and copolymerization May. 18, 2010
7704910 Catalyst for polymerization of olefins and method for polymerization of olefins Apr. 27, 2010
7700513 Supported catalyst for olefin polymerization Apr. 20, 2010
7683003 Method for identifying Ziegler-Natta cocatalysts Mar. 23, 2010
7666810 Ziegler-natta catalyst for high temperature polymerization Feb. 23, 2010
7666960 Process for the production of ethylene copolymers Feb. 23, 2010
7659223 Process for preparing an olefin polymerization catalyst component with improved high temperature activity Feb. 9, 2010
7655590 Ziegler-Natta catalyst for particle size control Feb. 2, 2010
7651969 Catalyst system for producing ethylene (co) polymer with improved branch distribution Jan. 26, 2010
7608555 Method for the preparation of olefin polymerization catalysts Oct. 27, 2009
7592285 Method for preparing an olefin polymerization catalyst composition Sep. 22, 2009
7592286 Process for the preparation of a catalyst component and components therefrom obtained Sep. 22, 2009
7566676 Preparation method of solid titanium catalyst for olefin polymerization Jul. 28, 2009

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