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Browse by Category: Main > Chemistry
Class Information
Number: 502/109
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.) > Preparing catalyst or precursor > Utilizing high molecular weight synthetic polymer
Description: Process wherein a high molecular weight synthetic polymer made up of numerous smaller molecules is added to the catalyst system.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8431659 Prepolymerized catalyst for olefin polymerization, method of producing this prepolymerized catalyst and method of producing olefin polymer Apr. 30, 2013
8273677 Production process of pre-polymerized polymerization catalyst component and addition polymer Sep. 25, 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
8133832 Catalyst system for polymerization of olefinic monomers, process for preparing polymers, and polymers prepared by the process Mar. 13, 2012
8101537 Prepolymerized catalyst for olefin polymerization, method of producing this prepolymerized catalyst and method of producing olefin polymer Jan. 24, 2012
7833933 Process for the preparation of a paraffin isomerization catalyst Nov. 16, 2010
7754647 Activated metathesis catalysts Jul. 13, 2010
7645843 Process for polymerising olefins in the presence of an olefin polymerisation catalyst Jan. 12, 2010
7612008 Metathesis catalysts Nov. 3, 2009
7592285 Method for preparing an olefin polymerization catalyst composition Sep. 22, 2009
7528090 Supported polymerisation catalysts May. 5, 2009
7300901 Hollow beads of polyethylene Nov. 27, 2007
7271119 Process for preparing an olefin polymerization catalyst component Sep. 18, 2007
7084216 Process for the polymerization of olefins Aug. 1, 2006
7084220 Catalyst system for preparing styrene polymer and method for preparing of styrene polymer using the same Aug. 1, 2006
7074736 Hydrozirconated matrix and process for polyolefin production Jul. 11, 2006
7022793 Process for the treatment of polymer compositions Apr. 4, 2006
7009012 Supported catalyst for producing syndiotactic styrenic polymer Mar. 7, 2006
7005398 Olefin polymerization catalyst, catalyst component for olefin polymerization, method of storing these, and process for producing olefin polymer Feb. 28, 2006
6992153 Multi-stage process for the (CO) polymerization of olefins Jan. 31, 2006
6969747 Olefin polymerization titanium catalyst Nov. 29, 2005
6916761 Polymer-supported Lewis acid catalyst Jul. 12, 2005
6900153 Supported olefin polymerization catalysts May. 31, 2005
6878787 Polyamide supported metallocene catalysts Apr. 12, 2005
6815390 Supported fluorous biphasic catalyst system Nov. 9, 2004
6803339 Latent metallocene catalyst systems for olefin polymerization Oct. 12, 2004
6750303 Functional organic particles for catalysts supports Jun. 15, 2004
6750170 Sweet MAO Jun. 15, 2004
6743873 Olefin polymerization catalyst composition and preparation thereof Jun. 1, 2004
6730753 Catalyst systems of the ziegler-natta type and a process for preparing them May. 4, 2004
6723881 Method for conditioning ion exchangers Apr. 20, 2004
6703458 Catalyst components for the polymerization of olefins Mar. 9, 2004
6583082 Functional organic particles for catalyst supports Jun. 24, 2003
6531551 Polypropylene composition, process for preparing the same, and polymerization catalyst therefor Mar. 11, 2003
6524986 Catalyst support and catalyst for the polymerization of .alpha.-olefins Feb. 25, 2003
6482764 Method for producing a supported catalyst for ethylene polymerization and ethylene/.alpha.-olefin copolymerization Nov. 19, 2002
6468937 Solid catalyst component and catalyst for olefin polymerization, process for producing olefin polymer and process for producing solid catalyst component Oct. 22, 2002
6461993 Method for preparing a hydrogenation catalyst system Oct. 8, 2002
6448348 Process for polymerizing olefins with supported Ziegler-Natta catalyst systems Sep. 10, 2002
6444604 Supported catalysts for the polymerization of olefins Sep. 3, 2002
6444766 Method for producing carrier-borne catalysts Sep. 3, 2002
6432860 Supported metallocene catalysts Aug. 13, 2002
6423660 Supported catalysts for the polymerization of olefins Jul. 23, 2002
6417320 Catalyst and method for its production and use Jul. 9, 2002
6413901 Highly active, supported ziegler-natta catalyst systems for olefin polymerization, methods of making and using the same Jul. 2, 2002
6403519 Process for the preparation of a catalyst for the polymerization of alpha-olefins, catalyst obtained and polymerization process using such a catalyst Jun. 11, 2002
6383969 Process for the preparation of a catalytic composition for the polymerization of alpha-olefins, catalytic composition obtained and polymerization process using such a catalytic composition May. 7, 2002
6384159 Production of polyethylene with a titanium amide catalyst May. 7, 2002
6358876 Organo-aluminum compounds immobilized on organopolysiloxane microgel particles Mar. 19, 2002

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