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Browse by Category: Main > Chemistry
Class Information
Number: 502/116
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 > And compound containing silicon-hydrogen or silicon-carbon bond
Description: Composition which additionally contains a compound in which silicon is bonded directly to hydrogen or carbon.










Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8648001 Aminosilane compounds, catalyst components and catalysts for olefin polymerization, and process for production of olefin polymers with the same Feb. 11, 2014
8344079 Molar ratio modifications to larger polyolefin catalysts Jan. 1, 2013
8268945 Catalyst component for ethylene polymerization, preparation thereof, and a catalyst comprising the catalyst component Sep. 18, 2012
8247504 Catalyst component, catalyst for olefin polymerization, and process for producing olefin polymer using catalyst Aug. 21, 2012
8247341 Procatalyst composition with silyl glutarate and method Aug. 21, 2012
8193288 Supported nonmetallocene catalyst and preparation thereof Jun. 5, 2012
7999048 Process for producing prepolymerization catalyst for polymerization of olefin and process for producing olefin polymer Aug. 16, 2011
7989383 Self limiting catalyst composition and propylene polymerization process Aug. 2, 2011
7977435 Propylene polymer compositions and processes for making the same Jul. 12, 2011
7943545 Polyethylene materials prepared using mixed ziegler-natta catalyst systems May. 17, 2011
7935651 Method for preparing a Ziegler-Natta catalyst May. 3, 2011
7893003 Catalyst composition with mixed selectivity control agent and method Feb. 22, 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
7786237 Polyethylene materials prepared using mixed ziegler-natta catalysts systems Aug. 31, 2010
7781363 Self limiting catalyst composition and propylene polymerization process Aug. 24, 2010
7737069 Magnesium compound, catalyst for olefin polymerization and method for producing olefin polymer Jun. 15, 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
7687426 Catalyst composition with monocarboxylic acid ester internal donor and propylene polymerization process Mar. 30, 2010
7666960 Process for the production of ethylene copolymers Feb. 23, 2010
7651969 Catalyst system for producing ethylene (co) polymer with improved branch distribution Jan. 26, 2010
7638585 Catalyst flow Dec. 29, 2009
7618913 Highly active alpha-olefin copolymerization catalyst system Nov. 17, 2009
7619048 Method for producing propylene polymer using alkoxysilane compound containing trialkysilyl group in molecular structure Nov. 17, 2009
7605215 Process for producing olefin copolymerization catalyst and process for producing olefin copolymer Oct. 20, 2009
7582712 Alpha-olefins polymerization catalyst Sep. 1, 2009
7491670 Self limiting catalyst composition and propylene polymerization process Feb. 17, 2009
7420021 Self-extinguishing catalyst composition with monocarboxylic acid ester internal door and propylene polymerization process Sep. 2, 2008
7420022 Polymerization catalyst system utilizing external donor systems and processes of forming polymers therewith Sep. 2, 2008
7393806 Catalyst composition with monocarboxylic acid ester internal donor and propylene polymerization process Jul. 1, 2008
7381779 Self limiting catalyst composition with dicarboxylic acid ester internal donor and propylene polymerization process Jun. 3, 2008
7329714 Method of polymerizing propylene comprising olefin pre-polymerization step Feb. 12, 2008
7326760 Production of broad molecular weight polyethylene Feb. 5, 2008
7326757 Supported catalyst for olefin polymerization Feb. 5, 2008
7307036 Highly active alpha-olefin polymerization catalyst Dec. 11, 2007
7294601 Phosphines, transition metal complexes containing the same as the ligand, and process for production of optically active carboxylic acids Nov. 13, 2007
7271120 Catalyst for the synthesis of dimethyl carbonate from urea and methanol, preparation and use thereof Sep. 18, 2007
7238758 Catalysts for polymerization or copolymerization of .alpha.-olefins, catalyst components thereof, and processes for polymerization of .alpha.-olefins with the catalysts Jul. 3, 2007
7211535 Enhanced polyolefin catalyst May. 1, 2007
7208435 Solid catalyst component for olefin polymerization and catalyst Apr. 24, 2007
7202191 Polymerization catalyst system using n-butylmethyldimethoxysilane for preparation of polypropylene film grade resins Apr. 10, 2007
7193022 Method of polymerization and copolymerization of ethylene Mar. 20, 2007
7183234 Multi-donor catalyst system for the polymerization of olefins Feb. 27, 2007
7163905 Polymerization catalyst system using di-sec-butyldimethoxysilane for preparation of polypropylene Jan. 16, 2007
7153803 High activity and good hydrogen response Ziegler-Natta polyethylene catalyst Dec. 26, 2006
7151145 Process for narrowing short-chain branching distribution in two-step ethylene polymerizations and products Dec. 19, 2006
7141634 Catalyst for olefin polymerization and process for polymerizing olefins Nov. 28, 2006
7135531 Spherical catalyst for olefin polymerization Nov. 14, 2006

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