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Class Information
Number: 526/151
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > Polymers from only ethylenic monomers or processes of polymerizing, polymerizable compositions containing only ethylenic monomers as reactants or processes of preparing > Polymerizing in the presence of a specified material other than monomer > Material contains transition metal or compound thereof > Contains two or more diverse non-transition elemental metals, different non-transition hydride compounds, different carbon to non transition metal compounds, or mixture thereof > At least one atom of group iiia metal (al, ga, in, tl) in elemental form or bonded to hydrogen or carbon atom
Description: Subject matter wherein the specified material contains an atom of a Group IIIA (Al, Ga, In, Tl) metal in elemental form, or contains a hydride of a Group IIIA metal, or contains a compound of a Group IIIA metal wherein the Group IIIA metal is directly bonded to a carbon atom.

Sub-classes under this class:

Class Number Class Name Patents
526/152 At least one atom of group ia metal (li, na, k, rb, cs, fr) in elemental form or bonded to hydrogen or carbon atom 45
526/153 Two or more group iiia metals in elemental form or bonded to hydrogen or carbon atom 368

Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8680218 Methods for controlling dual catalyst olefin polymerizations with an organozinc compound Mar. 25, 2014
8664344 Process for the preparation of branched polybutadiene with a high content of 1,4-cis units Mar. 4, 2014
8618229 Catalyst compositions containing transition metal complexes with thiolate ligands Dec. 31, 2013
8609792 Bimodal polyethylene for blow-moulding applications Dec. 17, 2013
8497330 Methods for polymerization using spray dried and slurried catalyst Jul. 30, 2013
8436112 Polyolefin production with a high performance support for a metallocene catalyst system May. 7, 2013
8288490 Process for producing catalyst component for addition polymerization Oct. 16, 2012
8114946 Process for producing broader molecular weight distribution polymers with a reverse comonomer distribution and low levels of long chain branches Feb. 14, 2012
8106137 Catalytic aluminum-free combination for polymerizing alpha-olefins and polymerization method using same Jan. 31, 2012
7985817 Homogeneous catalyst system for producing ethylene homopolymer or ethylene copolymers with alpha-olefins Jul. 26, 2011
7662894 Polymer supported metallocene catalyst composition for polymerizing olefins Feb. 16, 2010
7351678 Catalyst systems for Ziegler-Natta propene polymerisation Apr. 1, 2008
7202316 Modified particle, catalyst component for addition polymerization, catalyst for addition polymerization and process for producing addition polymer Apr. 10, 2007
7172988 Catalyst component for ethylene polymerization, a process for preparing thereof and catalyst comprising the same Feb. 6, 2007
7009014 Process for the polymerization olefins Mar. 7, 2006
6933353 Olefin polymerization process Aug. 23, 2005
6897274 Prepolymerization method of .alpha.-olefin May. 24, 2005
6881802 Catalyst for addition polymerization and process for producing an addition polymer Apr. 19, 2005
6870017 Transition metal compound, catalyst for addition polymerization, and process for producing addition polymer Mar. 22, 2005
6849700 Catalyst component comprising magnesium, titanium, a halogen and an electron donor, its preparation and use Feb. 1, 2005
6825294 Catalysts for polymerizing styrene and other monomer and process for producing styrene polymer Nov. 30, 2004
6806328 Polymerization catalyst activator complexes and their use in a polymerization process Oct. 19, 2004
6790917 Process for producing vinyl compound polymer Sep. 14, 2004
6716940 Catalyst for the polymerization of olefins Apr. 6, 2004
6664351 Ethylene copolymers, process for the preparation of ethylene-based polymers and catalyst system used therein Dec. 16, 2003
6639030 Process for production of olefin polymer Oct. 28, 2003
6590046 Catalyst for polymerization of olefin and the method of polymerization of olefin using the same Jul. 8, 2003
6583240 Ethylene polymerization process Jun. 24, 2003
6576723 Catalyst system and its use for the polymerization of propylene Jun. 10, 2003
6534606 Catalyst system for the Ziegler-Natta polymerization of olefins Mar. 18, 2003
6534605 Living polymerization process Mar. 18, 2003
6486272 Process for producing functional styrene copolymer Nov. 26, 2002
6482902 Catalyst system Nov. 19, 2002
6448348 Process for polymerizing olefins with supported Ziegler-Natta catalyst systems Sep. 10, 2002
6444765 Olefin polymerization process for producing broad MWD polymers Sep. 3, 2002
6420500 Catalyst for .alpha.-olefin polymerization Jul. 16, 2002
6417302 Compounds containing boron and aluminium Jul. 9, 2002
6384146 Graft, graft-block, block-graft, and star-shaped copolymers and methods of making them May. 7, 2002
6368995 Solid catalysts for the polymerization of olefins and process for the production of olefin polymers therewith Apr. 9, 2002
6350829 Supported catalyst systems Feb. 26, 2002
6320005 Catalyst for the production of olefin polymers Nov. 20, 2001
6300450 Conjugated diene compound polymerization catalyst process for the preparation of conjugated diene polymer in the presence thereof and polybutadiene thus prepared Oct. 9, 2001
6291614 Dinuclear fluoroaryl aluminum alkyl complexes Sep. 18, 2001
6268453 Polymerization catalyst systems, their preparation, and use Jul. 31, 2001
6255420 Start-up process for gas phase production of polybutadiene Jul. 3, 2001
6211106 Groups IIA and IIIA based catalyst composition for preparing high-syndiotacticity polystyrene Apr. 3, 2001
6201080 Preparation of syndiotactic 1, 2-polybutadiene using a chromium-containing catalyst system Mar. 13, 2001
6200925 Catalyst compositions for the polymerization of olefins Mar. 13, 2001
RE37064 Process for producing styrenic polymer Feb. 20, 2001
6184316 Catalyst and process for the syndiotactic polymerization of vinylaromatic compounds Feb. 6, 2001

1 2 3 4 5 6

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