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Class Information
Number: 526/154
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 > Material contains aluminum compound wherein aluminum atom is not bonded to hydrogen or carbon atom
Description: Subject matter wherein (1) the specific material contains a transition metal compound which is in admixture with a compound of aluminum, which aluminium compound is other than the hydride or other than a compound wherein an aluminum atom is directly bonded to a carbon atom, or (2) wherein a transition metal-containing compound additionally contains at least one aluminum atom in the same molecule, which aluminum atom is not directly bonded to a hydrogen or carbon atom.


Sub-classes under this class:

Class Number Class Name Patents
526/155 Contains non-transition elemental metal, hydride thereof or carbon to non transition metal atom bond 50


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7579416 Catalyst system for olefin polymerization Aug. 25, 2009
7514386 Chlorinated promoters for vanadium-based polymerization catalysts Apr. 7, 2009
7220804 Method for preparing a catalyst system and its use in a polymerization process May. 22, 2007
7199201 Synthetic polyisoprene rubber Apr. 3, 2007
7189789 Curable fluoropolyether composition and rubber article Mar. 13, 2007
7119043 Olefin polymerization processes and products thereof Oct. 10, 2006
7091150 Synthetic polyisoprene rubber Aug. 15, 2006
7091290 Method for preparing homo-and co-polymers of cyclic olefin compounds using an organic boron compound as a catalyst activator Aug. 15, 2006
7034173 Chemical products suited for use as co-catalysts, method for the preparation thereof and their use in catalyst systems for producing polyolefins Apr. 25, 2006
7009012 Supported catalyst for producing syndiotactic styrenic polymer Mar. 7, 2006
6900155 Titanium catalysts, preparation and use in co- and ter-polymerization of alpha-olefins May. 31, 2005
6838532 Method for transitioning from a catalyst to an incompatible catalyst in a gas-phase reactor Jan. 4, 2005
6833416 Methods of polymerizing olefin monomers with mixed catalyst systems Dec. 21, 2004
6727333 Solid catalyst component and catalyst for olefin polymerization, process for producing olefin polymer and process for producing solid catalyst component Apr. 27, 2004
6699813 Lanthanide-based catalyst composition for the manufacture of polydienes Mar. 2, 2004
6696380 Procatalysts, catalyst systems, and use in olefin polymerization Feb. 24, 2004
6686491 Aluminum complexes for olefin polymerization Feb. 3, 2004
6677411 Component of catalyst for olefin polymerization Jan. 13, 2004
6677267 Polymerization catalysts Jan. 13, 2004
6667274 Polymerization catalysts Dec. 23, 2003
6660816 Process for preparing olefin polymers Dec. 9, 2003
6632900 Olefin polymer, olefin polymerization catalyst and process for producing olefin polymer Oct. 14, 2003
6627707 Olefin polymerization processes and products thereof Sep. 30, 2003
6608153 Catalyst composition and methods for its preparation and use in a polymerization process Aug. 19, 2003
6593267 Method for preparing a supported catalyst system and its use in a polymerization process Jul. 15, 2003
6583241 Process for making MVTR resin Jun. 24, 2003
6559250 Method of homo- or co-polymerization of .alpha.-olefin May. 6, 2003
6559087 Method and apparatus for the continuous treatment of catalyst and catalyst support material May. 6, 2003
6534605 Living polymerization process Mar. 18, 2003
6531552 Olefin polymerization catalyst and method for polymerizing olefin using the same Mar. 11, 2003
6521724 Polymerization process Feb. 18, 2003
6492474 Aluminum complexes for olefin polymerization Dec. 10, 2002
6489427 Polymer compositions Dec. 3, 2002
6482901 Titanated chromium/silica-aluminophosphate catalyst Nov. 19, 2002
6472342 Catalyst composition and methods for its preparation and use in a polymerization process Oct. 29, 2002
6465383 Procatalysts, catalyst systems, and use in olefin polymerization Oct. 15, 2002
6458739 Polymerization catalysts Oct. 1, 2002
6433130 Process for preparing polymer by using copper compound Aug. 13, 2002
6433110 Process for producing alkene polymers by gas phase polymerisation Aug. 13, 2002
6417301 Process for producing ethylene/olefin interpolymers Jul. 9, 2002
6414094 Olefin polymer and process for producing the same Jul. 2, 2002
6391819 Catalyst composition and methods for its preparation and use in a polymerization process May. 21, 2002
6353071 Processes to produce organo-aluminoxane compositions Mar. 5, 2002
6331599 Copolymer of ethylene and of at least one alpha-olefin and method for obtaining same Dec. 18, 2001
6329476 Olefin polymerization processes and products thereof Dec. 11, 2001
6326443 Process for preparing ethylene polymer and catalyst used therefor Dec. 4, 2001
6306984 Catalyst composition and methods for its preparation and use in a polymerization process Oct. 23, 2001
6300272 Catalysts for polyethylene production and use thereof Oct. 9, 2001
6300436 Catalyst composition and methods for its preparation and use in a polymerization process Oct. 9, 2001
6294494 Olefin polymerization processes and products thereof Sep. 25, 2001

1 2 3


 
 
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