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Class Information
Number: 526/107
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 transition metal oxide (other than peroxide) > Group ivb metal oxide (ti, zr, hf)
Description: Subject matter wherein the specified material contains an oxide of a Group IVB metal, i.e., Ti, Zr, Hf.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8604115 Ethylene/propylene copolymer nanocomposite Dec. 10, 2013
8592535 Ziegler-natta catalyst systems and polymers formed therefrom Nov. 26, 2013
8541520 Method of making high-density polyethylene with titania-iron nanofillers Sep. 24, 2013
8168733 Copolymer comprising alkene, acrylate and unsaturated acid anhydride, and method for preparing the same May. 1, 2012
8138116 Titanium oxide composition and the application thereof on poly-esterification Mar. 20, 2012
7884162 Copolymer comprising alkene, acrylate and unsaturated acid anhydride, and method for preparing the same Feb. 8, 2011
7723449 Catalysts for synthesizing a polypropylene with a wide molecular weight distribution and use of the same May. 25, 2010
7691955 Catalyst activation and resins therefrom Apr. 6, 2010
7649061 Process for preparing a poly-1-olefin in the presence of a Ziegler catalyst Jan. 19, 2010
7629423 Alkene-acrylate-norbornene terpolymer and method for preparing the same Dec. 8, 2009
7473664 Formation of Ziegler-Natta catalyst Jan. 6, 2009
7384885 Catalyst activation and resins therefrom Jun. 10, 2008
7375169 Method for catalyst preparation and improved polyethylene blow molding resin May. 20, 2008
7348383 Spray-dried, mixed metal ziegler catalyst compositions Mar. 25, 2008
7169871 Propylene polymers Jan. 30, 2007
7135544 Living olefin polymerization processes Nov. 14, 2006
7091260 Bone cement mixture and x-ray contrast medium as well as method for their preparation Aug. 15, 2006
6887819 Compositions that can produce polymers May. 3, 2005
6825309 Catalyst components for the polymerization of olefins Nov. 30, 2004
6703456 Process for producing catalyst for .alpha.-olefin polymerization, and process for producing .alpha.-olefin polymer Mar. 9, 2004
6639031 Coreactive supporting materials for heterogenization of catalysts, cocatalysts and ligands Oct. 28, 2003
6635734 Catalyst system to produce highly crystalline polypropylene Oct. 21, 2003
6632897 Use of nano-scaled metal oxide particles as polymerization catalysts Oct. 14, 2003
6610806 Living olefin polymerization processes Aug. 26, 2003
6531565 MVTR resin produced with post-titanated Cr/Si/Ti catalyst Mar. 11, 2003
6531550 Process for producing polymers Mar. 11, 2003
6512061 Process for producing polypropylene or propylene random copolymer Jan. 28, 2003
6506857 Bridged metallocenes for olefin copolymerization Jan. 14, 2003
6495638 Process to produce polymers Dec. 17, 2002
6489410 Supported catalyst composition for polymerization of olefins Dec. 3, 2002
6441110 Method for producing halogen-free reactive polyisobutene Aug. 27, 2002
6384154 Preparation of halogen-free, reactive polyisobutene May. 7, 2002
6362294 Reduced oxidation state transition metal compounds useful as olefin polymerization catalysts Mar. 26, 2002
6316555 Living olefin polymerization processes Nov. 13, 2001
6271325 Method of polymerization Aug. 7, 2001
6239237 Group 8, 9 or 10 transition metal catalyst for olefin polymerization May. 29, 2001
6200922 Catalyst systems of the Ziegler-Natta type Mar. 13, 2001
6194528 Production of polyethylene having impact resistance Feb. 27, 2001
6187879 Process for producing polyolefins Feb. 13, 2001
6077809 Method for the preparation of a high-porosity adsorbent loaded with crystalline hydrous zirconium oxide Jun. 20, 2000
5962608 Polymers made with metal oxide sols Oct. 5, 1999
5945575 Method of producing reactive halogen-free, polyisobutene Aug. 31, 1999
5889128 Living olefin polymerization processes Mar. 30, 1999
5691430 Process for making vinyl ether polymers Nov. 25, 1997
5391657 Method for reducing sheeting and static charges during polymerization of ethylene polymers Feb. 21, 1995
5359102 Transition metal compound having two transition metal atoms in one molecule and method for polymerizing olefin by using the compound Oct. 25, 1994
5322910 Ethylene polymerization Jun. 21, 1994
5179178 Olefin polymerization Jan. 12, 1993
5114990 Process for the production of pigment/plastic premixes May. 19, 1992
4923935 Process for producing polyethylene of ultrahigh molecular weight May. 8, 1990

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