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Class Information
Number: 526/164
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 non-transition elemental metal, hydride thereof, or carbon to non-transition metal atom bond > Transition metal is ib, iiib, viib or atomic number 58-71, 88, 90 or higher
Description: Subject matter wherein the transition metal of the transition metal compound is a Group IB, IIIB, or VIIB atom, or has an atomic number of 58-71, or 90 and higher.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7612009 |
Process for homo-or copolymerization of conjugated olefines |
Nov. 3, 2009 |
| 7572867 |
Polymerization process for producing polydienes |
Aug. 11, 2009 |
| 7547654 |
Catalytic system for obtaining conjugated diene/monoolefin copolymers and these copolymers |
Jun. 16, 2009 |
| 7514386 |
Chlorinated promoters for vanadium-based polymerization catalysts |
Apr. 7, 2009 |
| 7511108 |
Pneumatic tire |
Mar. 31, 2009 |
| 7485765 |
Process for obtaining a butadiene homopolymer in the presence of monoolefin(s) with 4 carbon atoms |
Feb. 3, 2009 |
| 7396889 |
Method for preparing a diene elastomer |
Jul. 8, 2008 |
| 7388062 |
Group IIIb metal complexes with "constrained geometry" fluorenyl based ligands |
Jun. 17, 2008 |
| 7351776 |
Bulk polymerization process |
Apr. 1, 2008 |
| 7309748 |
Group III bridged ionic metallocene based on cyclopentadienyl-fluorenyl ligands |
Dec. 18, 2007 |
| 7288611 |
Methods for preparing a rare-earth cis-1,4-polybutadiene rubber with a controlled molecular weight distribution |
Oct. 30, 2007 |
| 7241849 |
Group III bridged metallocene based on cyclopentadienyl-fluorenyl ligands |
Jul. 10, 2007 |
| 7229943 |
Polymerisation and oligomerisation catalysts |
Jun. 12, 2007 |
| 7196031 |
Catalyst composition |
Mar. 27, 2007 |
| 7169870 |
Method for preparing butadiene/isoprene copolymers and resulting copolymers |
Jan. 30, 2007 |
| 7157533 |
Process of obtaining an isoprene-enriched FCC C5 fraction and selective polymerization of isoprene from said fraction |
Jan. 2, 2007 |
| 7153805 |
Group III-B metal catalyst system |
Dec. 26, 2006 |
| 7151146 |
Neodymium-carbon nanotube and method of preparing high 1,4-cis-polybutadiene using the same |
Dec. 19, 2006 |
| 7148299 |
Polymerization catalyst |
Dec. 12, 2006 |
| 7144839 |
Polymerization catalysts |
Dec. 5, 2006 |
| 7129305 |
Heterocyclic-amide catalyst compositions for the polymerization of olefins |
Oct. 31, 2006 |
| 7115693 |
Method for preparing butadiene/isoprene copolymers and resulting copolymers |
Oct. 3, 2006 |
| 7112632 |
Process for the preparation of low branch content polybutadiene |
Sep. 26, 2006 |
| 7094849 |
Bulk polymerization process for producing polydienes |
Aug. 22, 2006 |
| 7094854 |
Ethylene/butadiene copolymers, catalytic system and process for the synthesis thereof |
Aug. 22, 2006 |
| 7078466 |
Process for the preparation of branched polydienes in the presence of catalysts based on rare-earth |
Jul. 18, 2006 |
| 7067604 |
1-butene polymer and molded product consisting of the polymer |
Jun. 27, 2006 |
| 7056998 |
Catalytic system for the preparation of polybutadienes and preparation process |
Jun. 6, 2006 |
| 7056994 |
Catalyst composition |
Jun. 6, 2006 |
| 7030195 |
Process for the preparation of polybutadiene with a low branching degree |
Apr. 18, 2006 |
| 7022783 |
Group III-B metal catalyst system |
Apr. 4, 2006 |
| 7008899 |
Lanthanide-based catalyst composition for producing cis-1,4-polydienes |
Mar. 7, 2006 |
| 6992157 |
Synthetic polyisoprenes and a process for their preparation |
Jan. 31, 2006 |
| 6953829 |
Catalyst system and the use thereof |
Oct. 11, 2005 |
| 6930160 |
1-Butene polymer and molded product consisting of the polymer |
Aug. 16, 2005 |
| 6908975 |
Method for preparing high 1,4-cis polybutadiene having controlled cold flow |
Jun. 21, 2005 |
| 6897270 |
Continuous process for the production of conjugated diene polymers having narrow molecular weight distribution and products therefrom |
May. 24, 2005 |
| 6891006 |
Yttrium-based ethylene polymerization catalysts with bulky amidinate ancillary ligands |
May. 10, 2005 |
| 6887824 |
Divalent lanthanide reduction catalysts |
May. 3, 2005 |
| 6858686 |
Process for obtaining a polyisoprene with a high cis-1,4 linkage content |
Feb. 22, 2005 |
| 6838534 |
Catalytic system and process for the preparation of elastomers by means of this system |
Jan. 4, 2005 |
| 6800705 |
Catalytic system, its method for preparation and method for preparation of a copolymer of ethylene and a conjugated diene |
Oct. 5, 2004 |
| 6780948 |
Synthesis of polyisoprene with neodymium catalyst |
Aug. 24, 2004 |
| 6723807 |
Catalyst component and catalyst for addition polymerization, and process for producing addition polymer |
Apr. 20, 2004 |
| 6706830 |
Copolymerization of conjugated dienes with non-conjugated olefins by means of rare earth catalysts |
Mar. 16, 2004 |
| 6703459 |
Polymerization catalysts for unsaturated monomers, novel transition metal compounds, polymerization processes using same, and copolymers |
Mar. 9, 2004 |
| 6683140 |
Catalyst for polymerization |
Jan. 27, 2004 |
| 6642327 |
Late transition metal complexes, their use as catalysts and polymers therefrom |
Nov. 4, 2003 |
| 6596828 |
Catalyst composition |
Jul. 22, 2003 |
| 6576727 |
Catalyst system for gas phase polymerization of conjugated dienes |
Jun. 10, 2003 |
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