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Class Information
Number: 526/340.4
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 > From hydrocarbon monomer containing at least two ethylenic groups, e.g., butadiene, etc. > Butadiene homopolymer contains at least 75% cis-1,4-configuration
Description: Subject matter wherein polybutadiene formed contains at least 75 percent cis-configuration.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7625979 |
Process for preparing block copolymer and resulting composition |
Dec. 1, 2009 |
| 7585805 |
Nickel-based catalyst composition |
Sep. 8, 2009 |
| 7534835 |
Golf ball |
May. 19, 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 |
| 7411027 |
Modified diene-.alpha.-olefin copolymer and method for producing same |
Aug. 12, 2008 |
| 7396889 |
Method for preparing a diene elastomer |
Jul. 8, 2008 |
| 7351776 |
Bulk polymerization process |
Apr. 1, 2008 |
| 7294680 |
Method of producing conjugated diene polymers with narrow molecular weight distribution and polymer produced |
Nov. 13, 2007 |
| 7288611 |
Methods for preparing a rare-earth cis-1,4-polybutadiene rubber with a controlled molecular weight distribution |
Oct. 30, 2007 |
| 7220798 |
Process for preparing block copolymer and resulting composition |
May. 22, 2007 |
| 7148299 |
Polymerization catalyst |
Dec. 12, 2006 |
| 7112632 |
Process for the preparation of low branch content polybutadiene |
Sep. 26, 2006 |
| 7094849 |
Bulk polymerization process for producing polydienes |
Aug. 22, 2006 |
| 7081504 |
Synthesis of 1,4-polybutadiene |
Jul. 25, 2006 |
| 7056994 |
Catalyst composition |
Jun. 6, 2006 |
| 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 |
| 6887956 |
Catalyst system for high-cis polybutadiene |
May. 3, 2005 |
| 6875827 |
Hydrogenated polymer and process for producing the same |
Apr. 5, 2005 |
| 6727330 |
Termination and reduced gel in high cis polybutadiene |
Apr. 27, 2004 |
| 6683140 |
Catalyst for polymerization |
Jan. 27, 2004 |
| 6664347 |
Polybutadiene and process for producing the same |
Dec. 16, 2003 |
| 6653430 |
Butadiene polymers and process for producing conjugated diene polymers |
Nov. 25, 2003 |
| 6627713 |
Gas phase polymerization process |
Sep. 30, 2003 |
| 6596825 |
Low gel high cis polydiene |
Jul. 22, 2003 |
| 6566468 |
Nitroxyl derivatives with glycidyl or alkylcarbonyl groups as initiators for radical polymerization |
May. 20, 2003 |
| 6562917 |
Method for preparing polybutadiene having controlled molecular weight and high 1,4-cis content |
May. 13, 2003 |
| 6521726 |
Method of producing a polymer |
Feb. 18, 2003 |
| 6506865 |
Monomeric neodymium carboxylate and its use in polymerization of conjugated diene |
Jan. 14, 2003 |
| 6451934 |
Process for preparation of high 1,4-CIS polybutadiene |
Sep. 17, 2002 |
| 6441107 |
Molecular weight control of gas phase polymerized polybutadiene when using a rare earth catalyst |
Aug. 27, 2002 |
| 6437205 |
Low molecular weight high-cis polybutadienes and their use in high molecular weight-low molecular weight high-cis polybutadiene blends |
Aug. 20, 2002 |
| 6426387 |
Golf ball core |
Jul. 30, 2002 |
| 6388149 |
Process for reacting an organic compound in the presence of a supported ruthenium catalyst |
May. 14, 2002 |
| 6384156 |
Gas phase polymerization process |
May. 7, 2002 |
| 6350833 |
Method for the suspension polymerization of conjugated dienes |
Feb. 26, 2002 |
| 6344527 |
Method for the production of polydienes with regulated mooney viscosity |
Feb. 5, 2002 |
| 6310151 |
Method for polymerizing conjugated diolefins (dienes) with catalysts based on cobalt compounds in the presence of vinylaromatic solvents |
Oct. 30, 2001 |
| 6291615 |
Catalyst system, the use thereof in the polymerization of dienes in a solution, suspension and vapor phase and the use of diene rubbers produced therewith |
Sep. 18, 2001 |
| 6255420 |
Start-up process for gas phase production of polybutadiene |
Jul. 3, 2001 |
| 6156861 |
Carbamate-functional allyl monomers and polymers therefrom |
Dec. 5, 2000 |
| 6136931 |
Process for preparing polybutadiene using catalyst with high activity |
Oct. 24, 2000 |
| 6075108 |
Carbamate-functional allyl monomers and polymers therefrom |
Jun. 13, 2000 |
| 6066705 |
Vapor phase synthesis of cis-1, 4-Polyisoprene |
May. 23, 2000 |
| 6013746 |
Process for controlling the molecular weight distribution of high 1,4-cis polybutadiene |
Jan. 11, 2000 |
| 5981667 |
Impact-resistant polystyrene resin composition |
Nov. 9, 1999 |
| 5955553 |
Molecular weight regulation of cis-1,4-polybutadiene using carboxylates |
Sep. 21, 1999 |
| 5908904 |
Catalyst its production and its use for the gas-phase polymerization of conjugated dienes |
Jun. 1, 1999 |
| 5905125 |
Process for producing polybutadiene |
May. 18, 1999 |
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