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Class Information
Number: 526/901
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Monomer polymerized in vapor state in presence of transition metal containing catalyst
Description: Processes of polymerizing a vaporized ethylenically unsaturated monomer utilizing a catalyst having at least one transition metal atom.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7615597 |
Process for the copolymerization of ethylene |
Nov. 10, 2009 |
| 7588735 |
Production of polyethylene |
Sep. 15, 2009 |
| 7582710 |
Degassing process |
Sep. 1, 2009 |
| 7531606 |
Method for operating a gas phase polymerization reactor |
May. 12, 2009 |
| 7511109 |
Rotomoulding polyethylene and method for producing said rotomoulding polyethylene |
Mar. 31, 2009 |
| 7507780 |
Polymerization process |
Mar. 24, 2009 |
| 7482411 |
Gas-phase olefin polymerization process |
Jan. 27, 2009 |
| 7482410 |
Processes for producing high density polyethylene |
Jan. 27, 2009 |
| 7476715 |
Supported antistatic polymerization catalyst |
Jan. 13, 2009 |
| 7470759 |
Isotactic-atactic polypropylene and methods of making same |
Dec. 30, 2008 |
| 7452948 |
Supported polymerisation catalysts |
Nov. 18, 2008 |
| 7446156 |
Swirling fluidized-bed reactors for olefin polymerization |
Nov. 4, 2008 |
| 7423099 |
Process for producing polyolefin |
Sep. 9, 2008 |
| 7414098 |
Gas-phase catalytic polymerization of olefins |
Aug. 19, 2008 |
| 7405260 |
Method for controlling the polymer flow in a polymerization process |
Jul. 29, 2008 |
| 7343225 |
Method for reducing off-grade product production during reaction transitions |
Mar. 11, 2008 |
| 7332549 |
Process for the (co-)polymerisation of ethylene in the gas phase |
Feb. 19, 2008 |
| 7323523 |
Adjusting polymer characteristics through process control |
Jan. 29, 2008 |
| 7321015 |
Adjusting polymer characteristics through process control |
Jan. 22, 2008 |
| 7300987 |
Polymerization process |
Nov. 27, 2007 |
| 7300988 |
Single catalyst low, medium and high density polyethylenes |
Nov. 27, 2007 |
| 7276564 |
Process for the (co-)polymerization of ethylene in the gas phase |
Oct. 2, 2007 |
| 7253239 |
Method for preventing or inhibiting fouling in a gas-phase polyolefin polymerization process |
Aug. 7, 2007 |
| 7247685 |
Zero valent metal initiated gas-phase deposition polymerization |
Jul. 24, 2007 |
| 7232551 |
Fluidized bed method and reactor for the treatment of catalysts and catalyst carriers |
Jun. 19, 2007 |
| 7223825 |
Single catalyst low, medium and high density polyethylenes |
May. 29, 2007 |
| 7169863 |
Salts of lewis acid/acid adducts and catalyst activators therefrom |
Jan. 30, 2007 |
| 7157531 |
Methods for producing polymers with control over composition distribution |
Jan. 2, 2007 |
| 7141635 |
Catalyst composition and polymerization process using mixtures of selectivity control agents |
Nov. 28, 2006 |
| 7135531 |
Spherical catalyst for olefin polymerization |
Nov. 14, 2006 |
| 7122607 |
Polymerization process |
Oct. 17, 2006 |
| 7091291 |
Olefin polymerization process |
Aug. 15, 2006 |
| 7084223 |
Supported late transition metal catalyst systems |
Aug. 1, 2006 |
| 7078467 |
Single catalyst low, medium and high density polyethylenes |
Jul. 18, 2006 |
| 7067598 |
Process for the continuous gas-phase (co-)polymerisation of olefins in a fluidised bed reactor |
Jun. 27, 2006 |
| 7053163 |
Controlled comonomer distribution along a reactor for copolymer production |
May. 30, 2006 |
| 7041750 |
Process and apparatus for making supported catalyst systems for olefin polymerization |
May. 9, 2006 |
| 7001964 |
Selective isomerization and linear dimerization of olefins using cobalt catalysts |
Feb. 21, 2006 |
| 6995217 |
Processes for transitioning between metallocene and Ziegler-Natta polymerization catalysts |
Feb. 7, 2006 |
| 6995235 |
Methods of producing polyolefins and films therefrom |
Feb. 7, 2006 |
| 6995220 |
Ethylene polymerization process |
Feb. 7, 2006 |
| 6989344 |
Supported chromium oxide catalyst for the production of broad molecular weight polyethylene |
Jan. 24, 2006 |
| 6977283 |
Polymerization process |
Dec. 20, 2005 |
| 6949612 |
Processes for transitioning between metallocene and Ziegler-Natta polymerization catalysts |
Sep. 27, 2005 |
| 6946530 |
Process for the gas-phase (co-)polymerization of olefins in a fluidized bed reactor |
Sep. 20, 2005 |
| 6936666 |
Continuous gas-phase polymerization process |
Aug. 30, 2005 |
| 6927260 |
Optimization of heat removal in a gas-phase fluidized-bed process |
Aug. 9, 2005 |
| 6921799 |
Olefin polymerization process |
Jul. 26, 2005 |
| 6914104 |
Process for polymerization of .alpha.-olefin |
Jul. 5, 2005 |
| 6911504 |
Apparatus and process for gas phase fluidized-bed polymerization |
Jun. 28, 2005 |
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