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Patent Searching and Data


Title:
【発明の名称】エチレンのホモポリマー
Document Type and Number:
Japanese Patent JP2002506095
Kind Code:
A
Abstract:
A polyethylene having the following properties: an annealed density D/weight average molecular weight Mw relationship defined by the equation D>1104.5Mw-0.0116, and a Charpy Impact I/High Load Melt Index H relationship defined by the equation I>35.OH-0.4. Also, a polyethylene film having the following properties: a density of at least 957 kg/m3; a Dart Impact of at least 130 g; and a polydispersity of less than 12. Both may be made using a tridentate nitrogen-containing transition metal polymerization catalyst.

Inventors:
Cratton, Edward, Quentin
Hope, Philip, Stephen
Partington, Stephen, Roy
Samsung, john, norman, reed
Application Number:
JP2000535684A
Publication Date:
February 26, 2002
Filing Date:
March 10, 1999
Export Citation:
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Assignee:
BP Chemicals Limited
International Classes:
C07D213/53; C07F13/00; C07F15/00; C07F15/02; C08J5/18; C07F15/06; C08F4/70; C08F10/00; C08F110/02; C08F210/16; C08F4/659; C08F4/6592; C08F10/02; (IPC1-7): C08F110/02; C08F4/70; C08J5/18
Attorney, Agent or Firm:
Haruo Hamada