07312283 is referenced by 119 patents and cites 54 patents.

Catalyst compositions comprising a first metallocene compound, a second metallocene compound, an activator-support, and an organoaluminum compound are provided. Methods for preparing and using such catalysts to produce polyolefins are also provided. The compositions and methods disclosed herein provide ethylene polymers having a HLMI of from about 0.5 to about 25, a polymer density of from about 0.920 to about 0.965, and a polydispersity of from about 3.0 to about 30.

Title
Polymerization catalysts and process for producing bimodal polymers in a single reactor
Application Number
11/209006
Publication Number
7312283 (B2)
Application Date
August 22, 2005
Publication Date
December 25, 2007
Inventor
Mark E Kertok
Bartlesville
OK, US
Paul J DesLauriers
Bartlesville
OK, US
Qing Yang
Bartlesville
OK, US
Michael D Jensen
Laurel
MD, US
Max P McDaniel
Bartlesville
OK, US
Matthew G Thorn
Mason
OH, US
Joel L Martin
Bartlesville
OK, US
Agent
Merchant & Gould
Assignee
Chevron Phillips Chemical Company
TX, US
IPC
B01J 31/38
C08F 4/76
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