07517939 is referenced by 110 patents and cites 69 patents.

This invention relates to catalyst compositions, methods, and polymers encompassing at least one Group 4 metallocene compound comprising bridging η5-cyclopentadienyl-type ligands, typically in combination with at least one cocatalyst, and at least one activator. The compositions and methods disclosed herein provide ethylene polymers with low levels of long chain branching.

Title
Polymerization catalysts for producing high molecular weight polymers with low levels of long chain branching
Application Number
11/345966
Publication Number
7517939 (B2)
Application Date
February 2, 2006
Publication Date
April 14, 2009
Inventor
David C Rohlfing
Bartlesville
OK, US
Youlu Yu
Bartlesville
OK, US
Max P McDaniel
Bartlesville
OK, US
Matthew G Thorn
Mason
OH, US
Joel L Martin
Bartlesville
OK, US
Michael D Jensen
Laurel
MD, US
Qing Yang
Bartlesville
OK, US
Agent
Merchant & Gould P C
Assignee
Chevron Phillips Chemical Company
TX, US
IPC
B01J 31/22
C08F 4/6592
C08F 4/64
View Original Source