06642313 is referenced by 20 patents.

A solution polymerization process in a series or parallel of two or more reactors at different temperatures is used to prepare a multimodal polyolefin resin of narrow molecular weight distribution. This resin is used to manufacture melt extruded pipe that has an improved performance at elevated temperatures and an improved hydrostatic design.

Title
Multimodal polyolefin pipe
Application Number
10/88327
Publication Number
6642313 (B1)
Application Date
March 13, 2002
Publication Date
November 4, 2003
Inventor
Stanley Allan Grabow
Calgary
US
Christopher John Brooke Dobbin
Calgary
US
Stephen John Brown
Calgary
US
Alexei Kazakov
Calgary
US
Agent
Kenneth H Johnson
US
Assignee
Nova Chemicals
US
IPC
C08L 23/00
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