Patent · US Active

Polyethylene resins

US7459509B2 · kind B2 · utility

8Cited by
11References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 24, 2007
Grant dateDec 2, 2008
Priority date
Expiry dateFeb 24, 2027

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F4/65925
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The invention provides ethylene/α-olefin copolymers exhibiting improved environmental stress cracking resistance properties, and methods for the production of the copolymers in a single reactor by means of a bimetallic catalyst including a Ziegler component and a metallocene component.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.