Patent · US Expired

Heterophasic propylene copolymer and process for its preparation

US6342564B1 · kind B1 · utility

54Cited by
8References
25Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 27, 2000
Grant dateJan 29, 2002
Priority date
Expiry dateMar 27, 2020

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L2205/02
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A hetrophasic polypropylene copolymer having a tensile modulus of 420 Mpa or less comprising: i) a semi-crystalline propylene:ethylene: and optionally other &agr;-olefin polymer matrix; ii) an elastomeric propylene:ethylene and optionally other &agr;-olefin copolymer.

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