Patent · US Active

Polypropylene copolymers with improved stiffness and impact behaviour

US11254811B2 · kind B2 · utility

2Cited by

1References

9Claims

0Family size

Assignee

Borealis AG · AT

Inventors

Minna Aarnio-Winterhof · Orth an der Donau, AT
Markus Gahleitner · Ansfelden, AT
Jingbo Wang · Linz, AT
Karlheinz Friedrich · Weiden am See, AT

Key dates

Filing date	Aug 23, 2018
Grant date	Feb 22, 2022
Priority date	—
Expiry date	Aug 23, 2038

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L2308/00
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present invention is directed towards random-heterophasic propylene copolymers with a specific ratio of stiffness to impact balance and specific relation between glass transition temperature and comonomer content. The invention is further directed to articles comprising said random-heterophasic propylene copolymer and their use.

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