Patent · US Expired

Stabilizing agent

US6887939B2 · kind B2 · utility

0Cited by

14References

16Claims

0Family size

Assignees

Degussa AG · DE
Borealis A/S · DK

Inventors

Udo Jegelka · Recklinghausen, DE
Jochen Kirchhoff · Thedinghausen, DE
Thomas Hjertberg · Kungshamn, SE
Bill Gustafsson · Stenungsund, SE
Johan Linner · Umeå, SE
Annika Smedberg · Stenungsund, SE

Key dates

Filing date	Jan 3, 2003
Grant date	May 3, 2005
Priority date	—
Expiry date	Feb 9, 2023

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L2201/08
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present invention relates to a stabilizing agent for polymers or copolymers which is a copolymer of ethylene or propylene (A) and a vinyl compound (B) having the formula:

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