Patent · US Expired

Stabilization of synthetic polymers

US6881774B2 · kind B2 · utility

10Cited by

10References

9Claims

0Family size

Assignee

Ciba Specialty Chemicals Corporation · US

Inventors

Kerstin Schrinner · Glückstadt, DE
Pascal Xanthopoulos · Singapore, SG

Key dates

Filing date	Sep 9, 2002
Grant date	Apr 19, 2005
Priority date	—
Expiry date	Feb 14, 2023

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08K5/005
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Synthetic polymers which possess outstanding stability to oxidative, thermal or light-induced degradation comprise as stabilizer at least a compound of the formula I wherein

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