Patent · US Active

3-phenyl-benzofuran-2-one derivatives containing phosphorus as stabilizers

US10590263B2 · kind B2 · utility

6Cited by

12References

20Claims

0Family size

Assignee

BASF SE

Inventors

Werner Hoelzl · Eschentzwiller, FR
Roswell E. King, III · Pleasantville, US
Jean-Roch Pauquet · Kaiseraugst, CH

Key dates

Filing date	Aug 4, 2016
Grant date	Mar 17, 2020
Priority date	—
Expiry date	Jan 4, 2037

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L81/06
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention relates to a composition comprising an organic material susceptible to oxidative, thermal or light-induced degradation and a compound of formula (I-P), (I-O) or (I-M). Further embodiments are a compound of formula (I-P), (I-O) or (I-M), a process for protection of the organic material by the compound, the use of the compound for stabilizing the organic material, an additive composition comprising the compound and a process for manufacturing the compound. The organic material is for example a polymer.

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