Patent · US Expired

Polymers photostabilized by novel imidazole-2-carboxanilides

US4820757A · kind A · utility

23Cited by

8References

11Claims

0Family size

Assignee

BASF SE

Inventors

Peter Spang · Sankt Ingbert, DE
Peter Neumann · Wiesloch, DE
Gerhard Wagenblast · Wachenheim, DE
Hubert Trauth · Dudenhofen, DE

Key dates

Filing date	Mar 14, 1988
Grant date	Apr 11, 1989
Priority date	—
Expiry date	Mar 14, 2008

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08K5/3447
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Photostabilized polymers, including polyurethanes and plastics coatings, contain as photostabilizer one or more compounds of the formula ##STR1## or a novel imidazole-2-carboxanilide of the formula ##STR2##

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