The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 18, 2003
Filed:
Nov. 28, 2000
Applicant:
Inventors:
Krijn Dijkstra, Sittard, NL;
Pieter Gijsman, Groot-Genhout, NL;
Assignee:
DSM N.V., Heerlen, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 3/00 ; C08K 5/34 ; C08K 3/04 ; C08L 6/700 ; B05D 3/02 ;
U.S. Cl.
CPC ...
C08J 3/00 ; C08K 5/34 ; C08K 3/04 ; C08L 6/700 ; B05D 3/02 ;
Abstract
A polyetherester copolymer composition having improved UV stability includes activated carbon and hindered amine light stabilizer (HALS). A film of the composition having a thickness of 100 &mgr;m increases life by a factor of about 2, relative to the sum of the individual components.