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:
Feb. 18, 2003
Filed:
Jun. 23, 1997
Applicant:
Inventors:
Jürg Zingg, Reinach, CH;
Jean-Roch Pauquet, Kaiseraugst, CH;
Christoph Kröhnke, Breisach, DE;
Assignee:
Ciba Specialty Chemicals Corporation, Tarrytown, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/1535 ; C08K 5/3432 ; C08K 5/5333 ; C08K 5/524 ;
U.S. Cl.
CPC ...
C08K 5/1535 ; C08K 5/3432 ; C08K 5/5333 ; C08K 5/524 ;
Abstract
Organic materials which possess outstanding stability to oxidative, thermal or light-induced degradation comprise as stabilizers at least one compound of the benzofuran-2-one type and at least one compound of the sterically hindered amine type.