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:
Sep. 28, 1999
Filed:
Mar. 21, 1997
Applicant:
Inventors:
Jean-Luc Birbaum, Kobe, JP;
Vien Van Toan, Lentigny, CH;
Andreas Valet, Binzen, DE;
Roger Meuwly, Cournillens, CH;
Assignee:
Ciba Specialty Chemicals Corp., Tarrytown, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C07D / ;
U.S. Cl.
CPC ...
524100 ; 524 91 ; 252403 ; 544216 ;
Abstract
Compositions based on synthetic organic polymers or prepolymers are effectively stabilized against the damaging effects of light, oxygen and/or heat by addition of a compound of the formula I ##STR1## in which Z is a group of one of the formulae II or III, ##STR2## R.sub.7 and R.sub.17, independently of one another, are a radical of one of the formulae IV, V and VI ##STR3## and the remaining symbols are as defined in claim 1.