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:
Dec. 27, 1994
Filed:
Mar. 10, 1993
Applicant:
Inventors:
Mario Slongo, Tafers, CH;
Jean-Luc Birbaum, Fribourg, CH;
Jean Rody, Riehen, CH;
Andreas Valet, Eimeldingen, DE;
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
524 87 ; 524 89 ; 524 91 ; 524 92 ; 524 94 ; 524 95 ; 524 99 ; 524100 ; 524102 ;
Abstract
Compounds which comprise at least one group of the formula I or II ##STR1## and at least one polyalkylpiperidine group of the formula III ##STR2## in which R and R.sub.1 to R.sub.6 have the meaning indicated in claim 1, are effective stabilizers for organic materials against damage by light, oxygen and heat.