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:
Apr. 28, 1987
Filed:
Feb. 19, 1985
Applicant:
Inventors:
Michael Rasberger, Riehen, CH;
Peter Hofmann, Basel, CH;
Hans R Meier, Marly, CH;
Paul Dubs, Marly, CH;
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ; C08K / ;
U.S. Cl.
CPC ...
546 22 ; 524 99 ; 524103 ; 524106 ; 524107 ;
Abstract
Compounds of the formula I or II, ##STR1## wherein m is 1 or 2, A is branched or unbranched 1,2- or 1,3-alkylene, or o-phenylene, E is a group III or IIIa, R is hydrogen or methyl, R.sup.1 and R.sup.3 are hydrogen, alkyl, alkenyl, aralkyl, alkanoyl, alkenoyl, benzoyl or cyanomethyl, R.sup.2 is a radical of valency m and R.sup.4 is a monovalent radical, are effective processing stabilizers for polymers, in particular for polyolefins, and additionally have a stabilizing action against damage by light.