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. 16, 1986
Filed:
Sep. 19, 1985
John D Spivack, Spring Valley, NY (US);
Stephen D Pastor, Spring Valley, NY (US);
Ciba-Geigy Corporation, Ardsley, NY (US);
Abstract
Organic materials are stabilized against thermal, oxidative and photo-degradation by incorporating therein an effective amount of a compound of formula I ##STR1## wherein T.sub.1 and T.sub.2 independently are alkyl, cycloalkyl, phenyl, aralkyl, T.sub.2 may also be hydrogen, T is alkyl, phenyl or substituted hydroxyphenyl, E is a direct bond, alkylene, cycloalkylene, phenylene or --CH.sub.2 CH(ST)CH.sub.2 --, T.sub.3 and T.sub.4 are independently hydrogen, alkyl or cycloalkyl; or together are alkylene, T.sub.5 is hydrogen, alkyl or phenyl, n is 1 or 2, t is 0 or 1, and t is 2-n. Polyolefins, ABS resins, natural and synthetic rubbers and polyesters are particularly well stabilized by the compounds of formula I.