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:
Oct. 30, 2018
Filed:
Aug. 26, 2016
Basf SE, Ludwigshafen, DE;
Walter Fischer, Reinach, DE;
Abdel-Ilah Basbas, Basel, CH;
Kai-Uwe Schoening, Oberwil, CH;
Cinzia Tartarini, Basel, CH;
Werner Hölzl, Eschentzwiller, FR;
Bruno Rotzinger, Delémont, CH;
BASF SE, Ludwigshafen, DE;
Abstract
A composition, which comprises a) an organic material susceptible to oxidative, thermal or light-induced degradation; and b) a compound of formula I (Formula I) (I) where R, R, R, R, R, R, R, R, Rand Rare independently from each other H, C-C-alkyl, C-C-cycloalkyl, phenyl, C-C-alkoxy or halogen; n is 1, 2, 3, or 4; and when n is 1 A is —C(=0)-OR', —C(=0)-N(R)(R′), —CN, phenyl, which is unsubstituted or substituted by one or more C-C-alkyl, C-C-alkoxy, C-C-cycloalkyl or halogen, —H or —S0-phenyl; when n is 2 A is —C(=0)-0-Z—O—C(=0)-, —C(=0)-N(R″)—Z—N(R″)—C(=0)- or piperazine-N,N′-biscarbonyl.