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:
Aug. 02, 2005
Filed:
Feb. 19, 2001
Dario Lazzari, Bologna, IT;
Graziano Zagnoni, Vergato, IT;
Dario Lazzari, Bologna, IT;
Graziano Zagnoni, Vergato, IT;
Ciba Specialty Chemicals Corp., Tarrytown, NY (US);
Abstract
A compound of the formula (I) wherein G, G, Gand Gare independently of one another C-Calkyl or C-Ccycloalkyl or the radicals Gand Gand the radicals Gand Gform independently of one another, together with the carbon atom they are attached to, C-Ccycloalkyl; R is hydrogen, C-Calkyl, oxyl, —OH, —CHCN, C-Calkenyl, C-Calkynyl, C-Cphenylalkyl unsubstituted or substituted on the phenyl radical by C-Calkyl and/or C-Calkoxy; C-Cacyl, C-Calkoxy, C-Chydroxyalkoxy, C-Calkenyloxy, C-Ccycloalkoxy, C-Cphenylalkoxy unsubstituted or substituted on the phenyl radical by C-Calkyl and/or C-Calkoxy; C-Calkanoyloxy, (C-Calkoxy)carbonyl, glycidyl or a group —CHCH(OH)(G) with G being hydrogen, methyl or phenyl; n is 1, 2, 3 or 4; and X is an organic radical of a valency equal to n; and when n is 2, 3 or 4, each of the radicals G, G, G, Gand R can have the same or a different meaning in the units of the formula (II), is useful for stabilizing an organic material against degradation induced by light, heat or oxidation