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:
May. 19, 2015
Filed:
Nov. 11, 2011
Applicants:
Shuang Di Shandy LI, Shanghai, CN;
Alex Wegmann, Allschwil, CH;
Inventors:
Shuang di Shandy Li, Shanghai, CN;
Alex Wegmann, Allschwil, CH;
Assignee:
BASF SE, Ludwigshafen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K 5/00 (2006.01); C08K 5/3432 (2006.01); C08K 5/45 (2006.01); C08K 5/46 (2006.01); C08K 5/134 (2006.01); C08K 5/375 (2006.01); C08K 5/378 (2006.01);
U.S. Cl.
CPC ...
C08K 5/005 (2013.01); C08K 5/1345 (2013.01); C08K 5/375 (2013.01); C08K 5/378 (2013.01);
Abstract
The present invention relates to a composition, which comprises (a) a compound of formula (A-1) (b) a compound of formulae (B-1), (B-11), (B-111) or (B-IV) wherein Zis linear C-alkyl or linear C-alkyl, and (c) a compound, which is a further sterically hindered phenolic antioxidant. The composition is used for stabilization of an organic polymer against degradation by heat, light and/or oxidation. The organic polymer is for example a styrene-butadiene copolymer, a styrene-isoprene copolymers or polybutadiene.