Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Alex Wegmann0
Shuang di Shandy Li0
Date of Patent
May 19, 2015
Patent Application Number
13883887
Date Filed
November 11, 2011
Patent Citations Received
Patent Primary Examiner
Patent 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 Z1 is linear C12-alkyl or linear C18-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.
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