C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 251/24 (2006.01) C07D 251/14 (2006.01) C08K 5/3492 (2006.01)
Patent
CA 2200807
Compositions based on synthetic organic polymers or prepolymers are effectively stabilized against the damaging effects of light, oxygen and/or heat by addition of a compound of the formula I (see formula I) in which Z is a group of one of the formulae II or III, (see formulae II or III) R7 and R17, independently of one another, are a radical of one of the formulae IV, V and VI (see formulae IV, V and VI) and the remaining symbols are as defined in claim 1.
Birbaum Jean-Luc
Meuwly Roger
Toan Vien Van
Valet Andreas
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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