C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
31/76
C09K 15/06 (2006.01) C08K 5/526 (2006.01)
Patent
CA 1107052
Abstract of the Disclosure Use of symmetrical triarylphosphites of the general formula I Image (I) wherein R1 is tert.-butyl, 1,1-dimethylpropyl, cyclohexyl or phenyl, and one of R2 and R3 is hydrogen and the other is hydrogen, methyl, tert.- butyl, 1,1-dimethylpropyl, cyclohexyl or phenyl, in combination with phenolic antioxidants for stabilising organic polymers which contain hetero atoms, double bonds or aromatic rings.
271006
Muller Helmut
Schwarzenbach Kurt
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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