Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1975-06-30
1977-05-24
Hoke, V. P.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
260559R, 260808, C08K 520
Patent
active
040254879
ABSTRACT:
4-Aroylamido-2-alkyl-6-t-butylphenols can be prepared by reacting 2-alkyl-6-t-butyl-4-aminophenol with an aroylhalide. The products are useful as stabilizers of organic materials subject to thermal and ultraviolet light degradation and especially useful as butadiene rubber stabilizers.
REFERENCES:
patent: R26158 (1967-02-01), Tholstrup
patent: 2654722 (1953-10-01), Young et al.
Polymer Engineering and Science - July 1966, pp. 231-239.
Dexter Martin
Knell Martin
Ciba-Geigy Corporation
Hoke V. P.
Shust Nestor W.
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