Antioxidant compositions

Details Antioxidant compositions Antioxidant compositions

1981-04-01

1982-12-14

Gluck, Irwin

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252182, 521117, 521121, 521128, 521130, C09K 1528

Patent

active

043637450

ABSTRACT:
Antioxidant compositions containing (a) a sterically hindered phenol, (b) 4,4'-bis(.alpha.,.alpha.-dimethylbenzyl) diphenyl amine and (c) a phenothiazine compound stabilize polyols against oxidative degradation and prevent urethane foams prepared therefrom from scorching.

REFERENCES:
patent: 3072605 (1963-01-01), Rogers et al.
patent: 3215397 (1965-10-01), Cox
patent: 3428567 (1969-02-01), Newton
patent: 3567664 (1971-03-01), Haring
patent: 3637865 (1972-01-01), Haring
patent: 4007230 (1977-02-01), Hinze
patent: 4010211 (1977-03-01), Preston et al.
patent: 4021385 (1977-05-01), Austin et al.
patent: 4070304 (1978-01-01), Hinze
patent: 4143219 (1979-03-01), Hensch
patent: 4146687 (1979-03-01), Reale

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