Liquid antioxidant mixtures

Details Liquid antioxidant mixtures Liquid antioxidant mixtures

2008-07-31

2010-11-02

Anthony, Joseph D (Department: 1796)

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

C252S401000, C252S404000, C252S405000, C252S406000, C252S407000

Reexamination Certificate

active

07824575

ABSTRACT:
The present invention provides for liquid antioxidant mixtures of octylated/butylated diphenylamine, phenothiazine and octadecyl (3,5-di-tert-butyl-4-hydroxyphenyl)-propionate. The antioxidant mixtures are useful for polyurethane stabilization.

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patent: 4233208 (1980-11-01), Spivack
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patent: 7419564 (2008-09-01), Henke et al.
patent: 2006/0040833 (2006-02-01), Al-Akhdar et al.
patent: 2006/0162860 (2006-07-01), Henke et al.
patent: 2006/0167209 (2006-07-01), Ostrowski et al.
patent: 2007/0185250 (2007-08-01), Mader et al.

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