Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1988-05-20
1989-09-26
Lone, Werren B.
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
C07C 3912
Patent
active
048702145
ABSTRACT:
Antioxidant compounds having the structure: ##STR1## in which p is 1 or 2 and + is a tert-butyl group provide excellent oxidation stability, melt flow index and yellow index, especially in polypropylene.
REFERENCES:
patent: 3644538 (1972-02-01), Starnes et al.
patent: 3925488 (1975-12-01), Shin
patent: 4259534 (1981-03-01), Gurvich et al.
Mina George L.
Schell Raymond A.
Ethyl Corporation
Lone Werren B.
Odenweller Joseph D.
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