Polymeric phenolic antioxidants

Details Polymeric phenolic antioxidants Polymeric phenolic antioxidants

1975-05-29

1977-06-07

Schofer, Joseph L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260619R, 260619D, 426546, A23D 504, C08F 1910

Patent

active

040283429

ABSTRACT:
Polymeric phenols of the formula ##STR1## WHEREIN N IS AN INTEGER FROM 3 TO 2,000, R.sub.1 is a lower alkyl and R.sub.2 is hydrogen or a lower alkyl, are disclosed. Their preparation and preferred use as antioxidants, especially nonabsorbable food antioxidants, are also disclosed.

REFERENCES:
patent: 2450766 (1947-05-01), Nixon et al.
patent: 3004953 (1961-10-01), Sonnabend
patent: 3075832 (1963-01-01), Ecke
patent: 3645970 (1972-02-01), Kleiner
patent: 3758597 (1973-09-01), Buysch et al.
patent: 3930047 (1975-12-01), Dale et al.

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