Antioxidants

Details Antioxidants Antioxidants

1977-07-21

1980-01-29

Padgett, Benjamin R.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

2605705P, 260 459QA, 252401, C09K 1532

Patent

active

041861051

ABSTRACT:
Diphenylamine-formaldehyde containing N,N,N',N'-tetraphenyldiaminomethane as the principal product of reaction is obtained by:

REFERENCES:
patent: 1890916 (1932-12-01), Semon
patent: 3304284 (1967-02-01), Cox
patent: 3649690 (1972-03-01), Wheeler
patent: 3655559 (1972-04-01), Holt
patent: 4013720 (1977-03-01), Nicholson et al.
Craig, "Journal of American Chemical Society", vol. 55, pp. 3723-3727 (1933).
Walker, "Formaldehyde", 3rd ed., p. 632 (1964).

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