Fluorene phosphonites and thiophosphonites as antioxidants for o

Details Fluorene phosphonites and thiophosphonites as antioxidants for o Fluorene phosphonites and thiophosphonites as antioxidants for o

1978-09-11

1980-07-08

Sutto, Anton H.

Chemistry of carbon compounds

Dipeptides, e.g., aspartame, anserine, carnosine, etc.

260956, 260 4595D, C07F 948, C08K 553

Patent

active

042117313

ABSTRACT:
Fluorene phosphonites and thiophosphonites of the formula, ##STR1## in which each R, independently, is alkyl or optionally substituted phenyl, each Y, independently, is oxygen or sulphur, and n is zero or 1, are useful as antioxidants. Organic materials, which are susceptible to the degradative effects of oxygen, are treated with one or more of such compounds e.g. by incorporation into the body of the organic material, in order to be stabilized against such effects.

REFERENCES:
patent: 3825629 (1974-07-01), Hofer et al.
patent: 3903208 (1975-09-01), Hofer et al.

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