Compositions stabilized with 3H-1,3,2-oxozaphospholidines

Details Compositions stabilized with 3H-1,3,2-oxozaphospholidines Compositions stabilized with 3H-1,3,2-oxozaphospholidines

1991-09-23

1992-09-15

Lee, Mary C.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524 94, 524 97, 524100, 524101, 524102, 524131, 524191, 524283, 524291, 524343, 25240021, C08K 55399

Patent

active

051479109

ABSTRACT:
Substituted 3H-1,3,2-oxazaphospholidines of formula I ##STR1## where R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are independently hydrogen, alkyl, cycloalkyl, phenylalkyl or aryl, n is 1 to 4 and T is an n-valent aliphatic or aromatic hydrocarbon radical are effective in stabilizing organic materials against the deleterious effects of oxygen, heat and/or actinic radiation.

REFERENCES:
patent: 4751319 (1988-06-01), Odorisio et al.
patent: 4812501 (1989-03-01), Odorisio et al.
patent: 4831178 (1989-05-01), Odorisio et al.
S. D. Pastor et al., J. Am. Chem. Soc., 110, 6547 (1988).
Abstract of German 3,047,443.

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