Pentaerythritol diphosphite stabilizers and process

Details Pentaerythritol diphosphite stabilizers and process Pentaerythritol diphosphite stabilizers and process

1986-10-24

1987-09-08

Foelak, Morton

Organic compounds -- part of the class 532-570 series

Organic compounds

Phosphorus esters

524120, C07F 915, C08K 552

Patent

active

046925392

ABSTRACT:
Pentaerythritol diphosphites corresponding to the formula ##STR1## being useful for stabilizing organic materials against thermal, oxidative and actinic degradation and a process for the preparation thereof.

REFERENCES:
patent: 3192243 (1965-06-01), Gagiiani
patent: 3265774 (1966-08-01), Friedman
patent: 4094855 (1978-06-01), Spivack
patent: 4143101 (1979-03-01), Mayerhoefer et al.
patent: 4180498 (1979-12-01), Spivack
patent: 4207229 (1980-06-01), Spivack
patent: 4290976 (1981-09-01), Hechenbleikner et al.
patent: 4305866 (1981-12-01), York et al.
patent: 4371647 (1983-02-01), Minagawa et al.

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