N-methylated bis-4-piperidylphosphite

Details N-methylated bis-4-piperidylphosphite N-methylated bis-4-piperidylphosphite

1992-08-10

1993-08-24

Cintins, Marianne M.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D40514

Patent

active

052390764

ABSTRACT:
The invention relates to the novel compound 3,9-bis(1,2,2,6,6-pentamethyl-4-piperidyloxy)-2,4,8,10-tetraoxa-3,9-diphos phaspiro[5,5]undecane of formula I ##STR1## This compound can be used as stabilizer for organic material, especially as processing stabilizer for polyethylene and polypropylene.

REFERENCES:
patent: 4772708 (1988-09-01), DiBattista et al.
patent: 5021481 (1991-06-01), Galbo et al.
Chem. Abstract 91(20):158608t, Hechenbleikner et al.

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