2,2,6,6-Tetramethylpiperidine derivatives

Details 2,2,6,6-Tetramethylpiperidine derivatives 2,2,6,6-Tetramethylpiperidine derivatives

1979-07-16

1980-11-18

Jiles, Henry R.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

260 458N, 260 458NT, 546 20, C07D40110, C07D40106

Patent

active

042347343

ABSTRACT:
2,2,6,6-Tetramethylpiperidine derivatives of the formula I ##STR1## in which A is a radical of the formula II, III or IV, and in formula II B is bonded to the N atom, ##STR2## B is C.sub.2 -C.sub.12 alkylene, C.sub.4 -C.sub.10 alkenylene, C.sub.6 alkynylene, xylylene or bitolylene, R.sub.1 is H or C.sub.1 -C.sub.12 alkyl, R.sub.2 is hydrogen, methyl, ethyl, phenyl or phenoxymethyl and n is 0, 1 or 2, for use as stabilizers for synthetic organic polymer.

REFERENCES:
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patent: 3975462 (1976-08-01), Murayama et al.
patent: 4005094 (1977-01-01), Murayama et al.
patent: 4049647 (1977-09-01), Holt et al.
patent: 4097587 (1978-06-01), Soma et al.
patent: 4148783 (1979-04-01), Rasberger et al.

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