Novel piperidine derivatives for the stabilization of synthetic

Details Novel piperidine derivatives for the stabilization of synthetic Novel piperidine derivatives for the stabilization of synthetic

1974-07-03

1977-02-08

Welsh, M. J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C08K 500

Patent

active

040071588

ABSTRACT:
Novel piperidine derivatives of formula: ##STR1## (wherein 2 or 3 of R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 represent alkyl groups having from 1 to 4 carbon atoms and the remainder of R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 are hydrogen atoms, and R.sub.6 represents a hydrogen atom, an alkyl group, an alkenyl group, an alkynyl group, a substituted alkyl group, an aliphatic acyl group, an alkoxycarbonyl group or an aralkoxycarbonyl group) are useful as stabilizers for synthetic polymers.

REFERENCES:
patent: 3660331 (1972-05-01), Ludwig
patent: 3692778 (1972-09-01), Murayama et al.
patent: 3790525 (1974-02-01), Murayama et al.
patent: 3839273 (1974-10-01), Murayama et al.
patent: 3859293 (1975-01-01), Murayama et al.

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