2,2,6,6-Tetraalkyl-4-piperidyl ketones and ketals as stabilizers

Details 2,2,6,6-Tetraalkyl-4-piperidyl ketones and ketals as stabilizers 2,2,6,6-Tetraalkyl-4-piperidyl ketones and ketals as stabilizers

1978-03-16

1979-11-06

Czaja, Donald E.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

260 23XA, 260 458N, 260 458NZ, 260 4585B, 546 19, 525243, 525256, C07D49110, C07D49120, C08K 535

Patent

active

041735994

ABSTRACT:
2,2,6,6-tetraalkyl-4-piperidyl ketones and ketals are provided, useful as stabilizers for organic polymeric materials, and having the general formula: ##STR1## wherein n are each 0 or 1 and are each the same;

REFERENCES:
patent: 3839273 (1974-10-01), Murayama et al.
patent: 3940363 (1976-02-01), Murayama et al.
patent: 4007158 (1977-02-01), Murayama et al.
patent: 4016168 (1977-04-01), Murayama et al.

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