Stabilized organic polymer compositions containing compound cont

Details Stabilized organic polymer compositions containing compound cont Stabilized organic polymer compositions containing compound cont

Filed on

1991-07-03

Date issued

1992-06-23

Examiner

Michl, Paul R.

Patent Class

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

SubClass

Synthetic resins

SubSubClass

Processes of preparing a desired or intentional composition...

Other Related Categories

546222, C08K 53435

Type

Patent

Status

active

Patent number

051243806

Description

ABSTRACT:
Compounds containing a 2,2,6,6-tetramethylpiperidinyl group and a method of making them. The compounds are effective for the protection of organic polymers against degradation due to light and ultraviolet radiation.

REFERENCES:
patent: 4115476 (1978-09-01), Minagawa et al.
patent: 4116933 (1978-09-01), Ramey et al.
patent: 4124564 (1978-11-01), Minagawa et al.
patent: 4812500 (1989-03-01), Hayden

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