Stabilizing polymers

Details Stabilizing polymers Stabilizing polymers

Filed on

1985-03-15

Date issued

1987-12-29

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

546 16, 546189, 546190, 546191, 546223, 546224, 546244, C08K 534

Type

Patent

Status

active

Patent number

047161876

Description

ABSTRACT:
##STR1## in which R is hydrogen, unsubstituted C.sub.1-18 alkyl, unsubstituted C.sub.1-21 alkyl carbonyl, unsubstituted C.sub.2-19 alkenyl carbonyl, phenyl carbonyl, phenyl C.sub.1-4 alkyl carbonyl, C.sub.1-4 alkyl phenyl carbonyl or oxygen;

REFERENCES:
patent: 3684765 (1972-08-01), Matsui et al.
patent: 3907803 (1975-09-01), Ramey et al.
patent: 4140673 (1979-02-01), Lachmann et al.
patent: 4348524 (1982-09-01), Karrer et al.
patent: 4500662 (1985-02-01), Lai
J. Med. Chem. 1982, 25, 1106-1110.

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