Polyethers containing 2,2,6,6-tetramethyl piperidinyl carboxylic

Details Polyethers containing 2,2,6,6-tetramethyl piperidinyl carboxylic Polyethers containing 2,2,6,6-tetramethyl piperidinyl carboxylic

1983-03-07

1984-07-17

Foelak, Morton

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

Synthetic resins

Processes of preparing a desired or intentional composition...

546188, 546189, 546190, 546191, 546209, C08K 534, C07D40300, C07D25100, C07D25128

Patent

active

044607253

ABSTRACT:
Polyethers containing 2,2,6,6-tetramethyl piperidinyl carboxylic acid ester or ether groups are provided, comprising polymeric units having the structure ##STR1## wherein X is selected from the group consisting of: ##STR2## R.sub.1 is selected from the group consisting of hydrogen, --O, alkyl, hydroxy alkyl and epoxyalkyl having from one to about eighteen carbon atoms, acyl having from one to about eighteen carbon atoms, cycloalkyl having from three to about eighteen carbon atoms; phenyl; phenalkyl and alkylphenyl having from seven to about twenty-four carbon atoms;

REFERENCES:
patent: 3998784 (1976-12-01), Cook
patent: 4212974 (1980-07-01), Murayama et al.
patent: 4256627 (1981-03-01), Moser et al.
patent: 4336183 (1982-06-01), Nakahara et al.

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