Ultraviolet light stabilized copolyestercarbonate

Details Ultraviolet light stabilized copolyestercarbonate Ultraviolet light stabilized copolyestercarbonate

1984-07-20

1985-08-13

Lee, Lester L.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524599, 524601, 524604, 524605, C08K 527

Patent

active

045351040

ABSTRACT:
A composition comprising an aromatic copolyestercarbonate article surface impregnated with an ultraviolet light degradation inhibiting effective amount of a compound of the formula ##STR1## wherein R is hydrogen or alkyl of one to twelve carbon atoms, inclusive.

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patent: 4403053 (1983-09-01), Lewis

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