Colored polyester composition

Details Colored polyester composition Colored polyester composition

1981-02-24

1983-05-17

Lieberman, Paul

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524605, C08K 534, C08L 6702

Patent

active

043840604

ABSTRACT:
A colored polyester composition comprising an aromatic polyester and as a coloring agent, a barbituric acid-type pigment of the formula ##STR1## wherein ##STR2## represents an o-phenylene group or a 1,2- or 2,3-naphthylene group, each of which may have a phenyl group as a substituent.

REFERENCES:
Chemical Abstracts, vol. 77, 1972, p. 130, abstract No. 7430p, Bock, Gustav et al., "1,3-Disubstituted isoindoline pigments."
Chemical Abstracts, vol. 88, 1978, p. 70, abstract No. 122,669n, Lotsch, Wolfgang, "Pigment Dyes."

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