Quinolone azo barbituric acid pigments

Details Quinolone azo barbituric acid pigments Quinolone azo barbituric acid pigments

1974-04-22

1976-06-15

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

106 23, 106193P, 106204, 106288Q, 260 4221, 260251R, 260257, 260260, 260289R, 260764, C09B 2936, D06P 108, D06P 324, D06P 360

Patent

active

039636933

ABSTRACT:
Monoazo pigments of the formula ##SPC1##
Wherein X denotes an O or S atom or an imino group, Y denotes an O atom or an imino group, and X.sub.1 and Y.sub.1 denote H or halogen atoms, or alkyl or alkoxy groups are prepared. The pigments are useful for coloring plastics such as polycarbonates, polystyrene, and polyvinylchloride in fast yellow to red shades.

REFERENCES:
patent: 2140987 (1938-12-01), Dickey
patent: 2283220 (1942-05-01), McNally et al.
patent: 2827451 (1958-03-01), Towne et al.
patent: 2839523 (1958-06-01), Towne et al.

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