Colorants for ball point pen and ribbon inks derived from pararo

Details Colorants for ball point pen and ribbon inks derived from pararo Colorants for ball point pen and ribbon inks derived from pararo

1987-02-24

1989-01-24

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

106 20, 106 22, 106 23, 534573, C09B 1110, C09B 2901, C09D 1102, C09D 1118

Patent

active

048000434

ABSTRACT:
Reddish-brown to yellow shade colorants suitable for ribbon and ball point inks are produced from the glassy waste by-product of pararosaniline manufacture.

REFERENCES:
patent: 3589897 (1971-06-01), Fox et al.
patent: 3686233 (1972-08-01), Gordon et al.
patent: 3884869 (1975-05-01), Conger

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