Process for the preparation of triphenylemethane coloring agents

Details Process for the preparation of triphenylemethane coloring agents Process for the preparation of triphenylemethane coloring agents

1995-12-11

1998-09-15

Robinson, Allen J.

Organic compounds -- part of the class 532-570 series

Organic compounds

Acyclic carbon bonded directly to three benzene rings or to...

C09B 1104

Patent

active

058081160

ABSTRACT:
Triaminotriphenylmethane pigments are prepared by

REFERENCES:
patent: 1956921 (1934-05-01), Immerheiser et al.
patent: 3184483 (1965-05-01), Quint et al.
patent: 3211757 (1965-10-01), Schafer et al.
patent: 3444157 (1969-05-01), Tanaka et al.
patent: 3671553 (1972-06-01), Papenfuss et al.
patent: 4477381 (1984-10-01), Mayer et al.
Chamberlain, K.A.J., et al, BIOS Final Report No. 1433: pp. 32-33 (undated) .

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