Dyes containing tetramethylammonium cation for ink-jet printing

Details Dyes containing tetramethylammonium cation for ink-jet printing Dyes containing tetramethylammonium cation for ink-jet printing

1987-02-05

1988-08-02

Barr, Josephine

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 20, C09D 1102

Patent

active

047611804

ABSTRACT:
Inks used in ink-jet printing comprise a vehicle and a dye. The dye is typically an anionic dye, associated with undesirable cations such as sodium or potassium cations. Several properties of such inks are improved by replacing at least about one-fourth of such cations on the anionic dye with tetramethylammonium cations.

REFERENCES:
patent: 4605442 (1986-08-01), Kawashita et al.
patent: 4620876 (1986-11-01), Fujii et al.
patent: 4631085 (1986-12-01), Kawanishi et al.
patent: 4685968 (1987-08-01), Palmer

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