Aqueous pigment ink composition

Details Aqueous pigment ink composition Aqueous pigment ink composition

1997-07-18

1999-01-19

Michl, Paul R.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

106472, 106478, 524496, C09D 1118

Patent

active

058614478

ABSTRACT:
An aqueous pigment ink composition comprising an oxidized carbon black obtained by wet-oxidation of a carbon black using a hypohalous acid and/or salt thereof, and a water-soluble cationic polymer or oligomer in an aqueous medium. The aqueous pigment ink composition of the present invention does not cause clogging in a nozzle when used for ink jet recording, enables smooth writing from a narrow pen tip, and provides a recorded image excellent in water resistance and light resistance and excellent in density and hue.

REFERENCES:
patent: 4592814 (1986-06-01), Vaughan
patent: 5632927 (1997-05-01), Ferrier
patent: 5686508 (1997-11-01), Shimomura
English abstract of Japanese Kokai Publication No. 64-6074.
English abstract of Japanese Kokai Publication No. 2-276872.
English abstract of Japanese Kokai Publication No. 2-276875.
English abstract of Japanese Kokai Publication No. 3-134073.
English abstract of Japanese Kokai Publication No. 3-210373.
English abstract of Japanese Kokai Publication No. 4-149286.
English abstract of Japanese Kokai Publication No. 7-268258.

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