Water-based pigment ink, and ink-jet recording method and instru

Details Water-based pigment ink, and ink-jet recording method and instru Water-based pigment ink, and ink-jet recording method and instru

Filed on

1997-11-10

Date issued

1999-11-02

Examiner

Klemanski, Helene

Patent Class

Compositions: coating or plastic

SubClass

Coating or plastic compositions

SubSubClass

Marking

Other Related Categories

106 3175, 106 3177, C09D 1102

Type

Patent

Status

active

Patent number

059762330

Description

ABSTRACT:
Disclosed herein is a water-based pigment ink comprising a coloring material composed of self-dispersing carbon black obtained by bonding at least one hydrophilic group directly or through another atomic group to the surface of carbon black, a humectant of the general formula

REFERENCES:
patent: 5169437 (1992-12-01), You
patent: 5356464 (1994-10-01), Hickman et al.
patent: 5571311 (1996-11-01), Belmont et al.
patent: 5746818 (1998-05-01), Yatake
patent: 5762695 (1998-06-01), Wong et al.

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