Ink for use in ink jet printers

Details Ink for use in ink jet printers Ink for use in ink jet printers

1998-06-18

1999-10-26

Jagannathan, Vasu

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

Synthetic resins

Processes of preparing a desired or intentional composition...

106 316, 106 3165, 106 3178, 526264, 5263482, 5263483, 526 384, 5263485, C08F 2610, C08F 1014, C08F21014, C08F22610, C09D 1102

Patent

active

059730277

ABSTRACT:
Described is an ink for use in ink jet printers, comprising (a) a solvent, which consists at least of approximately 80% of a homopolar, non-watery solvent, (b) a pigment dispersed in the solvent and (c) a copolymer of vinyl-pyrrolidone with one or several long-chain .alpha.-olefins with at least 6 carbon atoms, specifically with 6 to 24 carbon atoms. Properties of the ink are as follows: reduced color bleeding, reduced penetration of coloring agent into the surface of the paper, improved optical density and improved storage stability.

REFERENCES:
patent: 3423381 (1969-01-01), Clark et al.
patent: 4190718 (1980-02-01), Lorenz et al.
patent: 4241048 (1980-12-01), Durbak et al.
patent: 4604139 (1986-08-01), Shioi et al.
patent: 5171807 (1992-12-01), Kopolow
patent: 5538548 (1996-07-01), Yamazaki
patent: 5837046 (1998-11-01), Schofield et al.

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