Ink composition and ink set

Details Ink composition and ink set Ink composition and ink set

2006-11-14

2006-11-14

Zimmer, Marc S. (Department: 1712)

Coating processes

Nonuniform coating

C106S031250, C106S031600, C106S031850, C106S031860, C106S031890, C427S427400, C428S032100

Reexamination Certificate

active

07135208

ABSTRACT:
It is an object of the present invention to reduce uneven glossiness of images formed with pigmented ink compositions on glossy inkjet media by setting the type of surfactant and the content of an alkanediol and a glycol ether. The ink composition of the present invention contains a pigment, an alkanediol, a glycol ether, a polyether-modified polysiloxane compound, a water-soluble organic solvent, and water, and the sum of the contents of alkanediol and glycol ether is 10 wt % or more, but less than 20 wt %.

REFERENCES:
patent: 5221334 (1993-06-01), Ma et al.
patent: 6087614 (2000-07-01), Ishizuka et al.
patent: 2002/0002930 (2002-01-01), Yamashita et al.
patent: 2003/0226473 (2003-12-01), Ishimoto
patent: H9-188842 (1997-07-01), None
patent: H10-279871 (1998-10-01), None
patent: H11-349871 (1999-12-01), None
patent: 2001-272529 (2001-10-01), None
patent: 2001-354889 (2001-12-01), None
patent: 2002-138232 (2002-05-01), None
patent: 2003-107230 (2003-04-01), None
CASregistry information for Silwet L7608.
CAS registry information for Silwet L7602.
Patent Abstract of Japan Publication No. 2002-138232 Published May 14, 2002.
Patent Abstract of Japan Publication No. 2001-354889 Published Dec. 25, 2001.
Patent Abstract of Japan Publication No. H11-349871 Published Dec. 21, 1999.
Patent Abstract of Japan Publication No. H9-188842 Published Jul. 22, 1997.
Patent Abstract of Japan Publication No. H10-279871 Published Oct. 20, 1998.
Patent Abstract of Japan Publication No. 2001-272529 Published Oct. 5, 2001.
Patent Abstract of Japan Publication No. 2003-107230 Published Apr. 9, 2003.

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