Inkjet inks with increased optical density

Details Inkjet inks with increased optical density Inkjet inks with increased optical density

2005-05-31

2005-05-31

Bell, Mark L. (Department: 1755)

Compositions: coating or plastic

Coating or plastic compositions

Marking

C106S031860

Reexamination Certificate

active

06899754

ABSTRACT:
This invention pertains to aqueous inkjet inks containing self-dispersing pigments and effective amounts of one or more multivalent cations, said inks having increased optical density when printed.

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International Search Report (PCT/US 03/17257) dated Mar. 6, 2003.

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