Pigmented inkjet ink

Details Pigmented inkjet ink Pigmented inkjet ink

2006-02-21

2006-02-21

Nutter, Nathan M. (Department: 1711)

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C524S385000, C524S438000, C524S714000, C524S717000, C524S718000, C524S720000, C524S722000, C524S847000

Reexamination Certificate

active

07001936

ABSTRACT:
The present invention provides pigmented inks comprising self-dispersing pigment and an amino-containing compound. The addition of an amino-containing compound to the self-dispersing pigment can improve the reliability and performance of the ink in an inkjet printhead. The present invention also provides methods for making a surface modified pigment comprising associating a self-dispersing pigment with an amino-containing compound having no more than one primary amino group or one secondary amino group.

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