Inkjet recording ink and inkjet recording method

Details Inkjet recording ink and inkjet recording method Inkjet recording ink and inkjet recording method

2007-07-31

2007-07-31

Shah, Manish S. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

C347S095000, C106S031270

Reexamination Certificate

active

10504681

ABSTRACT:
An inkjet recording ink comprising at least one magenta dye or cyan dye dissolved and/or dispersed in an aqueous medium, wherein a wavelength (λmax) at the maximum reflection density of the ink is in a specific wavelength range (λex) and a reflection density at the specific wavelength (λer) longer than the λMax is not more than x % of the maximum reflection density, the λex is from 530 to 580 nm, λer is 600 nm and x is 50 in case of the magenta dye ink, and the λex is from 580 to 630 nm, λer is 670 nm and x is 90 in case of the cyan dye ink.

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