Ink set for ink-jet recording

Details Ink set for ink-jet recording Ink set for ink-jet recording

2008-03-20

2011-11-29

Lorengo, Jerry A (Department: 1731)

Compositions: coating or plastic

Coating or plastic compositions

Marking

C106S031600

Reexamination Certificate

active

08066808

ABSTRACT:
An ink set for ink-jet recording includes a plurality of color inks, wherein the following formulae (a) to (d) are satisfied.in-line-formulae description="In-line Formulae" end="lead"?Light OD reduction rate (X%)=[(A−B)/A]×100  (a)in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?Ozone OD reduction rate (Y%)=[(C−D)/C]×100  (b)in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?Total OD reduction rate (Z%)=X+Y<about 40%  (c)in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?Zmax−Zmin<about 15%  (d)in-line-formulae description="In-line Formulae" end="tail"?“A” and “B” are OD values before and after a light fastness test for a first single-color patch, respectively, and “c” and “D” are OD values before and after an ozone resistance test for a second single-color patch, respectively. “Zmax” and “Zmin” are a maximum and a minimum of all the total OD reduction rates (Z), respectively.

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