Recording liquid and ink jet recording method

Details Recording liquid and ink jet recording method Recording liquid and ink jet recording method

2002-12-26

2008-08-19

Lipman, Bernard (Department: 1796)

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C523S161000, C524S555000, C524S566000, C524S590000, C106S031600

Reexamination Certificate

active

07414082

ABSTRACT:
The present invention relates to a recording liquid comprising at least:a pigment (a); anda polymer (b) having one or more types of bond selected from the group consisting of amide bond, urethane bond and urea bond in the molecule, having a weight-average molecular weight of 5000 to 300000 and having an acid value of free acid of not less than 55 mgKOH/g and less than 150 mgKOH/g,the surface tension of said recording liquid being 25 to 54 dyne/cm.

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