Waterless waterwashable offset printing ink and method of...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

Reexamination Certificate

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C523S161000

Reexamination Certificate

active

10498192

ABSTRACT:
A water washable waterless offset printing ink comprised of a binding agent having (i) a solid resin in an ester solvent, and (ii) an alkyd resin and/or an oil of one or more aliphatic carboxylic acid esters; a colorant; and a neutralizing agent.

REFERENCES:
patent: 4304601 (1981-12-01), Sharp
patent: 5178672 (1993-01-01), Miller
patent: 5382282 (1995-01-01), Pennaz
patent: 5549741 (1996-08-01), Pennaz et al.
patent: 6140392 (2000-10-01), Kingman et al.
patent: WO 96/34923 (1996-11-01), None

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