Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Reexamination Certificate
2006-03-22
2010-02-02
Wu, David (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
C523S161000, C524S556000, C524S560000, C524S561000, C106S031650, C106S031900
Reexamination Certificate
active
07655708
ABSTRACT:
An ink jet ink composition comprising an aqueous media and a pigment dispersion comprising a specific carbon black pigment and a polymeric dispersant wherein said polymeric dispersant is a copolymer comprising at least a hydrophobic methacrylate or acrylate monomer containing an aliphatic chain having greater than or equal to 12 carbons; and a hydrophilic methacrylic or acrylic acid monomer; wherein said copolymer comprises at least 10% by weight of the methacrylate or acrylate monomer and at least 5% by weight of the methacrylic or acrylic acid monomer; and wherein the copolymer comprises, in total, 20 to 95 weight % of hydrophobic monomer.
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T. Lüthge, G. Tauber, R. McIntosh, W. Kalbitz, and S. Lüdtke, Proc. NIP 20: Int. Conf. on Digital Printing Tech., 2004, IS&T, Springfield, VA, pp. 753-757.
House Gary L.
Wyand Anne T.
Anderson Andrew J.
Eastman Kodak Company
Kluegel Arthur E.
Meeks Roberts Sarah
Nguyen Vu
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