Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Reexamination Certificate
2006-03-30
2009-10-06
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, C106S031280, C106S031600, C524S556000, C524S577000, C524S612000
Reexamination Certificate
active
07598301
ABSTRACT:
There is provided a water-based ink that can exhibit high gloss on gloss paper and has excellent fixation while maintaining ink reliability such as recovery from clogging, continuous printing stability, and ink storage stability. The water-based ink comprises at least yellow pigment-containing polymer particles A and pigment-free polymer particles B. The polymer particles A are formed of a water insoluble vinyl polymer produced by polymerizing a specific monomer composition A, and the polymer particles B are formed of a water insoluble vinyl polymer produced by polymerizing a specific monomer composition B and has a minimum film forming temperature of 20° C. or above. The polymer particles B have an average particle diameter of 30 to 60 nm.
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Computer-Generated English Translation and Patent Abstracts of Japan of JP 2004-2662 dated Jan. 8, 2004.
Computer-Generated English Translation and Patent Abstracts of Japan of JP 2001-329199 dated Nov. 11, 2001.
Hanmura Masahiro
Kanaya Miharu
Ladas and Parry LLP
Nguyen Vu
Seiko Epson Corporation
Wu David
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