Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Shigemi Wakabayashi0
Masayuki Narita0
Date of Patent
January 11, 2011
0Patent Application Number
107406190
Date Filed
December 22, 2003
0Patent Primary Examiner
Patent abstract
An aqueous dispersion of polymer particles of a water-insoluble vinyl polymer containing a hydrophobic dye, wherein the water-insoluble vinyl polymer is prepared by polymerizing a monomer composition comprising an alicyclic (meth)acrylate, a salt-forming group-containing monomer, and a monomer copolymerizable with the alicyclic (meth)acrylate and the salt-forming group-containing monomer; and an ink comprising the aqueous dispersion. The aqueous dispersion is excellent in, for instance, storage stability, and the ink is excellent in, for instance, printing reliability, solvent resistance, water resistance and character quality.
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