The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 13, 2010
Filed:
May. 27, 2008
Toru Ushirogouchi, Yokohama, JP;
Ryozo Akiyama, Mishima, JP;
Kazuhiko Ohtsu, Mishima, JP;
Masashi Hiroki, Yokohama, JP;
Mitsuru Ishibashi, Yokohama, JP;
Toru Ushirogouchi, Yokohama, JP;
Ryozo Akiyama, Mishima, JP;
Kazuhiko Ohtsu, Mishima, JP;
Masashi Hiroki, Yokohama, JP;
Mitsuru Ishibashi, Yokohama, JP;
Toshiba Tec Kabushiki Kaisha, , JP;
Abstract
There is provided a pigment dispersion comprising at least one resin-coated pigment comprising a resin and a pigment, and having an average particle diameter of 250 nm or less, and a dispersion medium containing as a major component a cation polymeric compound having a viscosity of 30 mPa·s or less at a temperature of 25° C. and a boiling point of 150° C. or more at 1 atm. The pigment is incorporated in the pigment dispersion at a ratio ranging from 3 to 41% by weight based on a total weight of the dispersion medium, and the resin is incorporated in the resin-coated pigment at a ratio ranging from 5 to 37% by weight based on the weight of the pigment.