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:
Sep. 28, 2010
Filed:
Feb. 21, 2006
Mitsuru Ishibashi, Yokohama, JP;
Toru Ushirogouchi, Yokohama, JP;
Hiroshi Kiyomoto, Hiratsuka, JP;
Ryozo Akiyama, Mishima, JP;
Kazuhiko Ohtsu, Mishima, JP;
Yukiko Kawakami, Mishima, JP;
Masashi Hiroki, Yokohama, JP;
Mitsuru Ishibashi, Yokohama, JP;
Toru Ushirogouchi, Yokohama, JP;
Hiroshi Kiyomoto, Hiratsuka, JP;
Ryozo Akiyama, Mishima, JP;
Kazuhiko Ohtsu, Mishima, JP;
Yukiko Kawakami, Mishima, JP;
Masashi Hiroki, Yokohama, JP;
Toshiba Tec Kabushiki Kaisha, , JP;
Abstract
An inkjet ink is provided, which includes a pigment dispersion containing an organic dispersant, a black pigment having an average particle diameter of not more than 200 nm, and a resinous dispersing agent, the organic dispersant being formed of at least one polymerizable compound, and the black pigment being included therein at an amount ranging from 2 to 30% by weight based on the organic dispersant, and an ionic compound. A ζ-potential of the black pigment to the at least one polymerizable compound of the organic dispersant is confined within the range of −10 mV to +100 mV.