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:
Apr. 22, 2008
Filed:
May. 30, 2003
Michiei Nakamura, Tokyo, JP;
Naoyuki Sakai, Tokyo, JP;
Hiroyuki Shimanaka, Tokyo, JP;
Dai Watanabe, Tokyo, JP;
Kenji Ogawa, Tokyo, JP;
Yoshiyuki Zama, Tokyo, JP;
Hisao Okamoto, Tokyo, JP;
Atsushi Nogami, Tokyo, JP;
Kazuo Kanou, Tokyo, JP;
Tohru Hosoda, Tokyo, JP;
Michiei Nakamura, Tokyo, JP;
Naoyuki Sakai, Tokyo, JP;
Hiroyuki Shimanaka, Tokyo, JP;
Dai Watanabe, Tokyo, JP;
Kenji Ogawa, Tokyo, JP;
Yoshiyuki Zama, Tokyo, JP;
Hisao Okamoto, Tokyo, JP;
Atsushi Nogami, Tokyo, JP;
Kazuo Kanou, Tokyo, JP;
Tohru Hosoda, Tokyo, JP;
Dainichiseika Color & Chemicals Mfg. Co., Ltd., Tokyo, JP;
Abstract
A water-based pigment ink contains a pigment, a hydrophilic dispersant, an aqueous medium, an alkali agent for solubilizing the hydrophilic dispersant in the aqueous medium, and a hydrophilic compound having at least one structural unit of 'hydrophobic molecular chain-hydrophilic molecular chain-hydrophobic molecular chain' in a structure thereof. The water-based pigment ink is suited especially as an ink for ink-jet printers.