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. 22, 2008
Filed:
Mar. 22, 2005
Naotaka Wachi, Shizuoka, JP;
Takashi Ozawa, Shizuoka, JP;
Toshiki Fujiwara, Kanagawa, JP;
Keiichi Tateishi, Kanagawa, JP;
Naotaka Wachi, Shizuoka, JP;
Takashi Ozawa, Shizuoka, JP;
Toshiki Fujiwara, Kanagawa, JP;
Keiichi Tateishi, Kanagawa, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
To provide an ink stock solution excellent in handleability, a method for producing the same, an ink composition using the ink stock solution, particularly suitable for an ink for inkjet recording, and a method for producing the same, the ink stock solution includes a dye and a viscosity reducing agent, wherein the ink stock solution has a solid concentration of the dye of 7% or more by weight; the method for producing the ink stock solution includes adding a dye to a water and dissolving the dye in the water, and then, adding a viscosity reducing agent to control the viscosity; the method for producing the ink stock solution includes dissolving a dye, a water and a viscosity reducing agent all together; and the ink composition includes the ink stock solution and has a viscosity of 1 to 30 mPa·s.