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:
Mar. 24, 2009
Filed:
Jun. 07, 2005
Yoshiki Akatani, Kita-ku, JP;
Katsunori Fujii, Kita-ku, JP;
Yuji Suzuki, Kita-ku, JP;
Mariko Umeda, Kita-ku, JP;
Tadahiko Tabe, Kita-ku, JP;
Yoshiyuki Dejima, Kita-ku, JP;
Yoshiki Akatani, Kita-ku, JP;
Katsunori Fujii, Kita-ku, JP;
Yuji Suzuki, Kita-ku, JP;
Mariko Umeda, Kita-ku, JP;
Tadahiko Tabe, Kita-ku, JP;
Yoshiyuki Dejima, Kita-ku, JP;
Nippon Kayaku Kabushiki Kaisha, Tokyo, JP;
Abstract
The present invention relates to an aqueous dispersion of a water-insoluble coloring material having superior shelf life stability which is suitable to an ink for ink-jetting, an ink composition superior in shelf life stability and discharge property, a method for inkjet recording using said ink composition, and recorded article obtained thereby. Said aqueous dispersion is characterized by comprising a water-insoluble coloring material, water, an anionic dispersing agent, and an alkylene oxide adduct of phytosterols and/or an alkylene oxide adduct of cholestanols, and said ink composition is characterized by further comprising an organic solvent in addition to the above components.