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:
Oct. 15, 2013
Filed:
Aug. 22, 2011
Hisashi Habashi, Isehara, JP;
Michihiko Namba, Yokohama, JP;
Mariko Kojima, Komae, JP;
Akihiko Gotoh, Atsugi, JP;
Tamotsu Aruga, Isehara, JP;
Kiyofumi Nagai, Machida, JP;
Hisashi Habashi, Isehara, JP;
Michihiko Namba, Yokohama, JP;
Mariko Kojima, Komae, JP;
Akihiko Gotoh, Atsugi, JP;
Tamotsu Aruga, Isehara, JP;
Kiyofumi Nagai, Machida, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
There is provided an ink for recording, which contains: a coloring agent; a water-dispersible resin; a wetting agent; a surfactant; and water, wherein a total solid content of the coloring agent and the water-dispersible resin is 10% by mass to 30% with respect to a total mass of the ink, a ratio B/C is 0.1 to 1.6 where B is a solid content of the coloring agent in the ink, and C is a solid content of the water-dispersible resin in the ink, a viscosity of the ink is 5 mPa·s to 20 mPa·s at 25° C., and a surface tension of the ink is 35 mN/m or less.