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. 13, 2016
Filed:
Feb. 27, 2015
Applicants:
Keita Katoh, Shizuoka, JP;
Mitsuru Naruse, Shizuoka, JP;
Masayasu Nonogaki, Shizuoka, JP;
Akihiko Matsuyama, Shizuoka, JP;
Kazukiyo Nagai, Shizuoka, JP;
Yuusuke Koizuka, Shizuoka, JP;
Inventors:
Keita Katoh, Shizuoka, JP;
Mitsuru Naruse, Shizuoka, JP;
Masayasu Nonogaki, Shizuoka, JP;
Akihiko Matsuyama, Shizuoka, JP;
Kazukiyo Nagai, Shizuoka, JP;
Yuusuke Koizuka, Shizuoka, JP;
Assignee:
RICOH COMPANY, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/21 (2006.01); C09D 11/38 (2014.01); B41J 2/175 (2006.01); C09D 11/322 (2014.01); B41J 29/02 (2006.01);
U.S. Cl.
CPC ...
C09D 11/38 (2013.01); B41J 2/175 (2013.01); B41J 2/17523 (2013.01); B41J 2/17553 (2013.01); B41J 2/2107 (2013.01); B41J 29/02 (2013.01); C09D 11/322 (2013.01);
Abstract
An ink for inkjet recording contains water, an organic solvent, a pigment, and a compound represented by the following Chemical formula 1: In Chemical formula 1, M's each, independently represent protons, cations of alkali metals, ammonium ions, or organic ammonium ions.