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. 20, 2015
Filed:
Sep. 10, 2014
Applicant:
Ricoh Company, Ltd., Tokyo, JP;
Inventors:
Naohiro Toda, Kanagawa, JP;
Tomohiro Nakagawa, Kanagawa, JP;
Hidefumi Nagashima, Kanagawa, JP;
Juichi Furukawa, Kanagawa, JP;
Ichiroh Fujii, Kanagawa, JP;
Kiyofumi Nagai, Tokyo, JP;
Assignee:
RICOH COMPANY, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D 11/00 (2006.01); C09D 175/04 (2006.01); C09D 11/36 (2014.01); C08K 5/06 (2006.01); C08K 5/053 (2006.01); C08K 5/09 (2006.01);
U.S. Cl.
CPC ...
C09D 175/04 (2013.01); C08K 5/053 (2013.01); C08K 5/06 (2013.01); C08K 5/09 (2013.01); C09D 11/36 (2013.01);
Abstract
Aqueous ink for inkjet contains water; a hydrosoluble organic solvent; a pigment; and a resin, wherein the hydrosoluble organic solvent contains 2,3-butane diol having meso-2,3-butane diol in an amount of 50% by weight or more in 2,3-butane diol and 2,3-butane diol accounts for 5% by weight to 40% by weight of the entire of the aqueous ink.