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:
Jan. 27, 2015
Filed:
Nov. 29, 2012
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Keiji Iida, Higashichikuma-gun, JP;
Kenichiro Kubota, Shiojiri, JP;
Akihito Sao, Matsumoto, JP;
Makoto Nagase, Shiojiri, JP;
Maki Ito, Shiojiri, JP;
Assignee:
Seiko Epson Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/01 (2006.01); C11D 7/50 (2006.01); C11D 3/40 (2006.01); C11D 11/00 (2006.01); C09D 9/00 (2006.01);
U.S. Cl.
CPC ...
C11D 7/5022 (2013.01); C11D 3/40 (2013.01); C11D 11/0041 (2013.01); C09D 9/005 (2013.01);
Abstract
A non-aqueous cleaning liquid which is used for cleaning an ink flow path, through which a non-aqueous ink is circulated, in an ink jet recording apparatus including the ink flow path and with which a container composed of polyolefin is filled, includes a pigment and an organic solvent. In the non-aqueous cleaning liquid, a content of the pigment is 0.001% by mass to 0.5% by mass and an average particle size (d50) of the pigment is 10 nm to 500 nm.