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. 10, 2013
Filed:
Apr. 25, 2008
Applicants:
Eriko Seki, Tokyo, JP;
Seiji Aida, Tokyo, JP;
Yasuo Yoshihiro, Tokyo, JP;
Kaori Nakano, Tokyo, JP;
Ken Yamasaki, Tokyo, JP;
Inventors:
Eriko Seki, Tokyo, JP;
Seiji Aida, Tokyo, JP;
Yasuo Yoshihiro, Tokyo, JP;
Kaori Nakano, Tokyo, JP;
Ken Yamasaki, Tokyo, JP;
Assignee:
Toyo Ink Mfg. Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C11D 3/20 (2006.01); C11D 3/43 (2006.01); C11D 3/44 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is a maintenance liquid for inkjet printers, which comprises at least one of glycol ethers and glycol esters represented by the following general formulas (1) to (3), and 45 to 10 mg/L of dissolved oxygen:RCO(OR)OR  General formula (1)RCO(OR)OCOR  General formula (2)R(OR)OR  General formula (3)