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:
Dec. 15, 2009
Filed:
Sep. 17, 2007
Applicants:
Naoaki Sakurai, Yokohama, JP;
Junsei Yamabe, Yokohama, JP;
Inventors:
Naoaki Sakurai, Yokohama, JP;
Junsei Yamabe, Yokohama, JP;
Assignee:
Kabuhsiki Kaisha Toshiba, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B08B 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A weakly alkali cleaning liquid suitable for use in the case of cleaning and removing inks adhered to a nozzle plate, in an ink jet printer using inks in which inorganic pigments and metal oxides are mixed into polymers, is provided. In the cleaning liquid, carbonates are added to the weakly alkali solution of pH 8 to pH 12.