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:
Feb. 04, 2003
Filed:
Jun. 01, 2000
Applicant:
Inventors:
Ryuji Katsuragi, Tokyo, JP;
Makoto Shioya, Tokyo, JP;
Hideto Yokoi, Yokohama, JP;
Masataka Eida, Kawasaki, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D 9/00 ; C11D 9/02 ; C11D 9/04 ;
U.S. Cl.
CPC ...
C11D 9/00 ; C11D 9/02 ; C11D 9/04 ;
Abstract
A liquid composition for cleaning an ink-jet recording head containing at least one kind of oxidizing detergent in an amount effective in cleaning an ink-jet recording head. The liquid composition can improve the life and ink ejecting properties of an ink-jet recording head.