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:
Jul. 12, 2022
Filed:
Jun. 24, 2020
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Yohei Hamade, Tokyo, JP;
Satoshi Tsutsui, Yokohama, JP;
Isamu Horiuchi, Yokohama, JP;
Kazunari Ishizuka, Suntou-gun, JP;
Miho Ishii, Kawasaki, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 105/04 (2006.01); B41J 2/16 (2006.01); C09D 7/65 (2018.01);
U.S. Cl.
CPC ...
C09D 105/04 (2013.01); B41J 2/162 (2013.01); C09D 7/65 (2018.01); B41J 2202/22 (2013.01);
Abstract
A hydrophilic coating material including an alginic acid compound and a resin, in which the alginic acid compound is granulated and dispersed in the resin. In a coating film using the material, it is preferred that the granulated alginic acid compound is exposed on the surface. Such a hydrophilic coating film is suitable as a hydrophilization treatment film of a nozzle face surface of an inkjet recording head.