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. 23, 2025
Filed:
Oct. 03, 2022
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Mikio Sanada, Kanagawa, JP;
Yoshiyuki Kaneko, Kanagawa, JP;
Yoshihisa Yamashita, Osaka, JP;
Junichi Sakai, Tokyo, JP;
Shoichi Takeda, Kanagawa, JP;
Hideki Yamakami, Kanagawa, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/322 (2014.01); B41J 2/01 (2006.01); C09D 11/037 (2014.01); C09D 11/102 (2014.01); C09D 11/107 (2014.01); C09D 11/38 (2014.01);
U.S. Cl.
CPC ...
C09D 11/322 (2013.01); B41J 2/01 (2013.01); C09D 11/037 (2013.01); C09D 11/102 (2013.01); C09D 11/107 (2013.01); C09D 11/38 (2013.01);
Abstract
An aqueous ink for ink jet recording includes a titanium oxide particle containing titanium oxide, at least part of the surface of the titanium oxide being covered with alumina and silica in specific proportions, in which the titanium oxide particle is dispersed at least by the action of the silica, and the ratio (η/η) of the viscosity (η) of the aqueous ink at a shear rate of 1 (1/s) to the viscosity (η) at a shear rate of 1,000 (1/s) is 1.10 times or less.