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. 22, 2026
Filed:
Oct. 03, 2022
Canon Kabushiki Kaisha, Tokyo, JP;
Yoshihisa Yamashita, Osaka, JP;
Junichi Sakai, Tokyo, JP;
Hideki Yamakami, Kanagawa, JP;
Shoichi Takeda, Kanagawa, JP;
Mikio Sanada, Kanagawa, JP;
Yoshiyuki Kaneko, Kanagawa, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An aqueous ink for ink jet recording contains 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, and a compound serving as a dispersant for the titanium oxide particle, the compound being represented by the following general formula (1): where in general formula (1), R, Rand Rare each independently a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, each Ris independently an alkylene group having 2 to 4 carbon atoms, X is a single bond or an alkylene group having 1 to 6 carbon atoms, n is 6 to 24, a is 1 to 3, b is 0 to 2 and a+b=3.