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:
Dec. 06, 2022
Canon Kabushiki Kaisha, Tokyo, JP;
Tsuyoshi Furuse, Kanagawa, JP;
Katsuhiro Hayashi, Kanagawa, JP;
Keiichi Ito, Kanagawa, JP;
Takeshi Ota, Kanagawa, JP;
Kuniaki Fujimoto, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
Provided is an aqueous ink for ink jet containing a pigment and a resin particle that disperses the pigment. The cumulative 50% particle size of the resin particle in a volume-based particle size distribution is 10 nm or less. The resin particle has a crosslinking structure. The ratio of the cumulative 50% particle size of the pigment in a volume-based particle size distribution to the cumulative 50% particle size of the resin particle in a volume-based particle size distribution is 3.0 times or more to 8.0 times or less. Also, provided are an ink cartridge and an ink jet recording method using this aqueous ink.