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, 2025
Filed:
Nov. 09, 2020
Canon Kabushiki Kaisha, Tokyo, JP;
Kuniaki Fujimoto, Fukushima, JP;
Yasuaki Murai, Tokyo, JP;
Saki Tasaki, Kanagawa, JP;
Hideki Yamakami, Kanagawa, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
Provided is an aqueous ink capable of recording an image having a good hue as a magenta ink. The aqueous ink is an aqueous ink for ink jet including a first coloring material and a second coloring material. The first coloring material is a compound represented by general formula (1), and the second coloring material is a compound represented by general formula (2). A proportion (% by mass) of a content of the second coloring material to a total content of the first coloring material and the second coloring material in the aqueous ink is 0.60% by mass or more.