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:
May. 27, 2025
Filed:
Sep. 19, 2022
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Misaki Sugie, Kanagawa, JP;
Yuki Nishino, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/324 (2014.01); B41J 2/21 (2006.01); C09D 11/38 (2014.01);
U.S. Cl.
CPC ...
C09D 11/324 (2013.01); C09D 11/38 (2013.01); B41J 2/2107 (2013.01);
Abstract
Provided is an aqueous ink for ink jet that can record an image excellent in a color developability by suppressing a bronze phenomenon derived from a carbon black. The aqueous ink for ink jet contains: a self-dispersible carbon black; and a resin particle formed of an acrylic resin. The carbon black has a DBP oil absorption of 120 mL/100 g or more, the acrylic resin particle has a glass transition temperature of 30° C. or more, and a mass ratio of a content (% by mass) of the resin particle to a content (% by mass) of the carbon black is 0.10 times or more to 2.0 times or less.