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:
Jan. 02, 2024
Filed:
Dec. 16, 2021
Applicant:
Kyocera Document Solutions Inc., Osaka, JP;
Inventors:
Assignee:
KYOCERA Document Solutions Inc., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/54 (2014.01); B41M 5/00 (2006.01); C09D 11/107 (2014.01); C09D 11/322 (2014.01); C09D 11/38 (2014.01); C09D 11/40 (2014.01); B41J 2/21 (2006.01); B41J 2/01 (2006.01);
U.S. Cl.
CPC ...
C09D 11/54 (2013.01); B41J 2/01 (2013.01); B41J 2/2107 (2013.01); B41M 5/0023 (2013.01); C09D 11/107 (2013.01); C09D 11/322 (2013.01); C09D 11/38 (2013.01); C09D 11/40 (2013.01); B41J 2/211 (2013.01); B41J 2/2114 (2013.01);
Abstract
An ink set includes an inkjet ink and a recording head filling liquid. The inkjet ink includes a pigment, a pigment coating resin, a first alkali metal ion, and water. The recording head filling liquid includes polyethylene glycol, a second alkali metal ion, a surfactant, and water. The polyethylene glycol has a mass average molecular weight of at least 180 and no greater than 800. A content ratio of the surfactant in the recording head filling liquid is greater than 0.00% by mass and no greater than 0.10% by mass. The first and second alkali metal ions each contain at least one of Li, Na, and K.