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. 16, 2024
Filed:
Apr. 25, 2022
Applicant:
Kyocera Document Solutions Inc., Osaka, JP;
Inventor:
Noriaki Ozawa, Osaka, JP;
Assignee:
KYOCERA Document Solutions Inc., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/322 (2014.01); C09D 11/38 (2014.01); C09D 11/40 (2014.01); B41J 2/21 (2006.01); B41M 5/00 (2006.01); B41J 2/165 (2006.01); B41J 2/01 (2006.01);
U.S. Cl.
CPC ...
C09D 11/322 (2013.01); B41J 2/2107 (2013.01); B41M 5/0023 (2013.01); C09D 11/38 (2013.01); C09D 11/40 (2013.01); B41J 2/01 (2013.01); B41J 2/16579 (2013.01);
Abstract
An ink set includes an inkjet ink and a recording head filling liquid. The inkjet ink contains a pigment, water, and 1,2-alkanediol with a carbon number of at least 7 or 8. The recording head filling liquid contains a specific surfactant, water, and a specific alcohol compound with a carbon number of at least 10 and no greater than 12. The specific surfactant has an HLB value of no greater than 5.0. An amount of content of the specific alcohol compound in the recording head filling liquid is at least 0.1 ppm and no greater than 1.0 ppm.