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. 09, 2023
Filed:
May. 12, 2020
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Yusuke Mizutaki, Shiojiri, JP;
Kiyomi Kumamoto, Shiojiri, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/326 (2014.01); C09D 11/328 (2014.01); C08L 33/08 (2006.01); C08L 71/02 (2006.01); C08K 9/00 (2006.01); B41J 2/14 (2006.01); B41J 2/175 (2006.01); C08K 3/04 (2006.01); B41J 2/21 (2006.01); C09D 11/40 (2014.01);
U.S. Cl.
CPC ...
C09D 11/326 (2013.01); B41J 2/1433 (2013.01); B41J 2/17523 (2013.01); B41J 2/2107 (2013.01); C08K 3/04 (2013.01); C08K 9/00 (2013.01); C08L 33/08 (2013.01); C08L 71/02 (2013.01); C09D 11/328 (2013.01); C09D 11/40 (2013.01); C08K 2201/006 (2013.01);
Abstract
An ink set according to an aspect of the present disclosure includes a first ink and a second ink, the ink set described above is used for an ink jet recording apparatus which includes a recording head having at least one first ejection port which ejects the first ink and at least one second ejection port which ejects the second ink; and a cap which collectively caps the first ejection port and the second ejection port, the first ink contains water and a self-dispersible pigment, and the second ink contains water, a water-soluble dye, and a pigment dispersant.