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:
Nov. 19, 2019
Filed:
Mar. 08, 2018
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Assignee:
Seiko Epson Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/21 (2006.01); B41J 2/01 (2006.01); C09D 11/30 (2014.01); C09D 11/102 (2014.01); C09D 11/033 (2014.01); C09D 11/322 (2014.01); C09D 11/38 (2014.01);
U.S. Cl.
CPC ...
B41J 2/2107 (2013.01); B41J 2/01 (2013.01); C09D 11/033 (2013.01); C09D 11/102 (2013.01); C09D 11/30 (2013.01); C09D 11/322 (2013.01); C09D 11/38 (2013.01);
Abstract
An aqueous ink composition contains: an alkanediol having a normal boiling point of 240° C. or higher; polyoxyethylene mono(2-ethylhexyl) ether having a carbon number of 14 or more and 22 or less; and water, in which a content of the polyoxyethylene mono(2-ethylhexyl) ether having a carbon number of 14 or more and 22 or less is 0.4% by mass or lower based on the total amount of the aqueous ink composition.