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:
Jun. 14, 2022
Filed:
Aug. 22, 2019
Seiko Epson Corporation, Tokyo, JP;
Keigo Ando, Matsumoto, JP;
Mami Tojino, Shiojiri, JP;
Abstract
An ink composition includes resin particles, one or more surfactants, one or more water-soluble organic solvents, and a glycol ether, where: the surfactants include a fluorosurfactant having a predetermined structure and an HLB value determined by Griffin's method of 11 or less; the water-soluble organic solvents include one or more selected from the group consisting of glycerin, ethylene glycol, diethylene glycol, polyethylene glycol having a weight-average molecular weight of 10,000 or less, 1,3-propanediol, 1,4-butanediol, and diglycerol; and the glycol ether has a predetermined structure and an HLB value determined by Griffin's method of 11 or less.