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:
Oct. 22, 2019
Filed:
Jan. 19, 2017
Seiko Epson Corporation, Tokyo, JP;
Kenichiro Kubota, Matsumoto, JP;
Naoki Koike, Matsumoto, JP;
Jun Ito, Shimosuwa, JP;
Shugo Hattori, Shiojiri, JP;
Seiko Epson Corporation, , JP;
Abstract
A non-aqueous ink jet composition includes a pigment at least containing a diketopyrrolopyrrole red pigment, and an organic solvent at least containing a glycol diether represented by Formula (1): RO—(RO)—Rand a glycol monoether represented by Formula (2): OH—(RO)—R, wherein, in Formula (1), Rand Reach independently represent an alkyl group having 1 to 7 carbon atoms, Rrepresents an alkylene group having 1 to 3 carbon atoms, and m represents an integer of 1 to 7; and in Formula (2), Rrepresents an alkyl group having 1 to 7 carbon atoms, Rrepresents an alkylene group having 1 to 3 carbon atoms, and n represents an integer of 1 to 7.