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:
Aug. 11, 2015
Filed:
Mar. 28, 2013
Seiko Epson Corporation, Tokyo, JP;
Tomoki Shinoda, Shiojiri, JP;
Akihito Sao, Matsumoto, JP;
Keiji Iida, Chikuhoku, JP;
Makoto Nagase, Shiojiri, JP;
Miho Nakamura, Shiojiri, JP;
Kenichiro Kubota, Shiojiri, JP;
Seiko Epson Corporation, , JP;
Abstract
Disclosed is ink composition used in a recording apparatus provided with a pressure regulation valve which performs opening and closing operations to adjust a pressure in a recording head and is covered with an elastic member. The ink composition includes a slip agent and a lactone system medium. The slip agent is preferably at least one kind selected from a group consisting of a silicon system compound, a hydrocarbon system compound, a fluorine system compound, an amide system compound, and acrylic compound. In addition, the content of the slip agent is preferably not more than 1% by mass.