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:
Feb. 07, 2012
Filed:
Mar. 25, 2009
Chie Saito, Matsumoto, JP;
Miharu Kanaya, Azumino, JP;
Chie Saito, Matsumoto, JP;
Miharu Kanaya, Azumino, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
An ink set for ink jet recording that realizes a satisfactory image in addition to high color-developing ability, high ejection stability, and high recover ability from clogging is provided. An ink set contains two or more ink compositions at least including a black ink composition and a color ink composition. The black ink composition includes a self-dispersing pigment having a hydrophilic group on the surface thereof and the color ink composition includes a self-dispersing pigment having a hydrophilic group on the surface thereof with a phenyl group interposed therebetween. The ink set is used for an ink jet recording method.