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:
Jul. 16, 2013
Filed:
Jul. 27, 2011
Hironori Sato, Shiojiri, JP;
Akira Mizutani, Matsumoto, JP;
Shuichi Koganehira, Matsumoto, JP;
Naoki Okamoto, Aioi, JP;
Izumi Yasuda, Himeji, JP;
Hironori Sato, Shiojiri, JP;
Akira Mizutani, Matsumoto, JP;
Shuichi Koganehira, Matsumoto, JP;
Naoki Okamoto, Aioi, JP;
Izumi Yasuda, Himeji, JP;
Seiko Epson Corporation, , JP;
Abstract
This invention provides a magenta ink composition that, when recorded, is excellent in color development, graininess, and gloss, is less likely to cause clogging in an ink jet recording head, and is excellent in color reproduction in a high-chroma and high-lightness red region. The magenta ink composition has an L* value of not less than 60 and a b* value of not more than −17 when the a* value in CIE standard calculated from a visible absorption spectrum in a not more than 10000-fold diluted aqueous solution is 80.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile