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:
Mar. 22, 2011
Filed:
Aug. 08, 2007
Applicants:
Hiroyuki Matsumoto, Kita-ku, JP;
Yutaka Ishii, Kita-ku, JP;
Noriko Kajiura, Kita-ku, JP;
Makiko Kogo, Kita-ku, JP;
Inventors:
Hiroyuki Matsumoto, Kita-ku, JP;
Yutaka Ishii, Kita-ku, JP;
Noriko Kajiura, Kita-ku, JP;
Makiko Kogo, Kita-ku, JP;
Assignee:
Nippon Kayaku Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/02 (2006.01); B41J 2/01 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to an ammonium salt or a sodium salt of an anthrapyridone compound represented by the following the formula (1): and an ink composition containing these; said compound has a hue with high vividness and high brightness suitable for inkjet recording; recorded matters recorded with an ink composition containing said compound is excellent in fastnesses such as light fastness and ozone fastness, and also particularly water fastness.