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. 30, 2016
Filed:
Jun. 12, 2014
Nippon Kayaku Kabushiki Kaisha, Tokyo, JP;
NIPPON KAYAKU KABUSHIKI KAISHA, Tokyo, JP;
Abstract
An aqueous black ink composition that can form black recorded images having excellent light resistance and water resistance, in particular, being hardly discolored by light. The aqueous ink composition contains, as colorants, at least both a compound represented by Formula (1) or its salt or a mixture thereof and a colorant having a maximum absorption wavelength λmax in a range of 560 to 680 nm and having a phthalocyanine skeleton. In Formula (1), R, R, R, Rand Reach independently represent, for example, a hydrogen atom, a carboxy group, a sulfo group, or a nitro group; Rand Reach independently represent, for example, a hydrogen atom or a sulfo group; and n represents 0 or 1.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile