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:
Sep. 03, 2013
Filed:
Jun. 15, 2009
Shigeaki Tanaka, Shizuoka, JP;
Keiichi Tateishi, Shizuoka, JP;
Takashi Ozawa, Kanagawa, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
An ink composition is provided which does not undergo decomposition or fading of colorants even when stored under high-temperature environment. An ink composition which contains a compound represented by the following general formula (1) and a humectant, wherein the content of the compound represented by the general formula (1) is from 0.1% by mass to less than 7.0% by mass, the content of the humectant having 3 or more hydroxyl groups is 8.0% by mass or less, and the molar ratio of the humectant having 3 or more hydroxyl groups/the compound represented by the general formula (1) being less than 15.0; wherein Arand Areach independently represents an aromatic hydrocarbon ring group, a non-aromatic hydrocarbon ring group, an aromatic heterocyclic group, or a non-aromatic heterocyclic group, Aand Aeach independently represents a hydrogen atom or a substituent, Y represents —OM or —NRR, M represents a hydrogen atom or a metal ion, and Rand Reach independently represents a hydrogen atom, an alkyl group, an alkenyl group, an alkynyl group, an aralkyl group, an aryl group, or a heterocyclic group.