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:
Dec. 12, 2006
Filed:
Aug. 12, 2004
Michiko Aoyama, Nagoya, JP;
Masashi Tsuda, Aichi-ken, JP;
Hideto Yamazaki, Nagoya, JP;
Hiromitsu Sago, Tokai, JP;
Mayuko Umemura, Chiryu, JP;
Shunichi Higashiyama, Yotsukaichi, JP;
Michiko Aoyama, Nagoya, JP;
Masashi Tsuda, Aichi-ken, JP;
Hideto Yamazaki, Nagoya, JP;
Hiromitsu Sago, Tokai, JP;
Mayuko Umemura, Chiryu, JP;
Shunichi Higashiyama, Yotsukaichi, JP;
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
Abstract
A fluorescent water base ink for ink-jet recording to be used for an ink-jet printer contains water, a pigment, a compound having primary or secondary amide group, and a fluorescent dye represented by the following formula (1): wherein Rrepresents OH or N(R)R, Rrepresents hydrogen atom or halogen atom, and each of Rand Rrepresents hydrogen atom or alkyl group. A sufficient OD value and a fluorescence value are obtained while securing the vivid color development and the excellent water resistance principally in accordance with the interaction of the fluorescent dye and the compound having the amide group.