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:
Jan. 08, 2008
Filed:
Feb. 24, 2006
Toshiki Taguchi, Shizuoka, JP;
Yoshiharu Yabuki, Kanagawa, JP;
Toru Harada, Kanagawa, JP;
Naotaka Wachi, Shizuoka, JP;
Toshiki Taguchi, Shizuoka, JP;
Yoshiharu Yabuki, Kanagawa, JP;
Toru Harada, Kanagawa, JP;
Naotaka Wachi, Shizuoka, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
The ink set of the present invention provides a high ejection stability, gives an image having an excellent hue, light-resistance and waterproofness and improves the image preservability under severe conditions in ink jet recording, in which the ink set comprising a plurality of inks different in hues, wherein the plurality of inks includes a yellow ink containing a coloring agent that is a dye having: a λmax of from 390 nm to 470 nm; an I(λmax+70 nm)/I(λmax) ratio of not greater than 0.4, in which I(λmax) is the absorbance at λmax and I(λmax+70 nm) is the absorbance at (λmax+70 nm); and a forced fading rate constant of not greater than 5.0×10[hour], an ink cartridge having the ink set received therein, an ink jet printer comprising the ink cartridge mounted therein and an image recording method.