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:
Jun. 05, 2007
Filed:
Jan. 31, 2006
Tomohiro Yamashita, Kawasaki, JP;
Shin-ichi Sato, Kawasaki, JP;
Jun Yoshizawa, Tokyo, JP;
Kunihiko Nakamura, Gotenba, JP;
Tomohiro Yamashita, Kawasaki, JP;
Shin-ichi Sato, Kawasaki, JP;
Jun Yoshizawa, Tokyo, JP;
Kunihiko Nakamura, Gotenba, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
To provide an ink jet yellow ink having a favorable color tone and capable of providing an image excellent in humidity resistance. The ink jet yellow ink of the present invention is an ink jet yellow ink to be used in combination with an ink jet light-color ink comprising at least a coloring material and a water-soluble organic solvent, wherein the coloring material of the ink jet yellow ink is a compound represented by the following General Formula (I) or a salt thereof, and wherein the ink jet light-color ink satisfies a specific condition; wherein M's each independently represent a hydrogen atom, an alkali metal, an alkali earth metal, a cation of organic amine or an ammonium ion, and n's each independently represent 1 or 2; and≦2.8+10.  Expression (1)