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:
May. 27, 2008
Filed:
Sep. 14, 2005
Yoichi Takada, Yokohama, JP;
Junichi Sakai, Tokyo, JP;
Fumiaki Fujioka, Tokyo, JP;
Yasuhiro Nito, Yokohama, JP;
Masashi Tsujimura, Kawasaki, JP;
Takashi Imai, Yokohama, JP;
Shinichi Hakamada, Kawasaki, JP;
Sadayuki Sugama, Tsukuba, JP;
Shinya Mishina, Kawasaki, JP;
Yoichi Takada, Yokohama, JP;
Junichi Sakai, Tokyo, JP;
Fumiaki Fujioka, Tokyo, JP;
Yasuhiro Nito, Yokohama, JP;
Masashi Tsujimura, Kawasaki, JP;
Takashi Imai, Yokohama, JP;
Shinichi Hakamada, Kawasaki, JP;
Sadayuki Sugama, Tsukuba, JP;
Shinya Mishina, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An aqueous ink, by which stable ink-jet recording can be conducted irrespective of printing environment, a substantially even image having abrasion resistance can be formed, no image soiling is caused even upon double-side printing, and a high-quality image improved in unclearness at a contour portion of the image and free from occurrence of color bleed can be provided, is provided. The aqueous ink is an aqueous ink used in a system that a reaction liquid containing at least a polyvalent metal and an aqueous ink containing at least a pigment dispersion, in which a pigment is dispersed with an anionic polymer dispersant, are used to form an image, wherein the aqueous ink satisfies specific condition.