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:
Nov. 25, 2003
Filed:
Sep. 29, 2000
Applicant:
Inventors:
Hisashi Teraoka, Kanagawa-Ken, JP;
Yoichi Takada, Kanagawa-Ken, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/01 ;
U.S. Cl.
CPC ...
B41J 2/01 ;
Abstract
An ink set for recording a color image on a recording medium by using ink of two or more colors including at least a black ink and a color ink, wherein the black ink includes a pigment having a cationic group or a pigment and a pigment dispersant having a cationic group, and a resin encapsulating a coloring material, and the color ink includes an anionic dye and an anionic substance, which can form a print excellent in the rub-off resistance and line marker resistance without bleeding between black and color images.