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. 03, 2009
Filed:
Apr. 28, 2008
Applicants:
Tomohiro Yamashita, Kawasaki, JP;
Jun Yoshizawa, Tokyo, JP;
Daiji Okamura, Yokohama, JP;
Inventors:
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/00 (2006.01); C09D 11/02 (2006.01); B41J 2/01 (2006.01);
U.S. Cl.
CPC ...
Abstract
An ink having a cyan color is provided which can form images excellent in ozone resistance in such a high level as to exceed anticipation and having a preferable color tone. The ink includes at least two coloring materials of a first coloring material and a second coloring material, wherein the first coloring material is a compound having a copper phthalocyanine skeleton with a specific structure and the second coloring material is a compound having a copper phthalocyanine skeleton with a specific structure that is different from the first coloring material.