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. 03, 2008
Filed:
Feb. 13, 2007
Aqueous ink, ink-jet recording method, ink cartridge, recording unit and ink jet recording apparatus
Hideki Takayama, Fujisawa, JP;
Shinichi Hakamada, Kawasaki, JP;
Masako Udagawa, Kawasaki, JP;
Kouhei Nakagawa, Yokohama, JP;
Hirofumi Ichinose, Tokyo, JP;
Nobuyuki Matsumoto, Tokyo, JP;
Hideki Takayama, Fujisawa, JP;
Shinichi Hakamada, Kawasaki, JP;
Masako Udagawa, Kawasaki, JP;
Kouhei Nakagawa, Yokohama, JP;
Hirofumi Ichinose, Tokyo, JP;
Nobuyuki Matsumoto, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An aqueous ink to be used in an ink jet recording containing a green pigment having a copper phthalocyanine skeleton, wherein a proportion of the Kα-line intensity of a chlorine atom to the Kα-line intensity of a bromine atom obtained by subjecting the green pigment to X-ray fluorescence analysis is 3.3 or more to 10.0 or less.