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. 04, 2002
Filed:
Jul. 12, 1995
Applicant:
Inventors:
Akio Kashiwazaki, Yokohama, JP;
Yuko Suga, Tokyo, JP;
Hiroyuki Ishinaga, Tokyo, JP;
Hiromichi Noguchi, Hachioji, JP;
Yutaka Kurabayashi, Tokorozawa, JP;
Aya Takaide, Yokohama, JP;
Kiyomitsu Kudo, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09D 1/110 ; C09D 1/102 ;
U.S. Cl.
CPC ...
C09D 1/110 ; C09D 1/102 ;
Abstract
Disclosed herein is a set of water-based pigment inks for ink-jet, comprising a black pigment ink and other pigment inks different in hue from the black pigment ink, which the pigment inks each comprise water, a water-soluble organic solvent and an aqueous pigment dispersion, wherein respective polymeric dispersants used in the black pigment ink and the other pigment inks different in hue from the black pigment ink are different in polarity from each other.