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:
Apr. 24, 2007
Filed:
Sep. 13, 2005
Shinichi Hakamada, Kawasaki, JP;
Yasuhiro Nito, Yokohama, JP;
Koromo Shirota, Kawasaki, JP;
Kenji Shinjo, Yokohama, JP;
Yutaka Kurabayashi, Tokyo, JP;
Tetsu Iwata, Yokohama, JP;
Shinichi Hakamada, Kawasaki, JP;
Yasuhiro Nito, Yokohama, JP;
Koromo Shirota, Kawasaki, JP;
Kenji Shinjo, Yokohama, JP;
Yutaka Kurabayashi, Tokyo, JP;
Tetsu Iwata, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
The present invention can sufficiently suppress curling phenomenon of a recorded product and facilitate handling of a printed product produced by using plain paper, in particular. The present invention provides a printing medium coating solution including water and a water-retentive, water-soluble organic compound, wherein the water-soluble organic compound includes only a water-soluble organic compound showing a difference of 36% or less between the water retention ability at a temperature of 23° C. and a humidity of 45% and the water retention ability at a temperature of 30° C. and a humidity of 80%; and the content of the water-soluble organic compound is 15 mass % or more with respect to the total amount of the printing medium coating solution. The present invention provides an ink-jet ink including a coloring material, water, and a water-retentive, water-soluble organic compound, wherein the water-soluble organic compound includes only a water-soluble organic compound showing a difference of 36% or less between the water retention ability at a temperature of 23° C. and a humidity of 45% and the water retention ability at a temperature of 30° C. and a humidity of 80%; and the content of the water-soluble organic compound is 15 mass % or more with respect to the total amount of the ink-jet ink.