US 7,517,074 B2
	Printing medium coating solution, ink-jet ink, image forming method, set of printing medium coating solution and ink-jet ink, and ink-jet recording apparatus
Shinichi Hakamada, Kawasaki (Japan); Yasuhiro Nito, Yokohama (Japan); Koromo Shirota, Kawasaki (Japan); Kenji Shinjo, Yokohama (Japan); Yutaka Kurabayashi, Higashi Murayama (Japan); and Tetsu Iwata, Yokohama (Japan)
Assigned to Canon Kabushiki Kaisha, Tokyo (Japan)
Filed on Feb. 26, 2007, as Appl. No. 11/678,718.
Application 11/678718 is a division of application No. 11/223946, filed on Sep. 13, 2005, granted, now 7,208,032.
Application 11/223946 is a continuation of application No. PCT/JP2005/005303, filed on Mar. 16, 2005.
Claims priority of application No. 2004-075368 (JP), filed on Mar. 16, 2004; application No. 2004-075370 (JP), filed on Mar. 16, 2004; and application No. 2005-068134 (JP), filed on Mar. 10, 2005.
Prior Publication US 2007/0134451 A1, Jun. 14, 2007
This patent is subject to a terminal disclaimer.
Int. Cl. G01D 11/00 (2006.01); C09D 11/02 (2006.01)

U.S. Cl. 347—100  [347/95; 106/31.27; 106/31.6]

21 Claims

1. A printing medium coating solution comprising water and a water-soluble organic compound, wherein the water-soluble organic compound comprises 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.