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:
Jan. 28, 2014
Filed:
Aug. 22, 2011
Hideki Takayama, Fujisawa, JP;
Eiichi Nakata, Kawasaki, JP;
Yoshio Nakajima, Yokohama, JP;
Yuhei Shimizu, Kawasaki, JP;
Hideki Takayama, Fujisawa, JP;
Eiichi Nakata, Kawasaki, JP;
Yoshio Nakajima, Yokohama, JP;
Yuhei Shimizu, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An ink includes a plurality of pigments, a plurality of water-soluble polymers, a surfactant, and a water-soluble organic solvent. The surfactant includes a polyoxyethylene alkyl ether having an HLB value of 13.0 or more as a value determined by a Griffin method, the plurality of pigments include C.I. Pigment Yellow 74 and C.I. Pigment Yellow 128, the plurality of water-soluble polymers include an acrylic polymer and a urethane polymer, and the water-soluble organic solvent includes a compound represented by the following Formula (1): HO—(CHCHO)—H, wherein n is an integer of 1 to 4.