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:
Feb. 24, 2015
Filed:
Oct. 10, 2012
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Masatake Tanaka, Yokohama, JP;
Masashi Hirose, Machida, JP;
Takayuki Toyoda, Yokohama, JP;
Waka Hasegawa, Tokyo, JP;
Yasuaki Murai, Kawasaki, JP;
Masashi Kawamura, Yokohama, JP;
Yuki Hasegawa, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/17 (2014.01);
U.S. Cl.
CPC ...
Abstract
An object of the present invention is to provide a pigment dispersant in which dispersibility of an azo pigment in a water-insoluble solvent is improved, and to provide an azo pigment composition in which the azo pigment has high dispersibility in a water-insoluble solvent. The present invention provides a compound used as a pigment dispersant and having a structure in which a specific bisazo skeleton unit bonds to a specific polymer resin unit.