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:
Dec. 05, 2017
Filed:
Aug. 27, 2014
Canon Kabushiki Kaisha, Tokyo, JP;
Chiaki Nishiura, Pittsburgh, PA (US);
Yuki Tsujii, Tokyo, JP;
Yasuaki Murai, Kawasaki, JP;
Takayuki Toyoda, Yokohama, JP;
Waka Hasegawa, Tokyo, JP;
Masanori Seki, Yokohama, JP;
Masashi Kawamura, Yokohama, JP;
Masashi Hirose, Machida, JP;
Ayano Mashida, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
The present invention provides a compound and a pigment dispersant, each of which improves the dispersibility of various types of pigments in a non-aqueous solvent and also provides a pigment composition, a pigment dispersion, and a toner, each of which has a preferable coloring power. The compound includes a polymer which has a monomer unit having a specific structure and also includes a specific partial structure.