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.

Date of Patent:
Nov. 23, 2021

Filed:

Feb. 19, 2020
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Kouichirou Ochi, Chiba, JP;

Yuzo Tokunaga, Chiba, JP;

Tomoyo Miyakai, Tokyo, JP;

Akifumi Matsubara, Kashiwa, JP;

Takashi Hirasa, Moriya, JP;

Hayato Ida, Toride, JP;

Yasutaka Akashi, Yokohama, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 9/135 (2006.01); G03G 9/125 (2006.01); G03G 9/13 (2006.01); G03G 9/08 (2006.01);
U.S. Cl.
CPC ...
G03G 9/1355 (2013.01); G03G 9/0806 (2013.01); G03G 9/125 (2013.01); G03G 9/131 (2013.01); G03G 9/132 (2013.01); G03G 9/133 (2013.01);
Abstract

A liquid developer containing a liquid carrier and a toner particle that is insoluble in the liquid carrier, wherein a particular substructure is bonded through a covalent bond to a surface of the toner particle, and a method of producing a liquid developer containing a liquid carrier and a toner particle that is insoluble in the liquid carrier, the method comprising a step (I) of covalently bonding, to a surface of the toner particle, a compound having a particular substructure.


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