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. 16, 2018
Filed:
Oct. 12, 2016
Canon Kabushiki Kaisha, Tokyo, JP;
Kenji Aoki, Mishima, JP;
Yusuke Kosaki, Susono, JP;
Tetsuya Kinumatsu, Mishima, JP;
Shuntaro Watanabe, Hadano, JP;
Noritaka Toyoizumi, Mishima, JP;
Atsushi Tani, Suntou-gun, JP;
Takashige Kasuya, Numazu, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A method of producing a toner containing a toner particle, including the steps of: a) preparing a resin solution by mixing a resin A and an organic solvent, b) mixing the resin solution, a resin fine particle containing a resin B, and a dispersion medium to form a droplet of the resin solution whose surface has been covered with the resin fine particle, and c) removing the organic solvent in the droplet, in which the resin B is a polymer of a monomer composition containing a monomer X having polymerizable unsaturated groups at the both ends; the monomer X has a peak molecular weight of 5,000 to 50,000; the content of the monomer X is 0.10% to 3.00% by mol; and the following formula (1) is satisfied,|SP−SP|≦2.0  (1)where SPand SPrepresent solubility parameters of the resin A and the monomer X, respectively.