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:
Jul. 28, 2026

Filed:

Sep. 22, 2022
Applicant:

Fujifilm Business Innovation Corp., Tokyo, JP;

Inventors:

Keita Yamamoto, Kanagawa, JP;

Daisuke Noguchi, Kanagawa, JP;

Yuji Isshiki, Kanagawa, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/08 (2006.01); G03G 9/087 (2006.01);
U.S. Cl.
CPC ...
G03G 9/0806 (2013.01); G03G 9/08711 (2013.01); G03G 9/08755 (2013.01);
Abstract

A method for producing an electrostatic image developing toner includes a step 1 of producing toner particles by a wet process, the toner particles including an amorphous polyester resin, a crystalline polyester resin, and a vinyl resin, and a step 2 of bringing acidic water into contact with the toner particles.


Find Patent Forward Citations

Loading…