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:
Jun. 13, 2023
Filed:
Jan. 08, 2021
Applicant:
Fujifilm Business Innovation Corp., Tokyo, JP;
Inventors:
Shintaro Anno, Kanagawa, JP;
Yoshimasa Fujihara, Kanagawa, JP;
Atsushi Sugawara, Kanagawa, JP;
Daisuke Noguchi, Kanagawa, JP;
Satoshi Miura, Kanagawa, JP;
Assignee:
FUJIFILM Business Innovation Corp., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 9/087 (2006.01); G03G 9/083 (2006.01); G03G 9/097 (2006.01); G03G 9/08 (2006.01); G03G 15/08 (2006.01);
U.S. Cl.
CPC ...
G03G 9/08755 (2013.01); G03G 9/0804 (2013.01); G03G 9/0819 (2013.01); G03G 9/0832 (2013.01); G03G 9/08782 (2013.01); G03G 9/09783 (2013.01); G03G 15/0865 (2013.01);
Abstract
A toner for developing an electrostatic charge image contains toner particles containing at least one binder resin; the Mg element in an amount such that the net intensity of x-ray fluorescence from the Mg element in the toner is 0.10 kcps or more and 1.20 kcps or less; and at least one external additive including particles of a metal salt of a fatty acid.