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:
May. 15, 2018
Filed:
Feb. 23, 2017
Applicant:
Konica Minolta, Inc., Tokyo, JP;
Inventors:
Naoya Tonegawa, Sagamihara, JP;
Takanari Kayamori, Kawasaki, JP;
Masaharu Matsubara, Hachioji, JP;
Kouji Sekiguchi, Tokyo, JP;
Atsushi Iioka, Hachioji, JP;
Assignee:
KONICA MINOLTA, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/093 (2006.01);
U.S. Cl.
CPC ...
G03G 9/09392 (2013.01); G03G 9/09321 (2013.01); G03G 9/09328 (2013.01); G03G 9/09364 (2013.01); G03G 9/09371 (2013.01);
Abstract
A method of producing a toner for developing electrostatic images includes Steps I to III is provided. The toner includes a toner matrix particle having a core-shell structure. The toner matrix particle includes a core particle including an amorphous resin A and a crystalline material, and a shell including an amorphous resin B. The shell includes a phase of the amorphous resin B that is not fused with the core particle at the interface. The amorphous resin A differs from the amorphous resin B.