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:
Jul. 29, 2025
Filed:
Oct. 19, 2020
Applicant:
Hewlett-packard Development Company, L.p., Spring, TX (US);
Inventors:
Takahiro Danno, Kanagawa, JP;
Osamu Ieda, Kanagawa, JP;
Keiichi Ishikawa, Kanagawa, JP;
Akinori Terada, Kanagawa, JP;
Keiji Komoto, Kanagawa, JP;
Assignee:
Hewlett-Packard Development Company, L.P., Spring, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/087 (2006.01); G03G 9/093 (2006.01);
U.S. Cl.
CPC ...
G03G 9/08755 (2013.01); G03G 9/08795 (2013.01); G03G 9/08797 (2013.01); G03G 9/09371 (2013.01);
Abstract
A toner particle comprising: a binder resin; a colorant; and a wax, wherein the binder resin comprises: a first amorphous polyester resin having a pendant group; a second amorphous polyester resin having no pendant group; and a crystalline polyester resin, and wherein a difference between a Solubility Parameter (SP) value of the first amorphous polyester resin and an SP value of the second amorphous polyester resin is 0.3 or more.