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:
Dec. 19, 2017
Filed:
Oct. 11, 2016
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 21/16 (2006.01); G03G 21/18 (2006.01); G03G 15/08 (2006.01);
U.S. Cl.
CPC ...
G03G 21/18 (2013.01); G03G 15/0818 (2013.01);
Abstract
A high-quality developing member having compatibility between high toner charging properties and high durability under high temperature and high humidity environments is provided. The developing member includes an electro-conductive substrate and an electro-conductive surface layer in this order. The surface layer includes a binder resin, an alumina particle and a polyester phosphate compound.