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. 14, 2013
Filed:
Dec. 12, 2011
Keiji Nose, Suntou-gun, JP;
Masaaki Harada, Yokohama, JP;
Hiroaki Watanabe, Odawara, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
Provided is a charging member in which the hardness of its surface is increased while surface free energy is kept low, the surface is hard to scratch even in long-term use, and a toner or the like is hard to adhere to the surface. The charging member according to the present invention includes a conductive support, a conductive elastic layer, and a surface region containing a cured material of a compound represented by the following formula (1): wherein n represents an integer of 0-6, m represents an integer of 0-6, the total of n and m is from 2 to 6, x and y each independently represent an integer of 0-4, and Rand Reach independently represent a hydrogen atom or a methyl group.