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:
Aug. 06, 2019
Filed:
May. 24, 2018
Canon Kabushiki Kaisha, Tokyo, JP;
Toshiyuki Yoshida, Yokohama, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
Provided an endless belt-shaped electrophotographic belt comprising an electro-conductive base layer comprising a thermoplastic resin and carbon black, the base layer is a cylindrical extrusion product of a resin mixture comprising the thermoplastic resin and the carbon black, and when observing a cross section of the cylindrical extrusion product with a transmission electron microscope and obtaining an electron image under conditions of a resolution of 0.01 to 1 nm/pixel and a lowest gray of more than 0 and a highest gray of less than 255, and extracting from the TEM image a square region of 100 nm a side in which the carbon black occupies 50 area % or more, among pixels resulting from the carbon black and constituting 1% by frequency from the lowest gray in the square region, pixel group constituted by the pixels that are mutually adjacent, has an area of at least 10 nm.