Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hiroomi Kojima
Date of Patent
October 31, 2023
Patent Application Number
18047321
Date Filed
October 18, 2022
Patent Citations
Patent Primary Examiner
Patent abstract
An electrophotographic belt includes a biaxially stretched cylindrical film as a base layer, wherein the biaxially stretched cylindrical film includes crystalline polyester, amorphous polyester and carbon black, a content of the carbon black with respect to the biaxially stretched cylindrical film is 2.0% by mass or more, and a surface resistivity measured on the surface of the biaxially stretched cylindrical film in an environment of 23° C. and 50% RH is 1×10
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