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. 20, 2014
Filed:
Mar. 27, 2007
Applicants:
Masao Nakamura, Ibaraki, JP;
Masahiro Kanbayashi, Ibaraki, JP;
Yoshio Oota, Ibaraki, JP;
Inventors:
Assignee:
Nitto Denko Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 69/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a semi-conductive polyimide film having: a common logarithm of a surface resistivity at 25° C. and 60% RH of 9 to 15 log Ω/square; a common logarithm of a volume resistivity of 8 to 15 log Ω·cm; a fatigue stress in accordance with a fatigue test complying with JIS K7118, upon a number of repetition being 10, of 160 MPa or more; and a number of durable bending in accordance with an MIT test complying with JIS P8115 of 2,000 times or more, and an intermediate transfer belt and an transfer transportation belt using the semi-conductive polyimide film.