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. 28, 2001
Filed:
Dec. 21, 1999
Applicant:
Inventors:
Masao Nakamura, Osaka, JP;
Toshihiko Tomita, Osaka, JP;
Masakazu Sugimoto, Osaka, JP;
Junichi Nakazono, Osaka, JP;
Toshiaki Iwamoto, Osaka, JP;
Assignee:
Nitto Denko Corporation, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08G 7/310 ; B32B 3/00 ; B32B 7/00 ; B32B 2/700 ;
U.S. Cl.
CPC ...
C08G 7/310 ; B32B 3/00 ; B32B 7/00 ; B32B 2/700 ;
Abstract
A semiconductive belt comprising a polyimide film having a volume resistivity of 10,&OHgr;cm to 10,&OHgr;cm and a surface resistivity of 10,&OHgr; to 10,&OHgr; at 25° C. and 60% RH, wherein the amount of change of the surface resistivity between 30° C. and 85% RH and 10° C. and 15% RH in terms of common logarithm being is 1.0 or smaller.