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.

Date of Patent:
Oct. 12, 2010

Filed:

Sep. 12, 2007
Applicants:

Hiroshi Miyamoto, Kanagawa, JP;

Shoichi Morita, Kanagawa, JP;

Seiichi Katoh, Kanagawa, JP;

Inventors:

Hiroshi Miyamoto, Kanagawa, JP;

Shoichi Morita, Kanagawa, JP;

Seiichi Katoh, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 69/26 (2006.01); C08L 79/08 (2006.01); C08F 283/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A polyamic acid composition, containing polyamic acid and polyaniline particles, with reduced fluctuation of properties after production; a preparation method for the same; a polyimide resin having reduced fluctuation of resistance properties, superior mechanical properties and superior surface smoothness; a semiconductive member, and an image-forming apparatus having the semiconductive member as a belt. A polyamic acid composition, including a polyamic acid, polyaniline particles having a fibrous region with an aspect ratio of between approximately 1 to approximately 100 or less, a dopant, and a solvent.


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