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:
Mar. 07, 2006
Filed:
Aug. 16, 2002
Applicant:
Naka Hirayama, Tokyo, JP;
Inventor:
Naka Hirayama, Tokyo, JP;
Assignee:
Nitto Kogyo Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B21D 53/00 (2006.01); B25F 5/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of producing a developing roller, includes providing a roller core having an electrically conductive layer provided on a circumferential surface thereof, applying a reaction mixture containing a fluorine-containing polyol, an isocyanate compound, and a reactive silicone oil having an active hydrogen to a surface of the conductive layer, and subjecting the reaction mixture to a reaction condition for reacting the flourine-containing polyol and the reactive silicone oil with the isocyanate compound.