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:
Jan. 13, 1998

Filed:

Apr. 09, 1996
Applicant:
Inventors:

Todd Lucas Janes, Lexington, KY (US);

Johnny Dale Massie, II, Lexington, KY (US);

Jean Marie Massie, Lexington, KY (US);

Ronald Lloyd Roe, Lexington, KY (US);

Donald Wayne Stafford, Lexington, KY (US);

Assignee:

Lexmark International, Inc., Lexington, KY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
4284231 ; 355259 ; 355261 ; 524589 ; 524590 ; 525127 ; 525130 ; 525453 ; 525455 ;
Abstract

An electrophotographic developer roller is made by casting urethane prepolymer mixed with a butadiene, a trifunctional curative and ferric chloride powder. After curing, the roller is baked, which oxidizes the outer surface. The oxidized surface layer is electrically resistive, which is desirable in a developer roller. An excellent developer roller is achieved at low production cost.


Find Patent Forward Citations

Janes, Todd. (1998). Polyurethane roller with high surface resistance (U.S. Patent No. 5707743). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5707743

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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