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:
Aug. 07, 2012

Filed:

Dec. 28, 2008
Applicants:

Richard Kent Anderson, Georgetown, KY (US);

Martin Victor Digirolamo, Lexington, KY (US);

Mark Duane Foster, Lexington, KY (US);

Whitney April Greer, Lexington, KY (US);

Mark William Johnson, Lexington, KY (US);

David Starling Macmillan, Winchester, KY (US);

Robert Watson Mcalpine, Lexington, KY (US);

Donald Wayne Stafford, Lexington, KY (US);

Jason Carl True, Lexington, KY (US);

James Thomas Welch, Lexington, KY (US);

Inventors:

Richard Kent Anderson, Georgetown, KY (US);

Martin Victor DiGirolamo, Lexington, KY (US);

Mark Duane Foster, Lexington, KY (US);

Whitney April Greer, Lexington, KY (US);

Mark William Johnson, Lexington, KY (US);

David Starling MacMillan, Winchester, KY (US);

Robert Watson McAlpine, Lexington, KY (US);

Donald Wayne Stafford, Lexington, KY (US);

Jason Carl True, Lexington, KY (US);

James Thomas Welch, Lexington, KY (US);

Assignee:

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

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 15/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present disclosure relates to a surface energy reduction material in the form of a topcoat or additive to a coating that may be applied to a toner regulating member such as a doctor blade which may reduce toner build-up about a nip region, pre-nip region, and/or post-nip region. The surface energy reduction material may be include any material having a surface energy of less than or equal to 35 dynes/cm, for example, between 15-30 dynes/cm, including all values and ranges therein. The surface energy reducing materials may include any material that provides a 25% or more reduction of the surface energy of the doctor blade compared to an untreated doctor blade, for example, greater than or equal to 50% reduction or greater than or equal to 75% reduction, including all values and ranges therein.


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