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:
Mar. 21, 2006

Filed:

Jun. 23, 2003
Applicants:

Jan Bares, Webster, NY (US);

James H. Anderson, Rochester, NY (US);

Matthew Ezenyilimba, Walworth, NY (US);

William K. Goebel, Springwater, NY (US);

Inventors:

Jan Bares, Webster, NY (US);

James H. Anderson, Rochester, NY (US);

Matthew Ezenyilimba, Walworth, NY (US);

William K. Goebel, Springwater, NY (US);

Assignee:

Eastman Kodak Company, Rochester, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/083 (2006.01);
U.S. Cl.
CPC ...
Abstract

Development systems and methods for developing using chemically prepared toners are disclosed. The present invention further discloses developers used in development systems. The use of chemically prepared toners with hard magnetic carrier particles with a non-magnetic, cylindrical shell for transporting developers provides excellent benefits with respect to image quality by reducing granularity and by providing a typically constant, stable developer life as shown by the consistent level of charge to mass over time during operation.


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