Issued Patents All Time
Showing 51–68 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681440 | Encapsulated nickel photoreceptor substrate | William G. Herbert, Geoffrey M. T. Foley | 1997-10-28 |
| 5654118 | Imaging member including a blocking layer containing an enriched amount of nickel hydroxide | William G. Herbert, Alexandra I. Marcu, Philip G. Perry | 1997-08-05 |
| 5641599 | Electrophotographic imaging member with improved charge blocking layer | James M. Markovics, John S. Chambers | 1997-06-24 |
| 5626918 | Method for handling and dipping flexible belts using a spring and shaft assembly | John S. Chambers, Ronald E. Godlove, Timothy J. Leenhouts, Rachael A. Forgit, Robert T. Cosgrove | 1997-05-06 |
| 5612157 | Charge blocking layer for electrophotographic imaging member | John S. Chambers | 1997-03-18 |
| 5531872 | Processes for preparing photoconductive members by electrophoresis | Rachael A. Forgit, Ronald E. Godlove, John S. Chambers, Robert E. McCumiskey, Kamran U. Zaman +1 more | 1996-07-02 |
| 5532093 | Imaging member | William G. Herbert, Gary J. Maier | 1996-07-02 |
| 5521047 | Process for preparing a multilayer electrophotographic imaging member | John S. Chambers | 1996-05-28 |
| 5466551 | Image member including a grounding layer | John W. Spiewak, Christine J. Tarnawskyj, Steven J. Grammatica, Cindy C. Chen, Leon A. Teuscher | 1995-11-14 |
| 5413886 | Transport layers containing two or more charge transporting molecules | Damodar M. Pai, John F. Yanus, Andrew R. Melnyk, Ralph A. Mosher, Tsu-sen Chow | 1995-05-09 |
| 5385796 | Electrophotographic imaging member having unmodified hydroxy methacrylate polymer charge blocking layer | John W. Spiewak, Constance J. Thornton, Dennis A. Abramsohn, Deborah J. Nichol-Landry, Joseph Mammino +4 more | 1995-01-31 |
| 5244762 | Electrophotographic imaging member with blocking layer containing uncrosslinked chemically modified copolymer | John W. Spiewak, Joseph Mammino, Robert C. U. Yu, Cindy C. Chen, Raymond K. Crandall +1 more | 1993-09-14 |
| 5079121 | Seamless polymeric belts for electrophotography and processes for the preparation thereof | John S. Facci, William W. Limburg, Santokh S. Badesha | 1992-01-07 |
| 5063125 | Electrically conductive layer for electrical devices | John W. Spiewak, Constance J. Thornton, John F. Yanus, William W. Limburg, Joseph Mammino | 1991-11-05 |
| 5063128 | Conductive and blocking layers for electrophotographic imaging members | John W. Spiewak, Constance J. Thornton, Joseph Mammino, Robert C. U. Yu, Vincent E. Hamilton +2 more | 1991-11-05 |
| 5028502 | High speed electrophotographic imaging system | Damodar M. Pai, John F. Yanus | 1991-07-02 |
| 4988597 | Conductive and blocking layers for electrophotographic imaging members | John W. Spiewak, Constance J. Thornton, Dennis A. Abramsohn, Deborah J. Nichol-Landry, Joseph Mammino | 1991-01-29 |
| 4921769 | Photoresponsive imaging members with polyurethane blocking layers | Beng S. Ong, John W. Spiewak, Constance J. Thornton | 1990-05-01 |