Issued Patents All Time
Showing 51–75 of 93 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6214504 | Photoconductive imaging members | Mohammad Esteghamatian, Ah-Mee Hor, C. Geoffrey Allen, Dasarao K. Murti | 2001-04-10 |
| 6203963 | Particulate surface treatment process | Grazyna E. Kmiecik-Lawrynowicz, Guerino G. Sacripante | 2001-03-20 |
| 6165661 | Perylene compositions | Cheng-Kuo Hsiao, Ah-Mee Hor, Giuseppa Baranyi, C. Geoffrey Allen | 2000-12-26 |
| 6162571 | Unsymmetrical perylene dimers | C. Geoffrey Allen, Ah-Mee Hor, Roger E. Gaynor | 2000-12-19 |
| 6051351 | Perylenes | Cheng-Kuo Hsiao, Ah-Mee Hor, Giuseppa Baranyi, C. Geoffrey Allen | 2000-04-18 |
| 5853933 | Photoconductive member and perylene processes | Ah-Mee Hor, C. Geoffrey Allen | 1998-12-29 |
| 5756744 | Unsymmetrical perylene dimers | C. Geoffrey Allen, Ah-Mee Hor, Gordon K. Hamer | 1998-05-26 |
| 5723179 | Method and composition for obtaining waterfast images from ink jet inks | Raymond W. Wong | 1998-03-03 |
| 5683842 | Unsymmetrical perylene dimers in electrophotography | C. Geoffrey Allen, Ah-Mee Hor, Gordon K. Hamer | 1997-11-04 |
| 5645965 | Symmetrical perylene dimers | Charles G. Allen, Ah-Mee Hor, Gordon K. Hamer | 1997-07-08 |
| 5554480 | Fluorescent toner processes | Raj D. Patel, H. Bruce Goodbrand, Grazyna E. Kmiecik-Lawrynowicz, Michael A. Hopper, Melvin D. Croucher | 1996-09-10 |
| 5534376 | Tetrafluoro hydroxygallium phthalocyanines and photoconductive imaging members | James D. Mayo, Gordon K. Hamer, Sandra J. Gardner | 1996-07-09 |
| 5473064 | Hydroxygallium phthalocyanine imaging members and processes | James D. Mayo, Cheng-Kuo Hsiao, Sandra J. Gardner, Barkev Keoshkerian | 1995-12-05 |
| 5407766 | Hydroxygallium phthalocyanine photoconductive imaging members | James D. Mayo, Cheng-Kuo Hsiao, Sandra J. Gardner, Barkev Keoshkerian | 1995-04-18 |
| 5385803 | Authentication process | H. Bruce Goodbrand, David L. Hecht | 1995-01-31 |
| 5345254 | Ink jet printing process | Raymond W. Wong, Marcel P. Breton, Melvin D. Croucher, T. Edward Petroff, William Riske +1 more | 1994-09-06 |
| 5332640 | Toner compositions with dendrimer charge enhancing additives | Francoise M. Winnik, Guerino G. Sacripante, Anthony R. Davidson | 1994-07-26 |
| 5322754 | Imaging members containing titanium phthalocyanines | James D. Mayo, Cheng-Kuo Hsiao, Ah-Mee Hor, Terry L. Bluhm, Gordon K. Hamer +1 more | 1994-06-21 |
| 5290654 | Microsuspension processes for toner compositions | Guerino G. Sacripante, Grazyna Kmiecik-Lawrynowica, Raj D. Patel | 1994-03-01 |
| 5256516 | Toner compositions with dendrimer charge enhancing additives | Francoise M. Winnik, Guerino G. Sacripante, Anthony R. Davidson | 1993-10-26 |
| 5225551 | Imaging member containing titanium phthalocyanines | James D. Mayo, Cheng-Kuo Hsiao, Ah-Mee Hor, Terry L. Bluhm, Gordon K. Hamer +1 more | 1993-07-06 |
| 5208630 | Process for the authentication of documents utilizing encapsulated toners | H. Bruce Goodbrand, Raymond W. Wong | 1993-05-04 |
| 5206359 | Processes for preparation of titanyl phthalocyanines type X | James D. Mayo, Trevor I. Martin, Terry L. Bluhm, Cheng-Kuo Hsiao, Ah-Mee Hor | 1993-04-27 |
| 5182382 | Processes for the preparation of titaniumphthalocyanine Type X | James D. Mayo, Terry L. Bluhm, Cheng-Kuo Hsiao | 1993-01-26 |
| 5166339 | Processes for the preparation of titanium phthalocyanines | James D. Mayo, Cheng-Kuo Hsiao, Ah-Mee Hor, Terry L. Bluhm, Gordon K. Hamer +1 more | 1992-11-24 |