Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5288836 | Process for producing polycarbonates from nitrogen diol and aromatic diol haloformate. | Walter Mychajlowskij, George Liebermann | 1994-02-22 |
| 5242774 | Photoconductive imaging members with fluorinated polycarbonates | Peter G. Odell | 1993-09-07 |
| 5227449 | Photoconductive imaging members with polycarbonate binders | Peter G. Odell, Charles G. Allen | 1993-07-13 |
| 5166021 | Photoconductive imaging members with polycarbonate fluorosiloxane polymer overcoatings | Peter G. Odell | 1992-11-24 |
| 5162485 | Bisphenol based polyesters useful in photoreceptor matrices | Peter G. Odell | 1992-11-10 |
| 5155200 | Polyarylamine polymers | William W. Limburg, Dale S. Renfer, John F. Yanus, Jean M. J. Frechet, Sylvie Gauthier +3 more | 1992-10-13 |
| 5153618 | Ionographic imaging system | John A. Frank, Joseph Mammino, Dennis A. Abramsohn, Donald S. Sypula, Jerome P. Chasko +4 more | 1992-10-06 |
| 5122429 | Photoconductive imaging members | Pudupadi R. Sundararajan, Terry L. Bluhm | 1992-06-16 |
| 5080987 | Photoconductive imaging members with polycarbonate binders | Peter G. Odell, Charles G. Allen | 1992-01-14 |
| 5073434 | Ionographic imaging system | John A. Frank, Joseph Mammino, Dennis A. Abramsohm, Donald S. Sypula, Jerome P. Chasko +4 more | 1991-12-17 |
| 5030533 | Photoconductive imaging members with liquid crystalline thermotropic polymers | Terry L. Bluhm, Pudupadi R. Sundararajan, Guerino G. Sacripante | 1991-07-09 |
| 5030532 | Electrophotographic imaging member utilizing polyarylamine polymers | William W. Limburg, Dale S. Renfer, John F. Yanus, Jean M. J. Frechet, Sylvie Gauthier +3 more | 1991-07-09 |
| 5017645 | Photoresponsive imaging members with protective copolyurethane overcoatings | Beng S. Ong, John R. C. Fuller | 1991-05-21 |
| 4983482 | Photoconductive imaging members with polyurethane hole transporting layers | Beng S. Ong, Lupu Alexandru | 1991-01-08 |
| 4959288 | Photoconductive imaging members with diaryl biarylylamine copolymer charge transport layers | Beng S. Ong, Barkev Keoshkerian, Giuseppa Baranyi | 1990-09-25 |
| 4853308 | Photoresponsive imaging members with fluorene hole transporting layers | Beng S. Ong, John R. C. Fuller | 1989-08-01 |
| 4845263 | Layered photoresponsive imaging members with sulfur incorporated dicyanomethylenefluorene carboxylate compositions of matter | Beng S. Ong | 1989-07-04 |
| 4835081 | Photoresponsive imaging members with electron transport overcoatings | Beng S. Ong, Barkev Keoshkerian | 1989-05-30 |
| 4820601 | Photoresponsive imaging members with protective copolyurethane overcoatings | Beng S. Ong, John R. C. Fuller | 1989-04-11 |
| 4801517 | Polyarylamine compounds and systems utilizing polyarylamine compounds | Jean M. J. Frechet, Sylvie Gauthier, William W. Limburg, Rafik O. Loutfy, John W. Spiewak | 1989-01-31 |
| 4609602 | Photoresponsive imaging members with electron transporting layers | Beng S. Ong, Barkev Keoshkerian | 1986-09-02 |
| 4562132 | Photoresponsive imaging members containing electron transport overcoatings | Beng S. Ong, Barkev Keoshkerian, Joseph Mammino | 1985-12-31 |
| 4546059 | Layered photoresponsive imaging members with sulfur incorporated dicyanomethylenefluorene carboxylate compositions | Beng S. Ong | 1985-10-08 |