Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5232801 | Hole-transport liquid crystalline polymeric compounds, electrophotographic elements comprising same, and electrophotographic process | Jiann-Hsing Chen | 1993-08-03 |
| 5232802 | Electron-transport liquid crystalline polymeric compounds, electrophotographic elements comprising same, and electrophotographic process | Jiann-Hsing Chen | 1993-08-03 |
| 5213927 | Inverse multiactive electrophotographic element | Hsin-Chia Kan | 1993-05-25 |
| 5039585 | Electrophotographic elements containing new electron-transport agents | Teh-Ming Kung | 1991-08-13 |
| 5034293 | Electrophotographic elements containing 4H-thiopyran-1,1-dioxide derivatives as electron-transport agents | Teh-Ming Kung | 1991-07-23 |
| 5028504 | Infrared-sensitive photoconductor elements incorporating a cyanine dye and a perylene pigment | William J. Staudenmayer | 1991-07-02 |
| 5013849 | Derivatives of 4H-thiopyran-1,1-dioxides useful as electron-transport agents in electrophotographic elements | Teh-Ming Kung | 1991-05-07 |
| 4968813 | Derivatives of 4H-thiopyran-1,1-dioxides | Teh-Ming Kung | 1990-11-06 |
| 4788336 | Novel organic compounds for use in electrophotographic elements | — | 1988-11-29 |
| 4423203 | Electrically photosensitive polymers containing vinylene-1,4-phenylene-imino-1,4-phenylene-vinylenearylene groups | Peter J. Corvan, Jeanne E. Kaeding, Cesar Rodriguez | 1983-12-27 |
| 4301226 | Crystallization inhibiting mixtures of arylmethane photoconductors | Lawrence E. Contois | 1981-11-17 |