Issued Patents All Time
Showing 51–70 of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5468583 | Cyclic bis-dicarboximide electron transport compounds for electrophotography | William T. Gruenbaum, Ralph H. Young | 1995-11-21 |
| 5451561 | Receiving element subbing layer for thermal dye transfer | Bruce C. Campbell, Kin K. Lum | 1995-09-19 |
| 5411931 | Thermal dye transfer receiving element with polycarbonate polyol crosslinked polymer | — | 1995-05-02 |
| 5384304 | Receiving element subbing layer for use in thermal dye transfer | Brian T. Pope | 1995-01-24 |
| 5356859 | Release agent for thermal dye transfer receiving element | Kin K. Lum, Noel R. Vanier, Linda S. Flosenzier | 1994-10-18 |
| 5324604 | Multi-active electrophotographic element and imaging process using free radicals as charge transport material | Douglas E. Bugner, Ralph H. Young | 1994-06-28 |
| 5266429 | Polyester-imides in electrophotographic elements | Louis J. Sorriero, Ralph H. Young, Joseph A. Pavlisko | 1993-11-30 |
| 5262378 | Thermal dye transfer receiving element with miscible polycarbonate blends for dye image-receiving layer | Thomas W. Martin, Cheryl L. Warner | 1993-11-16 |
| 5236797 | Electrophotographic elements containing phospha-2,5-cyclohexadiene compounds as electron-transport agents | Chin H. Chen | 1993-08-17 |
| 5039585 | Electrophotographic elements containing new electron-transport agents | Norman G. Rule | 1991-08-13 |
| 5034293 | Electrophotographic elements containing 4H-thiopyran-1,1-dioxide derivatives as electron-transport agents | Norman G. Rule | 1991-07-23 |
| 5013849 | Derivatives of 4H-thiopyran-1,1-dioxides useful as electron-transport agents in electrophotographic elements | Norman G. Rule | 1991-05-07 |
| 4997737 | Electrophotographic elements containing dicyanomethylenefluorene derivatives as electron-transport agents | Douglas E. Bugner, Louis J. Rossi | 1991-03-05 |
| 4968813 | Derivatives of 4H-thiopyran-1,1-dioxides | Norman G. Rule | 1990-11-06 |
| 4948911 | Fluorenone derivatives | Douglas E. Bugner, Louis J. Rossi | 1990-08-14 |
| 4921637 | Naphthoquinone derivatives | William B. Vreeland, Ralph H. Young | 1990-05-01 |
| 4913996 | Electrophotographic elements containing certain anthraquinone derivatives as electron-transport agents | William B. Vreeland, Ralph H. Young | 1990-04-03 |
| 4909966 | Naphthoquinone derivatives | William B. Vreeland, Ralph H. Young | 1990-03-20 |
| 4869984 | Electrophotographic elements containing certain naphthoquinone derivatives as electron-transport agents | William B. Vreeland, Ralph H. Young | 1989-09-26 |
| 4869985 | Electrophotographic elements containing certain naphthoquinone derivatives as electron-transport agents | William B. Vreeland, Ralph H. Young | 1989-09-26 |