Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6831163 | Bichromophoric molecules | Ann L. Carroll-Lee, Kevin W. Williams, Linda A. Kaszczuk, Charles H. Weidner | 2004-12-14 |
| 6706460 | Stable IR dye composition for invisible marking | Kevin W. Williams, Huijuan Chen | 2004-03-16 |
| 6703111 | Laser thermal imaging process, dye, and element | Kevin W. Williams, Ann L. Carroll-Lee | 2004-03-09 |
| 6689518 | Photographic display elements comprising stable IR dye compositions for invisible marking | Kevin W. Williams | 2004-02-10 |