Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5637449 | Hydrogen atom donor compounds as contrast enhancers for black-and-white photothermographic and thermographic elements | Lori S. Harring, Sharon M. Simpson | 1997-06-10 |
| 5545507 | Hydroxamic acid compounds as contrast enhancers for black-and-white photothermographic and thermographic elements | Sharon M. Simpson | 1996-08-13 |