Issued Patents 1997
Showing 1–1 of 1 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 |
Showing 1–1 of 1 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 |