Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6746807 | Thermally bleachable filter dye compositions comprising benzothiazine-dioxide arylidene dyes and base precursors for use in a photothermographic element | Ramanuj Goswami, Margaret J. Helber, David H. Levy | 2004-06-08 |