Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6790585 | Method for developing a high contrast photographic material containing a polyhydrazide nucleating agent | Jacques Roussilhe, John D. Goddard, Llewellyn J. Leyshon | 2004-09-14 |