Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5641621 | Process for preparation of silver halide emulsion employing a double heat-cycle during finishing | Paul T. Hahm, Heinz E. Stapelfeldt | 1997-06-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5641621 | Process for preparation of silver halide emulsion employing a double heat-cycle during finishing | Paul T. Hahm, Heinz E. Stapelfeldt | 1997-06-24 |