Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4419440 | Process for the introduction of hydrophobic photographic additives | Lothar Kuhnert, Burkhard Costisella, Christoph Roth, Walter Kroha, Renate Hoppe | 1983-12-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4419440 | Process for the introduction of hydrophobic photographic additives | Lothar Kuhnert, Burkhard Costisella, Christoph Roth, Walter Kroha, Renate Hoppe | 1983-12-06 |