Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4198235 | Dye diffusion transfer process employing compounds that release sulfonamide dye providing radicals | Hans Vetter, Walter Puschel, Manfred Peters | 1980-04-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4198235 | Dye diffusion transfer process employing compounds that release sulfonamide dye providing radicals | Hans Vetter, Walter Puschel, Manfred Peters | 1980-04-15 |