Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4241166 | Photopolymerizable composition comprising a monoazo dye as contrast colorant | Kurt Klupfel, Heide Sprengel, Walter Deucker | 1980-12-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4241166 | Photopolymerizable composition comprising a monoazo dye as contrast colorant | Kurt Klupfel, Heide Sprengel, Walter Deucker | 1980-12-23 |