Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4281187 | Process for the preparation of 2,4-dinitrophenyl urea | Theodor Papenfuhs | 1981-07-28 |
KG
Kurt Gengnagel
Overall (All Time): #4,094,027 of 4,157,543Top 100%
1
Patents All Time