Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5304655 | N'-substituted N-amino-3,4,5,6-tetrafluorophthalimides, and processes for their preparation | Theodor Papenfuhs | 1994-04-19 |
| 5292967 | Process for producing 2,3-difluoro-6-nitrophenol | Theodor Papenfuhs, Joachim Hackenbruch | 1994-03-08 |