Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5614541 | Pharmacologically active catechol derivatives | Erkki J. Honkanen, Inge-Britt Y. Linden, Erkki A. O. Nissinen, Aino K. Pippuri, Pentti Pohto +1 more | 1997-03-25 |
| 5569657 | (-)-[[4-(1,4,5,6-tetrahydro-4-m ethyl-6-oxo-3-pyridazinyl)phenyl]-hydrazono]propanedinitrile | Pentti Nore, Erkki J. Honkanen, Tom Wikberg, Heimo Haikala, Jorma Haarala | 1996-10-29 |