Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5569657 | (-)-[[4-(1,4,5,6-tetrahydro-4-m ethyl-6-oxo-3-pyridazinyl)phenyl]-hydrazono]propanedinitrile | Pentti Nore, Erkki J. Honkanen, Reijo B ackstr om, Tom Wikberg, Heimo Haikala | 1996-10-29 |
| 5512571 | (-) 4-(1,4,5,6-tetrahydro-4-methyl-6-oxo-3-pyridazinyl)phenyl!-hydra-zono! propanedinitrile | Pentti Nore, Erkki J. Honkanen, Reijo Backstrom, Tom Wikberg, Heimo Haikala | 1996-04-30 |
| 5424428 | ( -)-[[4-(1,4,5,6-tetrahydro-4-methyl-6-oxo-3-pyridazinyl)phenyl]-hydrazono]p r | Pentti Nore, Erkki J. Honkanen, Reijo Backstrom, Tom Wikberg, Heimo Haikala | 1995-06-13 |
| 5135950 | Stable polymorphic form of (E)-N,N-diethyl-2-cyano-3-(3,4-dihydroxy-5-nitrophenyl)acrylamide and the process for its preparation | Aino K. Pippuri, Erkki J. Honkanen | 1992-08-04 |