Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5908933 | Certain 4H-1!benzopyrano3,4-b!pyridine derivatives and their corresponding 6,7-b! and 7,8-b! ring isomers | Mladen Trkovnik, Zrinka Ivezic, Zeljko Kelneric | 1999-06-01 |
| 5840922 | Coumarin derivatives, and processes for their preparation | Mladen Trkovnik, Zrinka Ivezic | 1998-11-24 |