Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6291518 | Hydroxy and polyhydroxy derivatives of coumarin, preparation thereof and antiviral action thereof | Mladen Trkovnik | 2001-09-18 |
| 6100409 | Hydroxy and polyhydroxy derivatives of coumarin, preparation thereof and antiviral action thereof | Mladen Trkovnik | 2000-08-08 |
| 5908933 | Certain 4H-1!benzopyrano3,4-b!pyridine derivatives and their corresponding 6,7-b! and 7,8-b! ring isomers | Mladen Trkovnik, Zeljko Kelneric, Ljerka Polak | 1999-06-01 |
| 5840922 | Coumarin derivatives, and processes for their preparation | Mladen Trkovnik, Ljerka Polak | 1998-11-24 |