Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4968819 | Process for the preparation of chromene derivatives | Tibor Timar, Kalman Zsupan, Janos Repasi, Iren Borsos nee Spafranek, Istvan Kiss +1 more | 1990-11-06 |
| 4866089 | Chromene derivatives and pesticidal composition comprising the same | Tibor Timar, Kalman Zsupan, Janos Repasi, Iren Borsos nee Safranek, Istvan Kiss +1 more | 1989-09-12 |
| 4716238 | Chromene derivatives useful as insecticides | Tibor Timar, Kalman Zsupan, Janos Repasi, Iren Borsos nee Safranek, Istvan Kiss +1 more | 1987-12-29 |