Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876253 | Trisubstituted 1,3,5-triazine-2,4,6-triones | Wolfgand Fuhrer, Engelbert Kuhle, Gerd Hanssler | 1989-10-24 |
| 4874874 | Preparation of 3-sulphenylmaleimides | Engelbert Kule | 1989-10-17 |
| 4839359 | Trisubstituted 1,3,5-triazine-2,4,6-triones | Wolfgang Fuhrer, Engelbert Kuhle, Gerd Hanssler | 1989-06-13 |