Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881964 | N-heterocyclosulfonyl-N'-pyrimidinylureas | Willy Meyer | 1989-11-21 |
| 4875923 | N-pyridinylsulfonyl-N'-pyrimidinylures | Rolf Schurter, Willy Meyer | 1989-10-24 |
| 4854963 | N-heterocyclosulfonyl-N'-triazinylureas | Willy Meyer | 1989-08-08 |
| 4835311 | N-phenylsulfonyl-N'-pyrimidinyl- and -N'-triazinylureas | Karl Gass, Willy Meyer, Werner Topfl | 1989-05-30 |
| 4804757 | Pyrimidinylsulfonyl carbamates and thiocarbamates | Beat Bohner, Rolf Schurter, Georg Pissiotas | 1989-02-14 |