Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835311 | N-phenylsulfonyl-N'-pyrimidinyl- and -N'-triazinylureas | Karl Gass, Werner Fory, Willy Meyer | 1989-05-30 |
| 4833252 | Herbicidal sulfonylureas | Georg Pissiotas | 1989-05-23 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835311 | N-phenylsulfonyl-N'-pyrimidinyl- and -N'-triazinylureas | Karl Gass, Werner Fory, Willy Meyer | 1989-05-30 |
| 4833252 | Herbicidal sulfonylureas | Georg Pissiotas | 1989-05-23 |