Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4640704 | Herbicidal sulfonamides | Chi-wan Chen | 1987-02-03 |
| 4582525 | Herbicidal sulfonamides | Chi-wan Chen | 1986-04-15 |
| 4474601 | Herbicidal alkenyl benzenesulfonamide | Chi-wan Chen | 1984-10-02 |
| 4424377 | Benezenesulfonylisocyanates | — | 1984-01-03 |
| 4368069 | Herbicidal sulfonamides | Chi-wan Chen | 1983-01-11 |
| 4348220 | Herbicidal sulfonamides | — | 1982-09-07 |
| 4301286 | Herbicidal O-alkyl sulfonylisoureas | Thomas Steven Woods | 1981-11-17 |