Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886883 | Substituted 1,2,4-triazolo[1,5-a]pyrimidine-2-sulfonyl chlorides | Robert J. Ehr, Mark J. Costales, Ben C. Gerwick, III, Richard W. Meikle, deceased, William T. Monte +1 more | 1989-12-12 |
| 4874421 | Herbicidal method with improved crop tolerance | Jacob Secor, Theodore W. Holmsen | 1989-10-17 |
| 4822404 | Sulfonamides derived from substituted 2-amino-1,2,4-triazolo (1,5-a) pyrimidines and compositions and methods of controlling undesired vegetation | — | 1989-04-18 |
| 4818273 | Substituted 1,2,4-triazolo[1,5-a]pyrimidine-2-sulfonamides, compositions containing them, and their utility as herbicides | Robert J. Ehr, Mark J. Costales, Ben C. Gerwick, III, Richard W. Meikle, deceased, William T. Monte | 1989-04-04 |
| 4799952 | Herbicidal imidazolo(1,2-a)pyrimidine-2-sulfonanilides | Norman R. Pearson, Shannon L. Bartley | 1989-01-24 |