Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7393812 | Methylidene mevalonates and their use as herbicides | Paul R. Graupner, Stephen Craig Fields, Paul R. Schmitzer, William K. Brewster | 2008-07-01 |
| 5163995 | Herbicidal alkoxy-1,2,4-triazolo[1,5-c]pyrimidine-2-sulfonamides | John C. Van Heertum, William A. Kleschick, Timothy C. Johnson | 1992-11-17 |
| 5010195 | Herbicidal alkoxy-1,2,4-triazolo(1,5-c)primidine-2-sulfonamides | John C. Van Heertum, William A. Kleschick | 1991-04-23 |
| 4983772 | 2,6-disubstituted anilines | William A. Kleschick, Mark J. Costales, Robert J. Ehr, deceased Meikle, by Diane L. Meikle, executrix +2 more | 1991-01-08 |
| 4954163 | Substituted 1,2,4-triazolo[1,5-a]pyrimidine-2-sulfonamides, compositions containing them, and their utility as herbicides | William A. Kleschik, Robert J. Ehr, Mark J. Costales, Richard W. Meikle, deceased, William T. Monte +1 more | 1990-09-04 |
| 4886883 | Substituted 1,2,4-triazolo[1,5-a]pyrimidine-2-sulfonyl chlorides | William A. Kleschick, Robert J. Ehr, Mark J. Costales, Richard W. Meikle, deceased, William T. Monte +1 more | 1989-12-12 |
| 4818273 | Substituted 1,2,4-triazolo[1,5-a]pyrimidine-2-sulfonamides, compositions containing them, and their utility as herbicides | William A. Kleschick, Robert J. Ehr, Mark J. Costales, Richard W. Meikle, deceased, William T. Monte | 1989-04-04 |
| 4755212 | Novel substituted 1,2,4-triazolo[1,5-a]pyrimidine-2-sulfonamides and compositions and method for inhibiting pollen formation in corn | William A. Kleschick, Robert J. Ehr, William T. Monte, Norman R. Pearson, Richard W. Meikle, deceased +1 more | 1988-07-05 |
| 4741764 | Substituted 1,2,4-triazolo[1,5-a]-pyrimidine-2-sulfonamides and compositions and methods of controlling undesired vegetation and inhibiting sugar beet bolting | William A. Kleschick, Robert J. Ehr, William T. Monte, Norman R. Pearson, Richard W. Meikle, deceased +1 more | 1988-05-03 |
| 4740233 | Substituted 1,2,4-triazolo[1,5-a]-pyrimidine-2-sulfonamides and compositions and methods of controlling undesired vegetation and suppressing the nitrification of ammonium nitrogen in soil | William A. Kleschick, Robert J. Ehr, William T. Monte, Norman R. Pearson, Mark J. Costales +1 more | 1988-04-26 |
| 4474599 | 1-(Pyridyl)-1H-1,2,3-triazole derivatives, and use as herbicidal agents | Richard B. Rogers, Eric A. Egli | 1984-10-02 |
| 4447257 | Inhibiting the antagonism between pyridyloxy-phenoxy alkanoate herbicides and benzothiadiazinone herbicides in post-emergent applications | — | 1984-05-08 |