Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5763359 | N-(1-ethyl-4-pyrazolyl)triazoloazinesulfonamide herbicides | William A. Kleschick, Robert J. Ehr, Monte R. Weimer | 1998-06-09 |
| 5700940 | N-aryl1,2,4!triazolo1,5-a!pyridine-2-sulfonamide herbicides | John C. Van Heertum, William A. Kleschick, Kim E. Arndt, Robert J. Ehr, Kimberly Brubaker Bradley +4 more | 1997-12-23 |
| 5602075 | N-aryl[1,2,4]triazolo[1,5-a]pyrazine-2-sulfonamide herbicides | Zoltan L. Benko, John J. Jachetta, Kim E. Arndt | 1997-02-11 |
| 5571775 | N-aryl[1,2,4]triazolo[1,5-a]pyridine-2-sulfonamide herbicides | John C. Van Heertum, William A. Kleschick, Kim E. Arndt, Robert J. Ehr, Kimberly Brubaker Bradley +3 more | 1996-11-05 |
| 5494887 | Ring annulated 5-alkoxy-n-aryl[1,2,4]triazolo[1,5-C]-pyrimidine-2-sulfonamide herbicides | Timothy C. Johnson, Walter Reifschneider, John C. Van Heertum, Kim E. Arndt | 1996-02-27 |
| 5447905 | N-indazolyl[1,2,4]triazolo[1,5-C]pyrimidine-2-sulfonamide herbicides | Robert J. Ehr, William A. Kleschick, John C. Van Heertum, Walter Reifschneider | 1995-09-05 |
| 5410065 | Preparation of 5-cylamino-1,2,4-triazole-3-sulfonamides | Jack C. Little, Ravi B. Shankar, R. Garth Pews | 1995-04-25 |
| 5391759 | Preparation of 5-acylamino-1,2,4-triazole-3-sulfonamides | Jack C. Little, Ravi B. Shankar, R. Garth Pews, Kidisti G. Mariam, Susan D. Thompson | 1995-02-21 |
| 5201938 | N-pyrazolyl-1,2,4-triazolo[1,5-c]pyrimidine-2-sulfonamide herbicides | John C. Van Heertum, William A. Kleschick, Robert J. Ehr, Patricia G. Ray | 1993-04-13 |
| 4983772 | 2,6-disubstituted anilines | William A. Kleschick, Robert J. Ehr, Ben C. Gerwick, III, 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, Ben C. Gerwick, III, Richard W. Meikle, deceased, William T. Monte +1 more | 1990-09-04 |
| 4892732 | Method and composition for enhancing the insecticidal activity of certain organophosphorus compounds | Doris L. Parconagian, Donald H. DeVries, Walter Reifschneider | 1990-01-09 |
| 4886883 | Substituted 1,2,4-triazolo[1,5-a]pyrimidine-2-sulfonyl chlorides | William A. Kleschick, Robert J. Ehr, Ben C. Gerwick, III, 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, Ben C. Gerwick, III, Richard W. Meikle, deceased, William T. Monte | 1989-04-04 |
| 4777164 | Method and composition for enhancing the insecticidal activity of certain organophosphorus compounds | Donald H. DeVries, Walter Reifschneider | 1988-10-11 |
| 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, Ben C. Gerwick, III, Robert J. Ehr, William T. Monte, Norman R. Pearson +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, Ben C. Gerwick, III, Robert J. Ehr, William T. Monte, Norman R. Pearson +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, Ben C. Gerwick, III, William T. Monte, Norman R. Pearson +1 more | 1988-04-26 |
| 4588711 | Insecticidal phosphorus derivatives of 6-cycloalkyl-4-pyrimidinols | Walter Reifschneider, Doris L. Paroonagian, Donald H. DeVries | 1986-05-13 |
| 4489068 | Method and composition for enhancing the insecticidal activity of certain organophosphorus compounds | Donald H. De Vries, Walter Reifschneider | 1984-12-18 |
| 4486421 | Insecticidal phosphorus derivatives of 4-pyrimidinols | Doris L. Paroonagian, Walter Reifschneider | 1984-12-04 |
| 4486422 | Insecticidal phosphorus derivatives of 5-pyrimidinols | Walter Reifschneider, Doris L. Paroonagian | 1984-12-04 |