Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4772720 | Process for the preparation of intermediates useful for making herbicidal sulfonamides derived from substituted 2-amino-1,2,4-triazolo(1,5-A)pyrimidines | Anna P. Vinogradoff, Joseph E. Dunbar | 1988-09-20 |
| 4755212 | Novel substituted 1,2,4-triazolo[1,5-a]pyrimidine-2-sulfonamides and compositions and method for inhibiting pollen formation in corn | Ben C. Gerwick, III, 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 | Ben C. Gerwick, III, 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 | Robert J. Ehr, Ben C. Gerwick, III, William T. Monte, Norman R. Pearson, Mark J. Costales +1 more | 1988-04-26 |
| 4731446 | Imidazo[1,2-a]pyrimidine sulfonic acids and acid halides | Norman R. Pearson, Shannon L. Bartley | 1988-03-15 |
| 4685958 | Sulfonamides derived from substituted 2-amino-1,2,4-triazolo[1,5-a]-1,3,5-triazines and compositions and methods of controlling undesired vegetation | Norman R. Pearson | 1987-08-11 |
| 4650892 | Process for the preparation of herbicidal sulfonamides | Anna P. Vinogradoff, Joseph E. Dunbar | 1987-03-17 |
| 4638075 | Herbicidal sulfonamides | Anna P. Vinogradoff, Joseph E. Dunbar | 1987-01-20 |
| 4605433 | 1,2,4-triazolo[1,5-a]-1,3,5-triazine-2-sulfonamides and compositions and methods of controlling undesired vegetation | Norman R. Pearson | 1986-08-12 |
| 4532328 | Process for making optically active esters of phenoxyphenoxypropionic acids or pyridyloxyphenoxypropionic acids | — | 1985-07-30 |
| 4515956 | Selective preparation of isomers and enantiomers of cyclopropane carboxylic acids | — | 1985-05-07 |
| 4479005 | Selective preparation of isomers and enantiomers of cyclopropane carboxylic acids | — | 1984-10-23 |