Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4966623 | Use of gametocidal pyrazoles to produce hybrid seed | Stephen A. Ackmann, James R. Beck | 1990-10-30 |
| 4902808 | Process for preparing 4-carboxy-1-(3,5-dimethylphenyl)-5-pyrazolecarboxamide | Stephen A. Ackmann, James R. Beck | 1990-02-20 |
| 4801326 | 1-phenylpyrazole-4,5-dicarboxylic acid derivatives, composition containing them, and pollen formation inhibiting method of using them | Stephen A. Ackmann, James R. Beck | 1989-01-31 |