Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703248 | Process for the selective trihalogenation of ketones useful as intermediates in the synthesis of thiophenes | Jeffrey S. Rommel, Richard R. Boettcher | 1997-12-30 |
| 4474776 | Anthryl substituted phosphorus compounds as insecticides | — | 1984-10-02 |
| 4474774 | Acridone substituted phosphorus compounds, compositions containing same and insecticidal method of use | — | 1984-10-02 |
| 4452792 | Acridine substituted phosphorus compounds and their insecticidal use | — | 1984-06-05 |
| 4447420 | Fluorenone esters of phosphoric and phosphonic acids as insecticides | — | 1984-05-08 |
| 4404220 | Xanthenone-yl esters of phosphoric and phosphonic acids | — | 1983-09-13 |
| 4322414 | Indanonyl phosphates as insecticides | Takeo Hokama | 1982-03-30 |
| 4299772 | Xanthenone-yl esters of phosphoric and phosphonic acids | — | 1981-11-10 |