Issued Patents 1997
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703273 | Process for preparing N-phosphonomethylamino carboxylic acids | Brian K. Cheng, Jerry R. Ebner, Dennis P. Riley | 1997-12-30 |
| 5633407 | Process for preparing substituted aromatic amines | Brian K. Cheng | 1997-05-27 |
| 5623088 | Method of preparing 4-aminodiphenylamine | James K. Bashkin | 1997-04-22 |
| 5618979 | Process for preparing substituted aromatic amines | Brian K. Cheng | 1997-04-08 |
| 5608111 | Method of preparing 4-aminodiphenylamine | James Malcolm Allman, James K. Bashkin, Roger Keranen Rains | 1997-03-04 |
| 5602276 | Process for preparing N-phosphonomethylamino carboxylic acids | Brian K. Cheng, Jerry R. Ebner, Dennis P. Riley | 1997-02-11 |