Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880543 | Supercritical fluid chromatography packing material containing alumina | Robinson P. Khosah, Douglas G. Weaver, Karen R. Fraser-Milla, Richard R. Burr | 1989-11-14 |
| 4824576 | Process for removal, separation and recovery of heavy metal ions from solutions using activated alumina including acid treated activated alumina | Ajay Sood, Hubert L. Fleming | 1989-04-25 |
| 4816159 | Supercritical fluid chromatography packing material | Robinson P. Khosah, Douglas G. Weaver, Karen R. Fraser-Milla, Richard R. Burr | 1989-03-28 |