Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6005157 | Cycloparaffin purification from petroleum streams | Fu-Ming Lee | 1999-12-21 |
| 5624566 | Method and apparatus for recovering carboxylic acids from dilute solutions | Joseph C. Gentry, Ronald G. Gualy | 1997-04-29 |
| 5492625 | Method of recovering carboxylic acids from dilute solutions | Joseph C. Gentry, Ronald G. Gualy | 1996-02-20 |
| 5399244 | Process to recover benzene from mixed hydrocarbons by extractive distillation | Joseph C. Gentry, Lloyd Berg, John McIntyre | 1995-03-21 |