Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4615994 | Zeolite adsorbent for separation of para-xylene | John H. Estes | 1986-10-07 |
| 4442222 | Adsorbent for separation of para-xylene | John H. Estes | 1984-04-10 |
| 4439535 | Zeolite adsorbent for separation of para-xylene | John H. Estes | 1984-03-27 |
| 4415481 | Pyridine-modified Na X-type or Li X-type adsorbent characterized by its ability to separate para-xylene from C-8 aromatic hydrocarbon mixtures | — | 1983-11-15 |
| 4409819 | Method of determining, as a property of an adsorbent, the selectivity for one component of a liquid charge composition with respect to a reference component of said charge composition | — | 1983-10-18 |
| 4393266 | Separation of para-xylene | — | 1983-07-12 |
| 4351981 | Separation of para-xylene | — | 1982-09-28 |