Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5639355 | Method for enhancing the yield of tertiary butyl alcohol in a tertiary butyl alcohol recovery process | — | 1997-06-17 |
| 5489366 | Recovery of purified and substantially anhydrous propylene oxide | — | 1996-02-06 |
| 4648999 | Apparatus for contacting fluid with solid | Robert B. Armstrong, Pasupati Sadhukhan | 1987-03-10 |
| 4615870 | Back-mixed hydrotreating reactor | Robert B. Armstrong, Pasupati Sadhukhan | 1986-10-07 |