Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5637778 | Isopropyl alcohol and diispropyl ether production from crude by-product acetone in one step | Robert J. Taylor, Jr., Pei-Shing E. Dai, John F. Knifton | 1997-06-10 |
| 5476972 | Isopropyl alcohol and ether production from crude by-product acetone | Pei-Shing E. Dai, Robert J. Taylor, Jr., John F. Knifton | 1995-12-19 |
| 5453411 | Mild hydrocracking of heavy hydrocarbon feedstocks employing silica-alumina catalysts | Pei-Shing E. Dai, Charles N. Campbell, II, Randall H. Petty | 1995-09-26 |
| 5441630 | Hydrodesulfurization process | Eugene P. Dai, David E. Sherwood, Jr., Randall H. Petty | 1995-08-15 |
| 5370788 | Wax conversion process | Pei-Shing E. Dai, Joseph A. Durkin | 1994-12-06 |
| 5342507 | Mild hydrocracking process employing catalysts containing dealuminated y-zeolites | Pei-Shing E. Dai, Charles N. Campbell, II, David E. Sherwood, Jr. | 1994-08-30 |
| 5320743 | Mild hydrocracking of heavy hydrocarbon feedstocks employing silica-alumina catalysts | Pei-Shing E. Dai, Charles N. Campbell II, Randall H. Petty | 1994-06-14 |
| 5308472 | Mild hydrocracking process using catalysts containing dealuminated y-zeolites | Pei-Shing E. Dai, Charles N. Campbell, II, David E. Sherwood, Jr. | 1994-05-03 |
| 5235067 | Continuous process for alkenyl succinimides | Billy R. Allen, John A. Lemen, Leonard A. Matthews | 1993-08-10 |
| 5087348 | Hydrocarbon treating process | Pei-Shing E. Dai, David E. Sherwood, Jr. | 1992-02-11 |
| 5069890 | Zeolite treating process | Pei-Shing E. Dai, David E. Sherwood, Jr. | 1991-12-03 |