Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6146520 | Selective re-extraction of lube extracts to reduce mutagenicity index | David O. Marler | 2000-11-14 |
| 5922193 | Addition of ethers or aldehydes to furfural for aromatic extractions | Michael E. Landis, David O. Marler | 1999-07-13 |
| 5705724 | Aromatics alkylation with cracked recycled plastics | Nick Allen Collins, Larry A. Green, David O. Marler, William J. Tracy, III | 1998-01-06 |
| 5276243 | Sulfolane purification method | Michael Alan Better, Jonathan E. Child, Kenneth J. Del Rossi, Tomas R. Melli, Sergei Yurchak | 1994-01-04 |
| 5264650 | Sulfolane purification by hydrocarbon extraction | Michael Alan Better, Jonathan E. Child, Kenneth J. Del Rossi, Edward H. Edelson, Rafi Jalkian +2 more | 1993-11-23 |
| 5264652 | Method for separating conjunct polymeric byproducts from mixture containing hydrofluoric acid and a sulfone | Jonathan E. Child, Edward H. Edelson, Rafi Jalkian, Tomas R. Melli, Sergei Yurchak | 1993-11-23 |
| 5262579 | Separation of sulfolane from conjunct polymeric byproducts | Jonathan E. Child, Tomas R. Melli, Sergei Yurchak | 1993-11-16 |