Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5254795 | Removal of 2-ring aromatics from low boiling streams containing low concentrations of same using membranes | Donald T. MacGregor | 1993-10-19 |
| 5084183 | Fractionation of light/heavy waxes by use of porous membranes | Lucie Y. LaFreniere | 1992-01-28 |
| 4943672 | Process for the hydroisomerization of Fischer-Tropsch wax to produce lubricating oil (OP-3403) | Glen P. Hamner, William A. Wachter | 1990-07-24 |
| 4919786 | Process for the hydroisomerization of was to produce middle distillate products (OP-3403) | Glen P. Hamner, Willard H. Sawyer | 1990-04-24 |
| 4571444 | Process for separating alkylaromatics from aromatic solvents and the separation of the alkylaromatic isomers using membranes | Laura E. Black | 1986-02-18 |
| 4570027 | Alkylation of aromatic molecules using a silica-alumina catalyst derived from zeolite | Ian A. Cody | 1986-02-11 |