Patents per Year
Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5181998 | Upgrading of low value hydrocarbons using a hydrogen donor and microwave radiation | William J. Murphy | 1993-01-26 | $37,489,000 |
| 4522710 | Method for increasing deasphalted oil production | Biddanda U. Achia, James D. Bushnell | 1985-06-11 | $16,388,000 |
| 4514280 | Dewaxing waxy oil by dilution chilling employing static mixing means | Ralph R. Hall | 1985-04-30 | $25,187,000 |
| 4368112 | Solvent recovery from foots oil using modified regenerated cellulose membranes | John A. Thompson, David A. Gudelis | 1983-01-11 | $13,962,000 |
| 4203824 | Polyvinylpyrrolidone dewaxing aid for bright stocks | Biddanda U. Achia | 1980-05-20 | $12,187,000 |