| 6534318 |
Mass spectrometric multivariate analysis |
Stilianos G. Roussis, Barbara Shannon, Olga Puzic |
2003-03-18 |
| 6258255 |
Method for enhancing asphalt properties |
Mary Josephine Gale, Lyle E. Moran, James D. Bell |
2001-07-10 |
| 5306681 |
Method for recovery or maintaining the activity of hydroisomerization catalysts |
James J. Schorfheide |
1994-04-26 |
| 5212128 |
Method for recovering or maintaining the activity of hydroisomerization catalysts |
James J. Schorfheide |
1993-05-18 |
| 5059299 |
Method for isomerizing wax to lube base oils |
Ian A. Cody, James D. Bell, Theodore H. West, William A. Wachter |
1991-10-22 |
| 4937399 |
Method for isomerizing wax to lube base oils using a sized isomerization catalyst |
William A. Wachter, Ian A. Cody, Glen P. Hamner |
1990-06-26 |
| 4673485 |
Process for increasing deasphalted oil production from upgraded residua |
Duncan J. Bristow, Lawrence J. Evers |
1987-06-16 |
| 4594142 |
Dewaxing waxy hydrocarbon oils using di-alkyl fumarate-vinyl laurate copolymer dewaxing aids |
Abraham R. DeKraker, Albert Rossi |
1986-06-10 |
| 4592832 |
Process for increasing Bright Stock raffinate oil production |
Duncan J. Bristow, Lawrence J. Evers |
1986-06-03 |
| 4522710 |
Method for increasing deasphalted oil production |
David H. Shaw, James D. Bushnell |
1985-06-11 |
| 4377467 |
Solvent dewaxing waxy hydrocarbon oils using dewaxing aid |
— |
1983-03-22 |
| 4203824 |
Polyvinylpyrrolidone dewaxing aid for bright stocks |
David H. Shaw |
1980-05-20 |