| 6355159 |
Dissolution and stabilization of thermally converted bitumen |
Ronald D. Myers, Mainak Ghosh, Michelle A. Young, Tapan Chakrabarty, Irwin A. Wiehe |
2002-03-12 |
| 5795464 |
Conversion of the organic component from tar sands to lower boiling products |
Peter S. Maa, Roby Bearden, Jr. |
1998-08-18 |
| 5236577 |
Process for separation of hydrocarbon from tar sands froth |
Robert N. Tipman |
1993-08-17 |
| 4462895 |
Combination visbreaking and hydrorefining with recycle of hydrorefined bottoms |
Omer Biceroglu |
1984-07-31 |
| 4461698 |
Solvent dewaxing waxy hydrocarbon distillate oils using a combination wax-naphthalene condensate and poly-dialkylfumarate/vinyl acetate copolymer dewaxing aid |
Cedric Briens |
1984-07-24 |
| 4451353 |
Solvent dewaxing waxy hydrocarbon distillates using a combination poly acrylate polymer and polymethacrylate polymer dewaxing aid |
Cedric Briens, Patrick C. Ewener |
1984-05-29 |
| 4406771 |
Solvent dewaxing waxy hydrocarbon oil distillates using a combination poly di-alkyl fumarate-vinyl acetate copolymer having pendent carbon side chain length of predominantly C.sub.22 and polyalkyl(meth-)acrylate polymer dewaxing aid |
Cedric Briens |
1983-09-27 |