| 7033486 |
Residuum conversion process |
Martin L. Gorbaty, Michael Siskin |
2006-04-25 |
| 6652739 |
Process for deasphalting residua by reactive recycle of high boiling material |
Willibald Serrand, Norman H. Sweed, Hans-Jurgen Weiss, Ingo Dreher, Udo Zentner +1 more |
2003-11-25 |
| 6352638 |
Two-stage process for converting residua to gasoline blendstocks and light olefins |
Willibald Serrand |
2002-03-05 |
| 6179993 |
Process for obtaining olefins from residual feedstocks |
Noel M. Seimandi, Tony T. Cheng, Willibald Serrand, Paul K. Ladwig, John F. Pagel +2 more |
2001-01-30 |
| 5952539 |
Dual process for obtaining olefins |
Noel M. Seimandi, Tony T. Cheng, Willibald Serrand, Paul K. Ladwig, John F. Pagel +2 more |
1999-09-14 |
| 5919352 |
Integrated residua upgrading and fluid catalytic cracking |
Willibald Serrand, David G. Hammond, John F. Pagel, Martin C. Poole |
1999-07-06 |
| 5879536 |
Two-stage process for obtaining significant olefin yields from residua feedstocks |
Willibald Serrand |
1999-03-09 |
| 5879535 |
Two-stage process for obtaining significant olefin yields from residua feedstocks |
Willibald Serrand, Michael R. Parrish, David G. Hammond |
1999-03-09 |
| 5714056 |
Process for deasphalting residua (HEN9511) |
David G. Hammond, John F. Pagel, Martin C. Poole, Willibald Serrand |
1998-02-03 |
| 5714663 |
Process for obtaining significant olefin yields from residua feedstocks |
Willibald Serrand, Paul K. Ladwig, John F. Pagel, Michael R. Parrish, Noel M. Seimandi +1 more |
1998-02-03 |
| 5658455 |
Fluidized bed coking process |
David G. Hammond, John F. Pagel, Martin C. Poole, Robert C. Green, Willibald Serrand |
1997-08-19 |