Issued Patents 2011
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8083931 | Upgrading of tar using POX/coker | Paul F. Keusenkothen, Alok Mani Srivastava, James Earl Graham | 2011-12-27 |
| 8083930 | VPS tar separation | Paul F. Keusenkothen, Alok Mani Srivastava, James Earl Graham | 2011-12-27 |
| 8057640 | Deasphalting tar using stripping tower | Subramanian Annamalai, Paul F. Keusenkothen | 2011-11-15 |
| 8025773 | System for extending the range of hydrocarbon feeds in gas crackers | Walter F. Filupeit, Barrington M. Hammond, David J. Duhon, Mark A. Rooney, Robert A. D. Strack +1 more | 2011-09-27 |
| 8025774 | Controlling tar by quenching cracked effluent from a liquid fed gas cracker | Barrington M. Hammond, David J. Duhon, Mark A. Rooney, Robert D. Strack, John R. Messinger | 2011-09-27 |
| 7998281 | Apparatus and method of cleaning a transfer line heat exchanger tube | Arthur R. Di Nicolantonio, Blair H. Margot, Subramanian Annamalai, Stephen J. Vande Stouwe | 2011-08-16 |
| 7993435 | Process and apparatus for cracking hydrocarbon feedstock containing resid | Richard C. Stell, George J. Balinsky, Paul F. Keusenkothen | 2011-08-09 |
| 7977524 | Process for decoking a furnace for cracking a hydrocarbon feed | Richard C. Stell | 2011-07-12 |
| 7972498 | Resid processing for steam cracker feed and catalytic cracking | John S. Buchanan, Paul F. Keusenkothen, Stephen H. Brown, Julian Wolfenbarger, James Earl Graham | 2011-07-05 |
| 7914667 | Pyrolysis reactor conversion of hydrocarbon feedstocks into higher value hydrocarbons | Paul F. Keusenkothen, Frank Hershkowitz | 2011-03-29 |