Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11987757 | Processes for producing diesel from unconventional feedstocks | Yihua Zhang, Guan-Dao Lei, Adeola Florence Ojo | 2024-05-21 |
| 9809760 | Method for producing a base oil having high weight percent total molecules with cycloparaffinic functionality and low weight percent molecules with multicycloparaffinic functionality | John M. Rosenbaum, Nancy J. Bertrand, Scott C. Deskin, Stephen J. Miller, Susan M. Abernathy | 2017-11-07 |
| 9677016 | Catalytic processes and systems for base oil production using zeolite SSZ-32X | Guan-Dao Lei | 2017-06-13 |
| 9616419 | Hydroisomerization catalyst manufactured using a high nanopore volume alumina supports | Yihua Zhang, Guan-Dao Lei, Theodorus Ludovicus Michael Maesen | 2017-04-11 |
| 8882989 | Lubricating base oil manufacturing plant for producing base oils having desired cycloparafinic functionality | John M. Rosenbaum, Nancy J. Bertrand, Scott C. Deskin, Stephen J. Miller, Susan M. Abernathy | 2014-11-11 |
| 8790507 | Catalytic processes and systems for base oil production using zeolite SSZ-32x | Guan-Dao Lei | 2014-07-29 |
| 8617387 | Catalytic processes and systems for base oil production from light feedstock | Guan-Dao Lei | 2013-12-31 |
| 8475648 | Catalytic processes and systems for base oil production from heavy feedstock | Guan-Dao Lei | 2013-07-02 |
| 8431014 | Process and catalyst system for improving dewaxing catalyst stability and lubricant oil yield | James N. Ziemer, Andrew Rainis, Joseph A. Biscardi, Thomas V. Harris | 2013-04-30 |
| 7763161 | Process for making lubricating base oils with high ratio of monocycloparaffins to multicycloparaffins | John M. Rosenbaum, Nancy J. Bertrand, Scott C. Deskin, Stephen J. Miller, Susan M. Abernathy | 2010-07-27 |
| 7569507 | Preparing small crystal SSZ-32 and its use in a hydrocarbon conversion process | Stacey I. Zones, Guang Zhang, Joseph A. Biscardi, Paul J. Marcantonio, Euthimios Vittoratos | 2009-08-04 |
| 7468126 | Preparing small crystal SSZ-32 and its use in a hydrocarbon conversion process | Stacey I. Zones, Guang Zhang, Joseph A. Biscardi, Paul J. Marcantonio, Euthimios Vittoratos | 2008-12-23 |
| 7390763 | Preparing small crystal SSZ-32 and its use in a hydrocarbon conversion process | Stacey I. Zones, Guang Zhang, Joseph A. Biscardi, Paul J. Marcantonio, Euthimios Vittoratos | 2008-06-24 |
| 6723889 | Process for producing a highly paraffinic diesel fuel having a high iso-paraffin to normal paraffin mole ratio | Stephen J. Miller, Arthur J. Dahlberg, Russell R. Krug | 2004-04-20 |
| 6468418 | Sorbent treating of lubricating oils to remove haze precursors | Joseph A. Biscardi, John M. Rosenbaum, Nadine L. Yenni, R. Larry Howell, Krishnia Parimi | 2002-10-22 |
| 6468417 | Filtering lubricating oils to remove haze precursors | Joseph A. Biscardi, John M. Rosenbaum, Nadine L. Yenni, R. Larry Howell | 2002-10-22 |
| 6458265 | Diesel fuel having a very high iso-paraffin to normal paraffin mole ratio | Stephen J. Miller, Arthur J. Dahlberg, Russell R. Krug | 2002-10-01 |
| 6204426 | Process for producing a highly paraffinic diesel fuel having a high iso-paraffin to normal paraffin mole ratio | Stephen J. Miller, Arthur J. Dahlberg, Russell R. Krug | 2001-03-20 |