Issued Patents All Time
Showing 25 most recent of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8795547 | Refrigeration oil from gas-to-liquid-derived and bio-derived triesters | Ravindra Shah, Stephen J. Miller, Saleh Elomari | 2014-08-05 |
| 8585919 | Refrigeration oil from gas-to-liquid derived and bio-derived diesters | Ravindra Shah, Stephen J. Miller, Saleh Elomari | 2013-11-19 |
| 8480879 | Process for improving lubricating qualities of lower quality base oil | John M. Rosenbaum, Brent K. Lok, John V. O'Brien, Stephen J. Miller | 2013-07-09 |
| 8051020 | Base oil properties expert system | Ajit Ramchandra Pradhan, John M. Rosenbaum, Nancy J. Bertrand, Allan G. Hee, Max I. Chang | 2011-11-01 |
| 7282134 | Process for manufacturing lubricating base oil with high monocycloparaffins and low multicycloparaffins | Susan M. Abernathy, John M. Rosenbaum, Stephen J. Miller, Russell R. Krug | 2007-10-16 |
| 7195706 | Finished lubricating comprising lubricating base oil with high monocycloparaffins and low multicycloparaffins | Susan M. Abernathy, John M. Rosenbaum, Stephen J. Miller, Russell R. Krug, James N. Ziemer +2 more | 2007-03-27 |
| 7144497 | Blending of low viscosity Fischer-Tropsch base oils with conventional base oils to produce high quality lubricating base oils | Brent K. Lok, John M. Rosenbaum, Joseph Pudlak | 2006-12-05 |
| 7141157 | Blending of low viscosity Fischer-Tropsch base oils and Fischer-Tropsch derived bottoms or bright stock | John M. Rosenbaum, Joseph Pudlak | 2006-11-28 |
| 7083713 | Composition of lubricating base oil with high monocycloparaffins and low multicycloparaffins | Susan M. Abernathy, John M. Rosenbaum, Stephen J. Miller, Russell R. Krug | 2006-08-01 |
| 6905593 | Method for removing calcium from crude oil | Donald L. Kuehne, Lisa Paige Hawker | 2005-06-14 |
| RE38532 | Hydrodealkylation processes | John V. Heyse, Bernard F. Mulaskey, Robert A. Innes, Daniel P. Hagewiesche, William J. Cannella | 2004-06-08 |
| 6187725 | Process for making an automatic transmission fluid composition | John A. Zakarian, Jay M. Peterson, Russell R. Krug, Jaime Lopez, Stephen Kevin Lee +2 more | 2001-02-13 |
| 6110879 | Automatic transmission fluid composition | John A. Zakarian, Jay M. Peterson, Russell R. Krug, Jaime Lopez, Stephen Kevin Lee +2 more | 2000-08-29 |
| 6086749 | Catalyst and method for hydroprocessing a hydrocarbon feed stream in a reactor containing two or more catalysts | Bruce E. Stangeland | 2000-07-11 |
| 5866743 | Hydrodealkylation processes | John V. Heyse, Bernard F. Mulaskey, Robert A. Innes, Daniel P. Hagewiesche, William J. Cannella | 1999-02-02 |
| 5849969 | Hydrodealkylation processes | John V. Heyse, Bernard F. Mulaskey, Robert A. Innes, Daniel P. Hagewiesche, William J. Cannella | 1998-12-15 |
| 5733440 | Catalyst, method and apparatus for an on-stream particle replacement system for countercurrent contact of a gas and liquid feed stream with a packed bed | Bruce E. Stangeland, David S. Smith, James T. McCall, Georgieanna L. Scheuerman, Robert W. Bachtel +1 more | 1998-03-31 |
| 5599440 | Catalyst method and apparatus for an on-stream particle replacement system for countercurrent contact of a gas and liquid feed stream with a packed bed | Bruce E. Stangeland, David S. Smith, James T. McCall, Georgieanna L. Scheuerman, Robert W. Bachtel +1 more | 1997-02-04 |
| 5593573 | Demetalation of hydrocarbonaceous feedstocks using sulfuric acid and salts thereof | — | 1997-01-14 |
| 5498327 | Catalyst, method and apparatus for an on-stream particle replacement system for countercurrent contact of a gas and liquid feed stream with a packed bed | Bruce E. Stangeland, David S. Smith, James T. McCall, Georgieanne L. Scheuerman, Robert W. Bachtel +1 more | 1996-03-12 |
| 5472928 | Catalyst, method and apparatus for an on-stream particle replacement system for countercurrent contact of a gas and liquid feed stream with a packed bed | Georgieanna L. Scheuerman, David Johnson | 1995-12-05 |
| 5409598 | Method of hydroprocessing | Bruce E. Stangeland, David S. Smith, James T. McCall, Georgieanna L. Scheuerman, Robert W. Bachtel | 1995-04-25 |
| 5302357 | Apparatus for an on-stream particle replacement system for countercurrent contact of a gas and liquid feed stream with a packed bed | Bruce E. Stangeland, David S. Smith, James T. McCall, Georgieanna L. Scheuerman, Robert W. Bachtel | 1994-04-12 |
| 5298152 | Process to prevent catalyst deactivation in activated slurry hydroprocessing | — | 1994-03-29 |
| 5294329 | Process to prevent catalyst deactivation in activated slurry hydroprocessing | — | 1994-03-15 |