Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8366908 | Sour service hydroprocessing for lubricant base oil production | Krista Marie Prentice, Gary P. Schleicher, Lei Zhang, Timothy L. Hilbert, Michel Daage +7 more | 2013-02-05 |
| 6317654 | Control of crude refining by a method to predict lubricant base stock's ultimate lubricant preformance | James W. Gleeson, Eugenio Sanchez, Viswanathan Visweswaran | 2001-11-13 |
| 6295485 | Control of lubricant production by a method to predict a base stock's ultimate lubricant performance | James W. Gleeson, Eugenio Sanchez, Viswanathan Visweswaran | 2001-09-25 |
| 5360530 | Lubricating oil dewaxing using membrane separation of cold solvent from dewaxed oil and recycle of cold solvent to filter feed | Ronald M. Gould, Albert R. Nitsch, Howard Edwin SPENCER | 1994-11-01 |
| 4828575 | Drying low rank coal and retarding spontaneous ignition | Edward J. Bellow, John C. Bixel, Tsoung Y. Yan | 1989-05-09 |
| 4828576 | Drying low rank coal and retarding spontaneous ignition | John C. Bixel, Edward J. Bellow, Sandra H. Facinelli | 1989-05-09 |
| 4788040 | Inlet distributor for fixed bed catalytic reactor | Joseph F. Campagnolo, Jr., Tai-Sheng Chou, John D. Ruggles | 1988-11-29 |
| 4737264 | Heavy oil distillation system | Albert R. Nitsch | 1988-04-12 |
| 4670133 | Heavy oil coking process | Albert R. Nitsch | 1987-06-02 |