Issued Patents All Time
Showing 76–91 of 91 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5318695 | Fluid cracking process for producing low emissions fuels | Paul E. Eberly, Jr., William E. Winter, William L. Schuette, William A. Wachter | 1994-06-07 |
| 5288712 | Pervaporation process employing permeate recycle | — | 1994-02-22 |
| 5284574 | Improved integrated coking-gasification process with mitigation of slagging | Paul E. Eberly, Jr., Francis X. Mayer | 1994-02-08 |
| 5275726 | Spiral wound element for separation | Joseph L. Feimer, Dean L. Smith, Donald T. Bray, Deborah De La Cruz | 1994-01-04 |
| 5238563 | Multi-element housing | Dean L. Smith, Charles P. Darnell, Richard J. Basile, Burghard H. Ruterbories, David H. Hopkins | 1993-08-24 |
| 5230801 | Recovery of alcohols from n-paraffins by pervaporation | Charles P. Darnell, Russell John Koveal, W. S. Winston Ho | 1993-07-27 |
| 5182024 | Separation of hydrocarbon dewaxing and deasphalting solvents from dewaxed and/or deasphalted oil using interfacially polymerized membrane | — | 1993-01-26 |
| 5120900 | Integrated solvent extraction/membrane extraction with retentate recycle for improved raffinate yield | James R. Sweet | 1992-06-09 |
| 5107058 | Olefin/paraffin separation via membrane extraction | James R. Sweet | 1992-04-21 |
| 5107056 | Selective separation of naphthenes from paraffins by membrane extraction | James R. Sweet | 1992-04-21 |
| 5107059 | Iso/normal paraffin separation by membrane extraction | James R. Sweet | 1992-04-21 |
| 5095170 | Intergrated membrane pre-extraction/solvent extraction of distillates | James R. Sweet | 1992-03-10 |
| 5094737 | Integrated coking-gasification process with mitigation of bogging and slagging | Roby Bearden, Jr., William N. Olmstead | 1992-03-10 |
| 5095171 | Control of oxygen level in feed for improved aromatics/non-aromatics pervaporation (OP-3602) | Joseph L. Feimer | 1992-03-10 |
| 5045206 | Selective multi-ring aromatics extraction using a porous, non-selective partition membrane barrier | James R. Sweet | 1991-09-03 |
| 5039394 | Integrated coking-gasification process with mitigation of slagging | Lloyd A. Pine | 1991-08-13 |