Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7997426 | Acid tolerant polymeric membrane and process for the recovery of acid using polymeric membranes | Bhupender S. Minhas, Dennis G. Peiffer, Michael Mayers, William Alfred Feehley, Jr. | 2011-08-16 |
| 7048846 | Membrane separation for sulfur reduction | Richard Franklin Wormsbecher, Markus Lesemann | 2006-05-23 |
| 7041212 | Membrane separation for sulfur reduction | Richard Franklin Wormsbecher, Markus Lesemann | 2006-05-09 |
| 7018527 | Membrane separation for sulfur reduction | Richard Franklin Wormsbecher, Markus Lesemann | 2006-03-28 |
| 6896796 | Membrane separation for sulfur reduction | Richard Franklin Wormsbecher, Markus Lesemann | 2005-05-24 |
| 6187987 | Recovery of aromatic hydrocarbons using lubricating oil conditioned membranes | Arthur A. Chin, Bryan M. Knickerbocker, Jeffrey C. Trewella, Terry R. Waldron | 2001-02-13 |
| 6180008 | Polyimide membranes for hyperfiltration recovery of aromatic solvents | — | 2001-01-30 |
| 5824405 | Barrier membrane for protective clothing | — | 1998-10-20 |
| 5651877 | Lubricating oil dewaxing with membrane separation | Ronald M. Gould, Harold A. Kloczewski, Krishna S. Menon, Thomas E. Sulpizio | 1997-07-29 |
| 5429748 | Polymide membrane for separation of solvents from lube oil | I-Fan Wang, Bhupender S. Minhas | 1995-07-04 |
| 5264166 | Polyimide membrane for separation of solvents from lube oil | I-Fan Wang, Bhupender S. Minhas | 1993-11-23 |
| 5151183 | Reduction of membrane fouling by surface fluorination | Robert Henry Sedath, Donald R. Taylor | 1992-09-29 |
| 5108383 | Membranes for absorbent packets | — | 1992-04-28 |