Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6497750 | Pressure swing adsorption process | Kenneth F. Butwell, Steven M. Kuznicki | 2002-12-24 |
| 6444012 | Selective removal of nitrogen from natural gas by pressure swing adsorption | Kenneth F. Butwell | 2002-09-03 |
| 6387159 | Claus feed gas hydrocarbon removal | Kenneth F. Butwell, Steven M. Kuznicki | 2002-05-14 |
| 6380452 | Isomerization process using membrane for recovery of halides | Mark M. Davis, Robert J. Schmidt, Paul J. Kuchar | 2002-04-30 |