Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5275640 | Process for obtaining nitrogen from air or nitrogen-containing gases by pressure swing adsorption on carbon molecular sieves | Hans-Jurgen Schroter, Heinrich Heimbach, Ferdinand Tarnow | 1994-01-04 |