Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6568210 | Method and apparatus for obtaining a gaseous product by cryogenic air separation | — | 2003-05-27 |
| 6564581 | Three-column system for the low-temperature fractionation of air | — | 2003-05-20 |
| 6530242 | Obtaining argon using a three-column system for the fractionation of air and a crude argon column | — | 2003-03-11 |