Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6554965 | Rectification column for isolating pure substances from high boiling air-and/or temperature sensitive substances | Horst Hartmann, Wolfram Burst, Harald Laas, Paul Grafen, Bernhard Bockstiegel +1 more | 2003-04-29 |