Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8481116 | Method for producing a coated basic material for a hydraulic composition, coated basic material for a hydraulic composition, additive for a hydraulic composition and method for producing a hydraulic composition | Alexander Bleibler, Urs Mader, Christian Bürge, Ralf Beissel, Beat Schnider | 2013-07-09 |
| 4563204 | Method and apparatus for withdrawing a bottom product from a low-temperature rectifying column | Martin Schaub | 1986-01-07 |