Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5672787 | Process for preparing 1,1,1,4,4,4-hexafluorobutane in the liquid phase | Norbert Lui, Albrecht Marhold | 1997-09-30 |
| 5646196 | C.sub.3 to C.sub.5 polyfluorcalkanes propellants | Claus-Dieter Sommerfeld, Wilhelm Lamberts, Albrecht Marhold, Michael Negele | 1997-07-08 |
| 5624970 | C.sub.3 to C.sub.5 polyfluorcalkanes propellants | Claus-Dieter Sommerfeld, Wilhelm Lamberts, Albrecht Marhold, Michael Negele | 1997-04-29 |