Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832934 | Process for preparing halogen magnesium alanate and use thereof | Manfred Schwickardi | 1989-05-23 |
| 4829772 | Method of and device for storing and transforming heat and generating cold | Alfred Ritter, Bernd Spliethoff | 1989-05-16 |
| 4828606 | Process for preparing intermetallic compounds or hydrides thereof | Ursula Wilczok | 1989-05-09 |
| 4798718 | Method of preparing active magnesium-hydride of magnesium hydrogen-storer systems | — | 1989-01-17 |