Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4539195 | Basic magnesium aluminum hydroxycarbonate | Klaus Schanz, Hartmut Grund, Peter Klehr | 1985-09-03 |
| 4222989 | Method for the manufacture of pure aluminum oxide from aluminum ore | Milan Belsky, Gunter Winkhaus, Joseph Schierholt | 1980-09-16 |