Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4483837 | Process for making calciummonohydrogen phosphate dihydrate | Josef Holz, Hans Haas, Friedrich Schulte | 1984-11-20 |
| 4183728 | Process for determining the ozone content of ozone-containing gas mixtures | Ortwin Leitzke, Erhard Albrecht | 1980-01-15 |