Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8642518 | Recovery of lubricants from used cooling lubricants | Oliver Seiferth | 2014-02-04 |
| 5254224 | Method for increasing the molar ratio of aluminum to chlorine in polyaluminum chloride solutions | Karl-Heinz Blaufuss | 1993-10-19 |
| 4668486 | Method for removing organic substances from caustic aluminate liquors | Neil Brown, Manfred Fuchs | 1987-05-26 |
| 4568192 | High temperature magnetic stirrer | Karl-Heinz Blaufuss | 1986-02-04 |