Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6547948 | Method of increasing the concentration of dilute brine in NaCl electrolysis plants using the membrane process | Alfred Soppe, Klaus Geisler | 2003-04-15 |
| 6395155 | Electrolysis plate | Hans-Joachim Kramann | 2002-05-28 |