Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6359171 | Process for preparing dialkylphosphinic acids and their salts | Norbert Weferling, Martin Sicken, Hans-Peter Schmitz | 2002-03-19 |
| 6355832 | Processing for preparing salts of dialkylphosphinic acids | Norbert Weferling, Hans-Peter Schmitz | 2002-03-12 |