Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6583315 | Process for preparing ethanebis(alkylphosphinic) acids | Martin Sicken, Hans-Peter Schmitz | 2003-06-24 |
| 6569974 | Polymeric phosphinic acids and salts thereof | Martin Sicken, Hans-Peter Schmitz | 2003-05-27 |
| 6534673 | Process for preparing salts of dialkylphosphinic acids | Hans-Peter Schmitz, Gunter Kolbe | 2003-03-18 |