Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6420598 | Process for preparing alkylphosphonic acids | Norbert Weferling, Hans-Peter Schmitz | 2002-07-16 |
| 6388125 | Process for preparing phosphinic acids | Hans-Peter Schmitz | 2002-05-14 |
| 6380273 | Process for producing flame-retardant flexible polyurethane foams | Christian Eilbracht | 2002-04-30 |
| 6359171 | Process for preparing dialkylphosphinic acids and their salts | Norbert Weferling, Gunter Kolbe, Hans-Peter Schmitz | 2002-03-19 |