Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6806383 | Process for preparing (metal) alkylphosphonites I | Norbert Weferling | 2004-10-19 |
| 6770779 | Process for preparing alkylphosphonite esters | Norbert Weferling, Hans-Peter Schmitz, Gunter Kolbe | 2004-08-03 |
| 6727335 | Polymeric phosphinic acids and salts thereof | Norbert Weferling, Hans-Peter Schmitz | 2004-04-27 |