Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6547992 | Flame retardant combination for thermoplastic polymers l | Elke Schlosser, Wolfgang Wanzke | 2003-04-15 |
| 6509401 | Synergistic flame retardant combination of salts of 1-hydroxy-dihydrophosphole oxides and/or 1-hydroxyphospholane oxides and nitrogen compounds for use in polymers | Elke Jenewein, Wolfgang Wanzke | 2003-01-21 |