Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6509401 | Synergistic flame retardant combination of salts of 1-hydroxy-dihydrophosphole oxides and/or 1-hydroxyphospholane oxides and nitrogen compounds for use in polymers | Bernd Nass, Wolfgang Wanzke | 2003-01-21 |
| 6365071 | Synergistic flame protection agent combination for thermoplastic polymers | Hans-Jerg Kleiner, Wolfgang Wanzke, Winfried Budzinsky | 2002-04-02 |
| 6229044 | Alkyl-1-alkoxyethylphosphinous acid aluminum salts | Hans-Jerg Kleiner, Wolfgang Wanzke | 2001-05-08 |