| Patents for B29K 483 - Use of polymers having silicon, with or without sulfur, nitrogen, oxygen or carbon only, in the main chain, as filler (2) | |
|---|---|
| 11/1996 | |
| 11/12/1996 | US5573189 Silicon dioxide, particle size |
| 06/1995 | |
| 06/14/1995 | DE4442871A1 Extrudierbare Masse und Verfahren zum Herstellen An extrudable composition and method of making |