Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5478620 | Multilayer plastic pipe | Hubertus Ohm, Hans-Dieter Herrmann, Hans Ries | 1995-12-26 |
| 5449024 | Multilayer plastic pipe | Stefan Rober, Roland Feinauer, Hans-Dieter Herrmann, Hans Jadamus, Hans Ries | 1995-09-12 |
| 5425817 | Multilayer plastic pipe with polyamide inner and outer layers and a linear crystalline polyester intermediate layer | Stefan Rober | 1995-06-20 |
| 5404915 | Multilayer plastic pipe | Stefan Rober, Hans-Dieter Herrmann, Hans Ries | 1995-04-11 |
| 5389410 | Thermoplastic multilayer composites of polyamide and linear crystalline polyester blends | Stefan Rober, Hans Jadamus | 1995-02-14 |
| 5378769 | Molding compositions containing a polycondensation product of a polyamide, a polyester and a compatibilizer | Friedrich Sosna | 1995-01-03 |
| 5362529 | Thermoplastic laminates | Stefan Rober, Roland Feinauer, Hans Jadamus | 1994-11-08 |
| 5362570 | Thermoplastic multilayer composites | Stefan Rober, Hans Jadamus | 1994-11-08 |
| 5313987 | Multilayer plastic pipe comprising an outer polyamide layer and a layer of a molding formed from a mixture of thermoplastic polyester and a compound having at least two isocyanate groups | Stefan Rober, Roland Feinauer, Hans Jadamus, Hans-Dieter Herrmann, Hans Ries | 1994-05-24 |
| 5258213 | Multilayer thermoplastic composites | Hubertus Ohm, Christian Gerth | 1993-11-02 |
| 5252647 | Thermoplastic moulding materials based on polyphenylene ethers and polyamides | Udo Kowalczik, Friedrich Georg Schmidt | 1993-10-12 |
| 5039746 | Thermoplastic molding compounds based on functionalized polyphenylene ethers and polyamides | Wolfgang Neugebauer, Martin Bartmann, Udo Kowalczik | 1991-08-13 |