Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6258926 | Process and device for producing high-viscosity or highly stabilized reaction-stable polyamides, and for continuously demonomerizing polyamides | Karl-Heinz Wiltzer, Hans Brutting, Peter Lausmann | 2001-07-10 |
| 6136947 | Process and device for the standardized continuous production of polyamides | Karlheinz Wiltzer, Peter Lausmann | 2000-10-24 |
| 6107449 | Process and device for continuous production of polyamides | Karlheinz Wiltzer, Mattias Schuster | 2000-08-22 |
| 5973105 | Process for continuously preparing a polyamide 6 with a low dimer content | Karlheinz Wiltzer, Peter Lausmann | 1999-10-26 |
| 5962538 | Method of continuously producing polyamide 6 using recycled lactam | Karlheinz Wiltzer, Peter Lausmann | 1999-10-05 |
| 5902553 | Method and apparatus for the production of polyamide 6 from polymide waste | Karl-Heinz Wiltzer, Peter Lausmann | 1999-05-11 |
| 5646191 | Method and apparatus for the production of polyamide 6 from polyamide waste | Karl-Heinz Wiltzer, Peter Lausmann | 1997-07-08 |