Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4990595 | Process for lowering the melt viscosity of aromatic polycarbonates, aromatic polyester carbonates and aromatic and/or araliphatic polyesters with super-critical gases | Karl-Dieter Lohr, Wolfgang Wehnert, Claus Wulff, Wolfgang Arlt, Hanns-Ingolf Paul | 1991-02-05 |