Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5298592 | Preparation of polyaryl ethers with nitrogen compound catalysts | Alexander Aumueller, Gerhard Heinz, Bernd Hupfeld, Christiane Husemann, Juergen Koch +1 more | 1994-03-29 |