Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5376715 | Heat stabilization or aromatic polycarbonates | Jurgen Kirsch, Karsten-Josef Idel, Klaus Kircher, Charles E. Lundy | 1994-12-27 |
| 5357028 | Method of preparing polycarbonates and polyester carbonates | Ralf Pakull, Werner Struver, Jurgen Kirsch | 1994-10-18 |
| 5302774 | Process for the production of bisphenols | Klaus Berg, Hans-Josef Buysch, Alfred Eitel, Otto Immel, Ralf Pakull +2 more | 1994-04-12 |
| 5288923 | Preparation of ethers of diphenols | Wolfgang Jacob, Manfred Ehlert | 1994-02-22 |