Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE30945 | Process for the preparation of propylene oxide | Guter Prescher, Gerd Schreyer, Otto Weiberg, Rolf Wirthwein, Helmut Waldmann +2 more | 1982-05-25 |
| 4313879 | Process for the manufacture of very pure .epsilon.-caprolactone | Herbert Klenk, Rolf Wirthwein, Gerd Siekmann | 1982-02-02 |