Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4344897 | Process for the preparation of percarboxylic acid solutions | Ralf Goedecke, Hermann Seifert, Gerd Siekmann | 1982-08-17 |
| 4341709 | Preparation of .epsilon.-caprolactone | Herbert Klenk, Gerd Schreyer, Otto Weiberg, Helmut Waldmann, Hermann Seifert +2 more | 1982-07-27 |