Issued Patents 1982
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4360682 | Stabilizing caprolactones with dihydroxybenzenes | Herbert Klenk, Rolf Wirthwein, Helmut Waldmann | 1982-11-23 |
| 4344897 | Process for the preparation of percarboxylic acid solutions | Ralf Goedecke, Willi Hofen, Gerd Siekmann | 1982-08-17 |
| 4341709 | Preparation of .epsilon.-caprolactone | Willi Hofen, Herbert Klenk, Gerd Schreyer, Otto Weiberg, Helmut Waldmann +2 more | 1982-07-27 |
| RE30945 | Process for the preparation of propylene oxide | Guter Prescher, Gerd Schreyer, Otto Weiberg, Rolf Wirthwein, Helmut Waldmann +2 more | 1982-05-25 |
| 4324925 | Process for the preparation of polyhydric phenols | Christoph Jupe, Helmut Waldmann | 1982-04-13 |