Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5744010 | Process for the preparation of the non-toxic salts of 6-methyl-3,4-dihydro-1,2,3-oxathiazin-4-one 2,2-dioxide and arrangement for carrying out this process | Gunter Roscher, Heinz Litterer, Axel Engelmann, Wolf-Dietmar Kaufmann, Hans-Dietmar Schnabel | 1998-04-28 |
| 5490936 | Process for catalyst recovery | Ernst I. Leupold, Wolf-Dietmar Kaufmann, Gunther Duchatsch, Ulrich Meyer-Blumenroth | 1996-02-13 |
| 5475128 | Process for preparing dialkyl vinylphosphonates | Gunter Roscher, Wolf-Dietmar Kaufmann | 1995-12-12 |