Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5668093 | Use of alkenylsuccinic acid half-amides | Horst Lorke | 1997-09-16 |
| 5600020 | Process for the preparation of alkoxylates using ester compounds as catalyst | Detlef Wehle, Ignaz Wimmer | 1997-02-04 |
| 5530131 | N-alkyl-n'-poly(oxyalkyl)-hexahydropyrimidines | Herrmann Hoffmann | 1996-06-25 |
| 5326906 | Process for the extractive removal of phospho- and sulfobetaines from acidic reaction solutions | Heribert Tetzlaff, Matthias Krull, Christoph Porz | 1994-07-05 |