Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4997912 | Esters of fatty acids, which may be quaternized, from oxalkylated alkylalkylenediamines | Herbert Wirtz, Hermann Hoffmann, Werner Ritschel, Manfred Hofinger, Michael Mitzlaff | 1991-03-05 |