Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6323363 | Amphiphilic compounds with at least two hydrophilic and at least two hydrophobic groups based on dicarboxylic acid diamides | Klaus Kwetkat, Silvia Scholz | 2001-11-27 |
| 6211409 | Process for preparing mono-, Di- or oligoamide alkoxylates | Uwe Kaltwasser, Klaus Kwetkat, Ernst-Jurgen Lehmann | 2001-04-03 |