Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5342961 | Process for the production of low-viscosity imidazolinium surfactants by quaternization of 1-hydroxyethyl-2-alkyl imidazolines | Guenter Uphues, Sven Jaensch, Uwe Ploog | 1994-08-30 |