Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833253 | Process for the production of low-viscosity amphoteric surfactants | Uwe Ploog, Guenter Uphues | 1989-05-23 |
| 4600523 | Hydroxyalkyl polyethylene glycol ether foam inhibitors | Robert Piorr, Hans-Joachim Schluessler | 1986-07-15 |
| 4492802 | Process for manufacture of quaternary ammonium compounds | Horst Rutzen, Martin Bischoff, Rudolf Lehmann | 1985-01-08 |