Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698684 | Process for the production of alkyl glycosides | Karlheinz Hill, Hans-Peter Koehler | 1997-12-16 |
| 5696074 | Liquid crystalline, aqueous surfactant preparations | Dieter Nickel, Rainer Hofmann | 1997-12-09 |
| 5631357 | Nonionic emulsifiers | Petra Riegels, Irmgard Hartel | 1997-05-20 |
| 5612467 | Process for the production of light-colored alkyl oligoglycoside pastes | Burkhard Beckedahl, Irmgard Hartel | 1997-03-18 |