Issued Patents 1997
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679955 | Spectroscopic method | Luc Thevenaz | 1997-10-21 |
| 5668275 | Process for bleaching alkyl polyglycosides | Jurgen Grutzke | 1997-09-16 |
| 5648475 | Process for preparing alkyl glycosides having a low degree of glycosidation | Jurgen Grutzke | 1997-07-15 |
| 5646038 | Process for bleaching surfactant solutions | Juergen Gruetzke | 1997-07-08 |
| 5641873 | Process for preparing alkyl oligoglycosides | Jurgen Grutzke | 1997-06-24 |
| 5633358 | Process for bleaching aqueous surfactant solutions | Juergen Gruetzke, Gerda Grund, Uwe Tanger | 1997-05-27 |