Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4990605 | Method of manufacturing alkyloligoglycosides | — | 1991-02-05 |
| 4985154 | Process for the extraction of crude oil from an underground deposite using surfactants | Dieter Balzer | 1991-01-15 |
| 4898934 | Process for manufacturing light-colored alkyloligogycosides and alkylglycosides | Peter Hofmann | 1990-02-06 |
| 4861513 | Preparation of specifically adjusted polyalcohol mixtures based on sorbitol | Hans-Josef Ratajczak, Ekkehard Wienhoefer | 1989-08-29 |
| 4847368 | Method of manufacturing alkyloligoglycosides | Peter Hofmann | 1989-07-11 |
| 4820814 | Process for producing colorless butyloligoglycosides | — | 1989-04-11 |