Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5645648 | Process for cleaning and disinfecting devices in the brewing industry | Peter Mesters, Robert Rixen | 1997-07-08 |
| 4403059 | Storage-stable aqueous alkali metal silicate/filler adhesive compositions and their use | Wolfgang Friedemann, Gerd Krapp | 1983-09-06 |
| 4361659 | Adhesives and coating materials based upon alkali metal silicate solutions | Wolfgang Friedemann | 1982-11-30 |