Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5130348 | Polyether impression materials containing polyalkylene oxide derivatives | Oswald Gasser, Klaus Ellrich | 1992-07-14 |
| 5086148 | Polyether-impression material and method for its preparation and use | Peter Jochum, Oswald Gasser, Gunther Lechner, Rainer Guggenberger, Klaus Ellrich | 1992-02-04 |
| 4867790 | Dental composition containing an aziridine compound and method of preparation | Peter Jochum, Oswald Gasser, Gunther Lechner, Klaus Ellrich | 1989-09-19 |
| 4795823 | (Meth)acrylic acid esters and the use thereof for preparing dental compositions | Werner Schmitt, Peter Jochum, Heijo Hubner, Manfred Holupirek, Oswald Gasser +1 more | 1989-01-03 |