Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6218461 | Silicone composition curing at room temperature and the use thereof | Michael Freckmann, Klaus-Dieter Nehren | 2001-04-17 |
| 5925723 | Catalyst/cross-linking agent compositions, a method for their preparation and their use | Robert Friebe, Reiner Voigt | 1999-07-20 |
| 5548002 | Provisional luting materials | Ottfried Schlak, Jens Winkel, Rainer Guggenberger, Oswald Gasser | 1996-08-20 |
| 5520726 | Casting investment compounds | Martin Grunwald, Lothar Puppe | 1996-05-28 |
| 5304239 | Dental investment compounds in the form of a powder with improved flow properties | Karl-Wilhelm Theis, Reiner Voight, Jens Winkel | 1994-04-19 |
| 5179186 | Photosetting impression materials | Hanns P. Muller, Reiner Voigt, Jens Winkel | 1993-01-12 |
| 5118290 | Process for preparation of dental impressions | Hanns P. Muller | 1992-06-02 |
| 5095045 | Plastics which cure in a series of steps having urethane, urea, siloxane and acrylate groups | Jens Winkel, Hanns P. Muller | 1992-03-10 |
| 5077335 | Optically clear silicone compositions | Reiner Voigt, Ottfried Schlak, Otto-Christian Geyer | 1991-12-31 |
| 5028638 | Hybrid plastic filling material | Renate Heid, Jens Winkel, Heiko Herold, Werner Finger, Wolfgang Podszun | 1991-07-02 |
| 4965295 | Dimensionally stable impression compositions | Ottfried Schlak, Gottfried Knispel, Reiner Voigt | 1990-10-23 |
| 4891400 | Silicone molding compounds | Reiner Voigt, Ottfried Schlak | 1990-01-02 |
| 4737537 | Colored silicone composition | Reiner Voigt | 1988-04-12 |
| 4695322 | Dust-free alginate impression materials | Reiner Voigt | 1987-09-22 |
| 4670053 | Molding material and process for its preparation | Dieter Kooke | 1987-06-02 |
| 4614758 | Use of paraffin waxes or microwaxes for silicone pastes, and the packaging and use thereof | Reiner Voigt | 1986-09-30 |
| 4609687 | Modified fillers for silicone dental pastes | Reiner Voigt | 1986-09-02 |
| 4568707 | Silicone pastes formulated with a structural viscosity for impression materials | Reiner Voigt | 1986-02-04 |
| 4544683 | Inorganic-organic fixed-dressings and a process for their production | Peter Muller, Kuno Wagner, Christian Wegner | 1985-10-01 |
| 4384097 | Contact lenses of methyl methacrylate copolymers | Frank Wingler, Bernd Leusner, Otto-Christian Geyer | 1983-05-17 |