Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5024711 | Method for preparing a substrate surface for bonding with a synthetic resin by applying a layer by sand blasting | Rainer Guggenberger, Bernd K. Burger | 1991-06-18 |
| 5008303 | Molding composition for making casting patterns | Rainer Guggenberger, Klaus Ellrich | 1991-04-16 |
| 4978359 | Prosthesis shaft | Klaus Wilhelm, Johann Bauer, Werner Schmitt, Wolf-Dietrich Herold, Peter Koran +1 more | 1990-12-18 |
| 4946901 | Polymerizable compositions, process for the preparation thereof, and use thereof as dental compositions | Gunther Lechner, Klaus Ellrich, Rainer Guggenberger | 1990-08-07 |
| 4916805 | Method for the attachment of components to a circuit board using photoactuatable adhesive | Klaus Ellrich, Rainer Guggenberger, Erich Wanek | 1990-04-17 |
| 4882365 | Polymerizable radiopaque dental composition | Klaus Ellrich | 1989-11-21 |
| 4867790 | Dental composition containing an aziridine compound and method of preparation | Peter Jochum, Wolf-Dietrich Zahler, Gunther Lechner, Klaus Ellrich | 1989-09-19 |
| 4795823 | (Meth)acrylic acid esters and the use thereof for preparing dental compositions | Werner Schmitt, Peter Jochum, Wolf-Dietrich Zahler, Heijo Hubner, Manfred Holupirek +1 more | 1989-01-03 |
| 4767798 | Polymerizable radiopaque dental composition | Klaus Ellrich | 1988-08-30 |
| 4720319 | Method for applying retention means onto casting patterns of dental prosthetic metal constructions | — | 1988-01-19 |
| 4542172 | Dental cement containing polyvinyl butyral as an additive | Peter Jochum | 1985-09-17 |
| 4532268 | Imidazole agent for retarding the polymerization of aziridine compounds | Peter Jochum, Heijo Hubner | 1985-07-30 |
| 4527979 | Powdered dental material and process for the preparation thereof | John W. McLean | 1985-07-09 |
| 4464941 | Device for the contactless metering of liquids | Wolf-Dietrich Herold, Gunter Pieper | 1984-08-14 |
| 4376835 | Calcium depleted aluminum fluorosilicate glass powder for use in dental or bone cements | Werner Schmitt, Robert Purrmann, Peter Jochum | 1983-03-15 |
| 4360605 | Mixing component for dental glass ionomer cements | Werner Schmitt, Robert Purrmann, Peter Jochum | 1982-11-23 |
| 4351853 | Method for producing prosthetic dental appliances by photopolymerizing a shapeable mass | Peter Jochum | 1982-09-28 |