Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7141616 | Radically curable urethane prepolymers and their use in dental materials | Reinhold Hecht, Thomas Lehmann, Gunther Eckhardt, Bernd Gangnus | 2006-11-28 |
| 6908953 | Polymerizable compositions based on epoxides | Wolfgang Weinmann, Oswald Gasser, Rainer Guggenberger, Wolfgang Soglowek, Joachim W. Zech | 2005-06-21 |
| 6833425 | Filler for plastic formulations based on polyurethane | Reinhold Hecht, Bernd Gangnus | 2004-12-21 |
| 6599960 | Storage-stable cationcally polymerized preparations with improved hardening characteristics | Gunther Eckhardt, Erich Wanek, Ursula Somnitz | 2003-07-29 |
| 6395801 | Impression compositions comprising triglycerides | Peter Bissinger, Erich Wanek | 2002-05-28 |
| 6335413 | Hardenable mass with silane dendrimers | Joachim W. Zech | 2002-01-01 |
| 6245828 | Polymerizable compositions based on epoxides | Wolfgang Weinmann, Oswald Gasser, Rainer Guggenberger, Wolfgang Soglowek, Joachim W. Zech | 2001-06-12 |
| 6127449 | Impression compositions comprising triglycerides | Peter Bissinger, Erich Wanek | 2000-10-03 |
| 5968998 | Dental compositions comprising bifunctional or polyfunctional acrylic-acid esters or methacrylic-acid esters | Peter Jochum, Rainer Guggenberger, Klaus Ellrich | 1999-10-19 |
| 5750589 | Hydrophilated dental impression compounds | Joachim W. Zech, Erich Wanek, Peter Bissinger | 1998-05-12 |
| 5583164 | Dental compositions comprising bifunctional or polyfunctional acrylic-acid esters or methacrylic-acid esters | Peter Jochum, Rainer Guggenberger, Klaus Ellrich | 1996-12-10 |
| 5086148 | Polyether-impression material and method for its preparation and use | Peter Jochum, Oswald Gasser, Wolf-Dietrich Zahler, Rainer Guggenberger, Klaus Ellrich | 1992-02-04 |
| 4946901 | Polymerizable compositions, process for the preparation thereof, and use thereof as dental compositions | Klaus Ellrich, Rainer Guggenberger, Oswald Gasser | 1990-08-07 |
| 4867790 | Dental composition containing an aziridine compound and method of preparation | Peter Jochum, Wolf-Dietrich Zahler, Oswald Gasser, Klaus Ellrich | 1989-09-19 |