Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6034152 | Plaque-inhibiting composites | Bernd K. Burger, Bernd Gangnus | 2000-03-07 |
| 5968998 | Dental compositions comprising bifunctional or polyfunctional acrylic-acid esters or methacrylic-acid esters | Peter Jochum, Gunther Lechner, Klaus Ellrich | 1999-10-19 |
| 5583164 | Dental compositions comprising bifunctional or polyfunctional acrylic-acid esters or methacrylic-acid esters | Peter Jochum, Gunther Lechner, Klaus Ellrich | 1996-12-10 |
| 5569691 | Hydrophilized polyethers | Erich Wanek, Oswald Gasser | 1996-10-29 |
| 5548002 | Provisional luting materials | Peter Schwabe, Ottfried Schlak, Jens Winkel, Oswald Gasser | 1996-08-20 |
| 5520922 | Formable composition and its use as filling material for dental root canals | Oswald Gasser | 1996-05-28 |
| 5424133 | Process for the preparation of substrate surfaces for adhesive bonding | Gunther Eckhardt, Peter Koran, Reinhold Nowak, Bernd K. Burger | 1995-06-13 |
| 5250585 | Dental material in powder form, process for its preparation and use | Klaus Ellrich, Oswald Gasser, John W. McLean, Owen Makinson | 1993-10-05 |
| 5244933 | Dental compositions which can be prepared and worked by the action of oscillations and method for the preparation thereof | Stefan Eidenbenz, Klaus Ellrich, Oswald Gasser, Andreas Iburg, Peter Koran +5 more | 1993-09-14 |
| 5224957 | Method of providing a composition for an eye | Oswald Gasser, Erich Wanek, Klaus-Peter Stefan, Klaus Ellrich | 1993-07-06 |
| 5185184 | Process for preparing a substrate surface for bonding with activatable adhesives by applying an activator-containing layer onto the substrate surface | Peter Koran, Oswald Gasser | 1993-02-09 |
| 5154791 | Method for bonding or potting substrates | Oswald Gasser, Erich Wanek, Klaus Ellrich | 1992-10-13 |
| 5147904 | Open-pored moldings, a process for their production and use thereof | Peter Jochum, Oswald Gasser, Manfred Holupirek, Erich Wanek, Klaus-Peter Stefan +1 more | 1992-09-15 |
| 5100929 | (Polyene-polythiol) dental compositions curable with visible light | Peter Jochum, Oswald Gasser, Erich Wanek, Klaus Ellrich | 1992-03-31 |
| 5086148 | Polyether-impression material and method for its preparation and use | Peter Jochum, Oswald Gasser, Wolf-Dietrich Zahler, Gunther Lechner, Klaus Ellrich | 1992-02-04 |
| 5024711 | Method for preparing a substrate surface for bonding with a synthetic resin by applying a layer by sand blasting | Oswald Gasser, Bernd K. Burger | 1991-06-18 |
| 5008303 | Molding composition for making casting patterns | Oswald Gasser, Klaus Ellrich | 1991-04-16 |
| 4946901 | Polymerizable compositions, process for the preparation thereof, and use thereof as dental compositions | Gunther Lechner, Klaus Ellrich, Oswald Gasser | 1990-08-07 |
| 4927866 | Shapable material and shaped articles obtainable therefrom | Robert Purrmann, Gunter Pieper | 1990-05-22 |
| 4916805 | Method for the attachment of components to a circuit board using photoactuatable adhesive | Klaus Ellrich, Oswald Gasser, Erich Wanek | 1990-04-17 |