Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4443587 | 1,2,6-Thiadiazine-3,5-dione-1,1-dioxides and their use as polymerization accelerators | Werner Schmitt, Robert Purrmann, Heinz-Joachim Hubner, Bernd Burger | 1984-04-17 |
| 4405072 | Setting device powered by an explosive gas mixture | Edwin Kindle | 1983-09-20 |
| 4389497 | Use of agglomerates of silicic acid as fillers in dental materials | Werner Schmitt, Robert Purrmann, Heinz-Joachim Hubner | 1983-06-21 |
| 4382533 | Explosive powder operated setting device | Franz Buechel | 1983-05-10 |
| 4376835 | Calcium depleted aluminum fluorosilicate glass powder for use in dental or bone cements | Werner Schmitt, Robert Purrmann, Oswald Gasser | 1983-03-15 |
| 4372836 | Light curable acrylic dental composition with calcium fluoride pigment | Werner Schmitt, Robert Purrmann, Heinz-Joachim Hubner | 1983-02-08 |
| 4368588 | Explosive powder driven fastening fastening element setting device | Franz Buechel | 1983-01-18 |
| 4360605 | Mixing component for dental glass ionomer cements | Werner Schmitt, Robert Purrmann, Oswald Gasser | 1982-11-23 |
| 4351853 | Method for producing prosthetic dental appliances by photopolymerizing a shapeable mass | Oswald Gasser | 1982-09-28 |
| 4201325 | Fastening element setting device | — | 1980-05-06 |
| 4189365 | Photopolymerizable compositions based on acrylic or methacrylic acid esters containing organic phosphites | Werner Schmitt, Robert Purrmann | 1980-02-19 |