Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4795823 | (Meth)acrylic acid esters and the use thereof for preparing dental compositions | Peter Jochum, Wolf-Dietrich Zahler, Heijo Hubner, Manfred Holupirek, Oswald Gasser +1 more | 1989-01-03 |
| 4723661 | Rotary puck conveying, accumulating and qualifying mechanism | Kurt H. Hoppmann, James G. Lin | 1988-02-09 |
| 4558104 | Continuous preparation of isobutylene polymers | Klaus Bronstert, Johann Nickl, Hans-Joachim Krause | 1985-12-10 |
| 4544742 | 1,2,6-Thiadiazine-3,5-dione-1,1-dioxides | Robert Purrmann, Peter Jochum, Heinz-Joachim Hubner, Bernd Burger | 1985-10-01 |
| 4493911 | Nonadhesive impression material | Robert Purrmann, Peter Jochum | 1985-01-15 |
| 4443587 | 1,2,6-Thiadiazine-3,5-dione-1,1-dioxides and their use as polymerization accelerators | Robert Purrmann, Peter Jochum, Heinz-Joachim Hubner, Bernd Burger | 1984-04-17 |
| 4388989 | Continuous rotary method of transporting articles | George W. Edmunds, George S. McVeigh | 1983-06-21 |
| 4389497 | Use of agglomerates of silicic acid as fillers in dental materials | Robert Purrmann, Peter Jochum, Heinz-Joachim Hubner | 1983-06-21 |
| 4376835 | Calcium depleted aluminum fluorosilicate glass powder for use in dental or bone cements | Robert Purrmann, Peter Jochum, Oswald Gasser | 1983-03-15 |
| 4372836 | Light curable acrylic dental composition with calcium fluoride pigment | Robert Purrmann, Peter Jochum, Heinz-Joachim Hubner | 1983-02-08 |
| 4360605 | Mixing component for dental glass ionomer cements | Robert Purrmann, Peter Jochum, Oswald Gasser | 1982-11-23 |
| 4189365 | Photopolymerizable compositions based on acrylic or methacrylic acid esters containing organic phosphites | Robert Purrmann, Peter Jochum | 1980-02-19 |