RP

Robert Purrmann

EG Espe Fabrik Pharmazeutischer Praparate Gmbh: 6 patents #4 of 17Top 25%
EK Espe Stiftung & Co. Produktions-Und Vertriebs Kg: 1 patents #9 of 20Top 45%
Overall (All Time): #592,653 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
4927866 Shapable material and shaped articles obtainable therefrom Rainer Guggenberger, Gunter Pieper 1990-05-22
4544742 1,2,6-Thiadiazine-3,5-dione-1,1-dioxides Werner Schmitt, Peter Jochum, Heinz-Joachim Hubner, Bernd Burger 1985-10-01
4493911 Nonadhesive impression material Werner Schmitt, Peter Jochum 1985-01-15
4443587 1,2,6-Thiadiazine-3,5-dione-1,1-dioxides and their use as polymerization accelerators Werner Schmitt, Peter Jochum, Heinz-Joachim Hubner, Bernd Burger 1984-04-17
4389497 Use of agglomerates of silicic acid as fillers in dental materials Werner Schmitt, Peter Jochum, Heinz-Joachim Hubner 1983-06-21
4376835 Calcium depleted aluminum fluorosilicate glass powder for use in dental or bone cements Werner Schmitt, Peter Jochum, Oswald Gasser 1983-03-15
4372836 Light curable acrylic dental composition with calcium fluoride pigment Werner Schmitt, Peter Jochum, Heinz-Joachim Hubner 1983-02-08
4360605 Mixing component for dental glass ionomer cements Werner Schmitt, Peter Jochum, Oswald Gasser 1982-11-23
4189365 Photopolymerizable compositions based on acrylic or methacrylic acid esters containing organic phosphites Werner Schmitt, Peter Jochum 1980-02-19