Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5236782 | Microcapsules | Gunter Klug, Josef Vogel | 1993-08-17 |
| 4882362 | Foamed microbeads and a process for their preparation | Manfred Dahm, Ulrich Nehen, Walter Schafer | 1989-11-21 |
| 4804687 | Foamed microbeads and a process for their preparation | Manfred Dahm, Ulrich Nehen, Walter Schafer | 1989-02-14 |
| 4592957 | Microcapsules having walls of polyaddition products of water-insoluble polyamines with water-soluble polyisocyanate adducts | Manfred Dahm, Ulrich Nehen, Hanns P. Muller, Gert Jabs, Albert Awater +1 more | 1986-06-03 |
| 4517141 | Production of microcapsules having walls of polyaddition products of water-insoluble polyamines with water-soluble polyisocyanate adducts | Manfred Dahm, Ulrich Nehen, Hanns P. Muller, Gert Jabs, Albert Awater +1 more | 1985-05-14 |
| 4428983 | Process for the production of microcapsules | Ulrich Nehen, Manfred Hajek, Manfred Dahm | 1984-01-31 |
| 4404251 | Copying systems, a process for their production, and suitable printing inks for both offset and book printing | Gert Jabs, Manfred Dahm, Artur Haus, Ulrich Nehen, Klaus Rath | 1983-09-13 |
| 4211699 | Isocyanate adduct diols | Hans D. Winkelmann, Karlheinz Wolf, Harald Oertel | 1980-07-08 |