Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688891 | T,3-dioxan-2-one group-containing oligourethanes | Wieland Hovestadt, Hans-Josef Buysch, Harald Blum, Norbert Schon | 1997-11-18 |
| 5672736 | Polyisocyanates containing allophanate groups | Martin Brahm, Josef Pedain | 1997-09-30 |
| 5610260 | Polyisocyanate mixtures which are liquid at greater than 5.degree. C | Josef Pedain, Harald Mertes | 1997-03-11 |
| 5606004 | Lacquer polyisocyanates with aliphatically and aromatically bound isocyanate groups | Martin Brahm, Josef Pedain | 1997-02-25 |