Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6667370 | Method for producing prepolymers containing isocyanate end groups, incorporating a small proportion of base isocyanates | James-Michael Barnes, Manfred Schmidt, Andreas Hoffmann | 2003-12-23 |
| 6639102 | Process for producing polyisocyanates of the diphenyl methane series having a reduced color value | Torsten Hagen, Friedhelm Kamper, Daniel Koch, Rudolf Uchdorf | 2003-10-28 |