Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5641851 | Preparation of biuret-containing polyisocyanates | Stefan Wolff, Werner Langer, Hans Renz | 1997-06-24 |
WH
Wolfgang Heider
Overall (1997): #58,467 of 185,788Top 35%
1
Patents 1997