Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4483970 | Polyester-ester urethane | Anton H. J. Brouwer | 1984-11-20 |
| 4256869 | Polyurethanes from trans-cyclohexane-1,4-diisocyanate | Helmut Schulze, Hans Zengel, Walter Brodowski, Jan A. J. Schutijser, Peter Hentschel | 1981-03-17 |