Issued Patents 1982
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4365025 | Flexible polyurethane foams from polymethylene polyphenyl isocyanate containing prepolymers | Robert M. Murch | 1982-12-21 |
| 4342834 | Enzymes bound to polyurethane | Frank J. Hartdegen, Peter Hahn | 1982-08-03 |
| 4312946 | Preparation and use of enzymes bound to polyurethane | Frank J. Hartdegen, Peter Hahn | 1982-01-26 |
| 4309509 | Odorant hydrophilic foam compositions | — | 1982-01-05 |