Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5162385 | Preparation of hard foams containing urethane groups or containing urethane and isocyanurate groups | Uwe Hartwig, Hansjuergen Kessler | 1992-11-10 |
| 4258141 | Process for manufacture of flexible polyurethane foams with cyanic acid derivatives | Wolfgang Jarre, Gerhard Mueller, Otmar Zipp | 1981-03-24 |
| 4187143 | Manufacture of fibrids from poly(amide-imide) resins | Bruno Sander, Kurt Scherling, Rolf Steinberger | 1980-02-05 |