Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5162385 | Preparation of hard foams containing urethane groups or containing urethane and isocyanurate groups | Hansjuergen Kessler, Eckhard Ropte | 1992-11-10 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5162385 | Preparation of hard foams containing urethane groups or containing urethane and isocyanurate groups | Hansjuergen Kessler, Eckhard Ropte | 1992-11-10 |