Issued Patents All Time
Showing 1–1 of 1 patents
| 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 |
UH
Uwe Hartwig
Overall (All Time): #3,863,117 of 4,157,543Top 95%
1
Patents All Time