Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4245110 | Polyalkylene oxide-containing urethane polyols with sulphonic acid groups | Helmut Engelhard, Gerhard D. Wolf, Francis Bentz | 1981-01-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4245110 | Polyalkylene oxide-containing urethane polyols with sulphonic acid groups | Helmut Engelhard, Gerhard D. Wolf, Francis Bentz | 1981-01-13 |