Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698601 | Process for the production of open-celled rigid polyurethane foams useful as insulating materials | Rainer Welte | 1997-12-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698601 | Process for the production of open-celled rigid polyurethane foams useful as insulating materials | Rainer Welte | 1997-12-16 |