Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4507475 | Process for purification of crude polyether polyols | Wolfgang Straehle, Matthias Marx | 1985-03-26 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4507475 | Process for purification of crude polyether polyols | Wolfgang Straehle, Matthias Marx | 1985-03-26 |