Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7091304 | Process for cleaning production plants for polyester polyols | Hartmut Nefzger, Gerhard Klein, Erhard Michels | 2006-08-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7091304 | Process for cleaning production plants for polyester polyols | Hartmut Nefzger, Gerhard Klein, Erhard Michels | 2006-08-15 |