Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8030522 | Process for the production of toluene diisocyanate | Joachim Zechlin, Bernd Pennemann, Friedhelm Steffens | 2011-10-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8030522 | Process for the production of toluene diisocyanate | Joachim Zechlin, Bernd Pennemann, Friedhelm Steffens | 2011-10-04 |