Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9688619 | Process for obtaining organic isocyanates from distillation residues from isocyanate preparation | Andreas Hecking, Jan Busch, Frank Richter, Friedhelm Steffens | 2017-06-27 |