Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847374 | Process for the manufacture of N,N-(Dibenzohexatrienylene)ureas | Georg Acklin, Günter Kaupp, Bernhard Raz, Ulrich Vogel | 1989-07-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847374 | Process for the manufacture of N,N-(Dibenzohexatrienylene)ureas | Georg Acklin, Günter Kaupp, Bernhard Raz, Ulrich Vogel | 1989-07-11 |