Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6316673 | Process for producing aminodiphenylamines | Henry Giera, Torsten Pohl, Uwe Hugger, Adolf Sicheneder, Fred Schuhmacher | 2001-11-13 |
| 5739403 | Process for the production of optionally substituted 4-aminodiphenylamines | Klaus Reinartz, Fred Schuhmacher | 1998-04-14 |