Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10829613 | Carbon black compositions | Bernhard Schwaiger, Werner Niedermeier, Arndt-Peter Schinkel, Silke Teike, Conny Vogler | 2020-11-10 |
| 8852739 | Carbon black, method for the production thereof, and use thereof | Arndt-Peter Schinkel, Michael Stanyschöfsky, Conny Vogler, Joachim Fröhlich, Bernhard Schwaiger | 2014-10-07 |
| 8735488 | Black, method for the production thereof, and use thereof | Burkhard Freund, Joachim Fröhlich, Werner Niedermeier, Conny Vogler | 2014-05-27 |
| 5981806 | Process for the preparation of hydroxynapthalenes | — | 1999-11-09 |
| 5830931 | Process for the preparation of polycyclic compounds | Dietmar Kalz | 1998-11-03 |