Issued Patents 2020
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10875827 | Process for preparing an isocyanate by partly adiabatic phosgenation of the corresponding amine | Juergen Spriewald, Anke Hielscher, Volker Michele, Dietmar Wastian, Christian Steffens | 2020-12-29 |
| 10851048 | Process for preparing an isocyanate by partly adiabatically operated phosgenation of the corresponding amine | Christian Steffens, Anke Hielscher, Dietmar Wastian, Juergen Spriewald | 2020-12-01 |
| 10815189 | Method for producing nitrobenzene | Denise Chan, Juergen Muennig | 2020-10-27 |
| 10689323 | Process for preparation of di- and polyamines of the diphenylmethane series | Stefan Wershofen, Klaus-Gerd Gruner, Volker Hartjes | 2020-06-23 |
| 10689322 | Process for preparation of di- and polyamines of the diphenylmethane series | Stefan Wershofen, Klaus-Gerd Gruner, Volker Hartjes | 2020-06-23 |
| 10640455 | Method of producing diamines and polyamines of the diphenylmethane series | Stefan Wershofen, Klaus-Gerd Gruner, Volker Hartjes | 2020-05-05 |
| 10640453 | Method of producing diamines and polyamines of the diphenylmethane series | Stefan Wershofen, Klaus-Gerd Gruner, Volker Hartjes | 2020-05-05 |
| 10633327 | Method of producing diamines and polyamines of the diphenylmethane series at different production capacities | Stefan Wershofen, Klaus-Gerd Gruner, Volker Hartjes | 2020-04-28 |
| 10626078 | Method of producing diamines and polyamines of the diphenylmethane series at different production capacities | Stefan Wershofen, Klaus-Gerd Gruner, Volker Hartjes | 2020-04-21 |
| 10618871 | Process for producing isocyanate and at least one further chemical product in an integrated production | Jürgen Spriewald, Richard Adamson | 2020-04-14 |
| 10577311 | Method for producing isocyanates | Dirk Manzel, Peter Plathen, Jürgen Spriewald | 2020-03-03 |