Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10329248 | Method for producing 1,5-pentanediisocyanate in the gas phase | Josef Sanders, Martin Ehrig, Reinhard Halpaap, Armin Schymura, Dietmar Wastian | 2019-06-25 |
| 10173970 | Method for producing 1,5-pentanediisocyanate in the gas phase | Josef Sanders, Martin Ehrig, Reinhard Halpaap, Armin Schymura, Dietmar Wastian | 2019-01-08 |
| 10112892 | Process for preparing polyisocyanates | Jürgen Arras, Jan Busch, Christian Steffens, Dietmar Wastian, Holger Conzelmann | 2018-10-30 |
| 8079752 | Process and mixing unit for the preparation of isocyanates by phosgenation of primary amines | Andreas Rausch, Christian Steffens, Dietmar Wastian, Matthias Böhm, Joachim C. Ritter +1 more | 2011-12-20 |
| 6984762 | Process for the two-step production of dinitrotoluene | Erwin Dieterich, Anke Hielscher, Berthold Keggenhoff, Jurgen Munnig, Dietmar Wastian | 2006-01-10 |