Issued Patents 2019
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10329248 | Method for producing 1,5-pentanediisocyanate in the gas phase | Josef Sanders, Martin Ehrig, Manfred Keller-Killewald, Armin Schymura, Dietmar Wastian | 2019-06-25 |
| 10294198 | Method for producing xylylene diisocyanates in the gaseous phase | Ralph Weber, Josef Sanders, Frank Richter, Elsa Karoline Schadlich, Armin Schymura +3 more | 2019-05-21 |
| 10189945 | Method for producing light-coloured TDI-polyisocyanates | Josef Sanders, Andreas Hecking, Frank Richter, Oswald Wilmes, Jan Busch +2 more | 2019-01-29 |
| 10173970 | Method for producing 1,5-pentanediisocyanate in the gas phase | Josef Sanders, Martin Ehrig, Manfred Keller-Killewald, Armin Schymura, Dietmar Wastian | 2019-01-08 |