Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11359045 | Method for producing isocyanate mixtures containing isocyanurate groups | Christian Hahn, Hans-Detlef Arntz, Stephan Schubert, Claudia Houben, Frank Behrendt | 2022-06-14 |
| 10633330 | Process for preparing liquid, storage-stable organic isocyanates having carbodiimide and/or uretonimine groups and having low colour number | Hans-Detlef Arntz, Torsten Hagen | 2020-04-28 |
| 10633476 | Method for producing a composition comprising polycarbodiimide having improved storage stability | Hans-Detlef Arntz, Stefan Wershofen | 2020-04-28 |
| 7951896 | Process for the production of NCO prepolymers that are stable to sedimentation, and their use | Hartmut Nefzger, Manfred Schmidt, James-Michael Barnes, Jens Krause | 2011-05-31 |