Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5434305 | Process for the production of aromatic carbodiimides | Wolfgang Alter, Jorg Lussmann | 1995-07-18 |
| 5284969 | Process for the production of polyisocyanates | Andreas Hauner | 1994-02-08 |
| 4419295 | Continuous process for the production of organic isocyanates | Jurgen Lahrs, Dietrich Liebsch | 1983-12-06 |
| 4292255 | Process for the preparation of organic polyisocyanates containing urea groups | Peter Ziemek, Erhard Schellmann | 1981-09-29 |
| 4264519 | Process for the preparation of organic polyisocyanates containing biuret groups | Peter Ziemek, Erhard Schellmann | 1981-04-28 |