Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9284401 | Process for the preparation of polyether-ester polyols | Klaus Lorenz, Reinhard Albers, Frank Otto, Don S. Wardius, Keith J. Headley | 2016-03-15 |
| 5625045 | Process for the production of low viscosity high functionality, light colored polyethers based on sucrose | Pramod Gupta, Hans-Joachim Sandhagen, Werner Betz, Martin Hoppe | 1997-04-29 |
| 5134219 | Stiff-chain polyheterocycles having improved solubility, a process for their production and their use | Hans R. Kricheldorf, Jurgen Engelhardt, Ralf Pakull, Volker Eckhardt | 1992-07-28 |