Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9284401 | Process for the preparation of polyether-ester polyols | Klaus Lorenz, Reinhard Albers, Frank Otto, Ulrich Leyrer, Don S. Wardius | 2016-03-15 |
| 6869543 | Amine-initiated polyether polyols and a process for their production | Nathan Anderson, Karl W. Haider, Kerry Ingold, Herman P. Doerge | 2005-03-22 |
| 6423759 | Co-initiated polyols useful for the production of rigid polyurethane foams | Steven L. Schilling, Herman P. Doerge, Edward E. Ball | 2002-07-23 |
| 6004482 | Stable aromatic amine composition, and a process for preparing color stable aromatic amines | Rick L. Adkins, Steven L. Schilling | 1999-12-21 |
| 5962749 | Process for the removal of alkalinity in the manufacture of polyether polyols and the reuse of this alkalinity in the manufacture of polyether polyols | Harold R. Parsons, Donald C. Dunham, Steven L. Schilling | 1999-10-05 |
| 5872292 | Stable aromatic amine composition, a process for preparing color stable aromatic amines, and the production of light colored aromatic amine-based polyether polyols | Rick L. Adkins, Steven L. Schilling | 1999-02-16 |