Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4997857 | Stabilizers for polymer/polyols | John F. Timberlake, Siusun K. Leung, Edgar G. Shook, Donald W. Simroth | 1991-03-05 |
| 4797501 | Silicone-based stabilizers useful in the preparation of improved polyurethane foams | Michael W. Jorgenson, Frank E. Critchfield | 1989-01-10 |
| 4652589 | Polymer/polyols having improved combustion resistance and intrinsic viscosity, methods of making same and polyurethanes prepared therefrom | Donald W. Simroth, Frank E. Critchfield | 1987-03-24 |