Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6143802 | Process for the preparation of polyol polymer dispersions | Xinhua Zhou, Charles V. Rose | 2000-11-07 |
| 6013731 | Stabilizer based on high molecular weight polyols having low monol content for polymer polyol production | Ulrich Holeschovsky | 2000-01-11 |
| 5955534 | Process for the preparation of polymer polyol dispersions | Xinhua Zhou, Charles V. Rose | 1999-09-21 |
| 5688861 | Process for the preparation of polyol polymer dispersions | Xinhua Zhou, Charles V. Rose | 1997-11-18 |
| 5496894 | Low viscosity polymer polyols with improved dispersion stability | Frank E. Critchfield, Stuart L. Watson, Jr. | 1996-03-05 |
| 5488085 | Semi-batch process for producing polymer polyols | John E. Hayes, Xinhua Zhou | 1996-01-30 |
| 5364906 | Low viscosity polymer polyols with improved dispersion stability | Frank E. Critchfield, Stuart L. Watson, Jr. | 1994-11-15 |
| 5268418 | Polymer/polyol and preformed stabilizer systems | — | 1993-12-07 |
| 5196476 | Polymer/polyol and preformed stabilizer systems | — | 1993-03-23 |
| 4997857 | Stabilizers for polymer/polyols | John F. Timberlake, Siusun K. Leung, Edgar G. Shook, Richard C. Myerly | 1991-03-05 |
| RE32733 | Polymer/polyol compositions having improved combustion resistance | Frank E. Critchfield, Edgar G. Shook | 1988-08-16 |
| 4652589 | Polymer/polyols having improved combustion resistance and intrinsic viscosity, methods of making same and polyurethanes prepared therefrom | Frank E. Critchfield, Richard C. Myerly | 1987-03-24 |
| 4463107 | Polymer/polyol compositions having improved combustion resistance | Frank E. Critchfield, Edgar G. Shook | 1984-07-31 |
| 4350780 | Polyurethanes made with polymer/polyols prepared via preformed stabilizers | Russell Van Cleve, George H. Armstrong | 1982-09-21 |
| 4242249 | Polymer/polyols via non-aqueous dispersion stabilizers | Russell Van Cleve, George H. Armstrong | 1980-12-30 |