Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5684057 | Three component polyol blend for use in insulating rigid polyurethane foams | Walter R. White, III, James A. Mullins, Thomas B. K. Lee, Keith McLellan | 1997-11-04 |
| 5677359 | Three component polyol blend for use in insulating rigid polyurethane foams | Walter R. White, III, James A. Mullins, Thomas B. K. Lee, Keith McLellan | 1997-10-14 |
| 5648019 | Three component polyol blend for use in insulating rigid polyurethane foams | Walter R. White, III, James A. Mullins, Thomas B. K. Lee, Keith McLellan | 1997-07-15 |
| 5118720 | Method for producing polyurethane foam and apparatus therefor | Robert D. Wheeler, Edward H. Schulman, George Bertram | 1992-06-02 |
| 5055272 | Method for producing polyurethane foam and apparatus therefor | Robert D. Wheeler, Edward H. Schulman, George Bertram | 1991-10-08 |
| 4425446 | Urea-modified isocyanurate foam, composition and method | Nelson E. Malwitz | 1984-01-10 |