Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5362764 | Surfactant for polyisocyanurate foams made with alternative blowing agents | Michael E. Londrigan | 1994-11-08 |
| 5308881 | Surfactant for polyisocyanurate foams made with alternative blowing agents | Michael E. Londrigan | 1994-05-03 |
| 5308883 | Catalyst for polyisocyanurate foams made with alternative blowing agents | Michael E. Londrigan | 1994-05-03 |