Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5660926 | High equivalent weight polyester polyols for closed cell, rigid foams | Michael J. Skowronski | 1997-08-26 |
| 5605940 | High equivalent weight polyester polyols for closed cell, rigid foams | Michael J. Skowronski | 1997-02-25 |