Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5308880 | Tin catalysts for use in rim polyol blends containing acidic internal mold release agents and diethyltoluenediamine chain extender | John E. Dewhurst, Ann C. L. Savoca | 1994-05-03 |
| 5288864 | Quaternary ammonium carboxylate inner salt compositions as controlled activity catalysts for making polyurethane foam | Ann C. L. Savoca, Mark Leo Listemann | 1994-02-22 |