Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5455287 | Foundry mixes containing a polyether polyol and their use | William R. Dunnavant | 1995-10-03 |
| 5447968 | Polyurethane-forming binder systems containing 2,2'-dipyridyl, 1,10-phenanthroline, and their substituted alkyl derivatives | Kenneth W. Barnett, William R. Dunnavant, Robert B. Fechter | 1995-09-05 |
| 5132339 | Polyurethane-forming foundry binders containing a polyether polyol | William R. Dunnavant | 1992-07-21 |
| 5001190 | Process for filling space in a structure with a polyurethane composite in the presence of water | Colleen Marie Henry | 1991-03-19 |
| 4982781 | No-bake process for preparing foundry shapes for casting low melting metal castings | William R. Dunnavant | 1991-01-08 |
| 4946876 | Polyurethane-forming foundry binders containing a polyester polyol | William R. Dunnavant | 1990-08-07 |