Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8802749 | Lignite-based foundry resins | Jianbo Di | 2014-08-12 |
| 8623959 | Non-veining urethane resins for foundry sand casting | Jianbo Di | 2014-01-07 |
| 8436073 | Lignite-based foundry resins | Jianbo Di | 2013-05-07 |
| 8426494 | Lignite urethane based resins for enhanced foundry sand performance | Paul E. Klein | 2013-04-23 |
| 8309620 | Lignite-based urethane resins with enhanced suspension properties and foundry sand binder performance | — | 2012-11-13 |