Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9144758 | Defoaming composition for high acid strength media | Guoxin Wang, Jeffrey Walker | 2015-09-29 |
| 6994786 | Phosphate beneficiation process using methyl or ethyl esters as float oils | Guoxin Wang | 2006-02-07 |
| 6544489 | Defoaming compositions for high acid strength media | — | 2003-04-08 |
| 5093463 | Maleinized rosin containing solvent-borne alkyd resin compositions | David E. Knox | 1992-03-03 |
| 4548746 | Rosin pentaerythritol ester preparation improvement | Don Duncan | 1985-10-22 |