Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11046794 | Scale inhibitor compositions and methods of using | Airong Song, Lei Zhang, Douglas A. Cywar, Haunn-Lin Tony Chen | 2021-06-29 |
| 10066124 | Method of reducing scale in the bayer process | Douglas A. Cywar, Chester J. Calbick, Frank Kula, Dannon Stigers | 2018-09-04 |
| 8435411 | Methods and compositions for the removal of impurities from an impurity-loaded organic salt | John Lean, Scott GRIFFIN | 2013-05-07 |
| 8067507 | Compositions for preventing or reducing aluminosilicate scale in industrial processes | Haunn-Lin Tony Chen, Donald P. Spitzer, Howard I. Heitner | 2011-11-29 |
| 7972580 | Methods and compositions for the removal of impurities and water from the Bayer process | Douglas J. Harris, Haunn-Lin Tony Chen, Violina Antoneta Cocalia | 2011-07-05 |