Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5951955 | Concentration of solids in the Bayer process | Robert W. Cole, Ronald Thomason, Patrick Bair | 1999-09-14 |
| 5665244 | Reduction of impurities in bayer process alumina trihydrate | Alan S. Rothenberg, Robert W. Cole | 1997-09-09 |