Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5188809 | Method for separating coke from a feed mixture containing zirconium and radioactive materials by flotation process | John C. Haygarth, Jon A. Riesen, John R. Peterson | 1993-02-23 |
| 5176878 | Zirconium-hafnium separation process | Lawrence E. Sarbeck, David R. Lee, Lawrence J. Jacoby, John C. Haygarth, Charles T. Goodwin | 1993-01-05 |
| 5160482 | Zirconium-hafnium separation and purification process | Kenneth C. Ash, John C. Haygarth, David R. Lee, Donald E. Morris, John R. Peterson +2 more | 1992-11-03 |
| 4393230 | Method of preparing ethyl silicate | Duane L. Hug | 1983-07-12 |