Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5171549 | Process for decreasing the level of impurities in zirconium chloride, titanium chloride and hafnium chloride | Ronald E. Walsh, Jr., Peter W. Krag, Roy E. Blackstone | 1992-12-15 |
| 4393230 | Method of preparing ethyl silicate | William A. Crocker | 1983-07-12 |