Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6833123 | Method for liquid chromate ion and oxy-metal ions removal and stabilization | Ching-Tsuen Huang, Tzeng-Ming Liu, Tsye-Shing Lee | 2004-12-21 |
| 5180563 | Treatment of industrial wastes | William J. Rourke, Samuel Natansohn | 1993-01-19 |
| 4988487 | Process for recovering metal values such as scandium, iron and manganese from an industrial waste sludge | William J. Rourke, Samuel Natansohn | 1991-01-29 |
| 4898719 | Liquid extraction procedure for the recovery of scandium | William J. Rourke, Samuel Natansohn | 1990-02-06 |
| 4816233 | Ion exchange method for the recovery of scandium | William J. Rourke, Samuel Natansohn | 1989-03-28 |
| 4765909 | Ion exchange method for separation of scandium and thorium | William J. Rourke, Samuel Natansohn | 1988-08-23 |