Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5180563 | Treatment of industrial wastes | Wen-Chao Lai, Samuel Natansohn | 1993-01-19 |
| 5019362 | Ion exchange method for the purification of scandium | Samuel Natansohn | 1991-05-28 |
| 4988487 | Process for recovering metal values such as scandium, iron and manganese from an industrial waste sludge | Wen-Chao Lai, Samuel Natansohn | 1991-01-29 |
| D313548 | Bracket | — | 1991-01-08 |
| 4968504 | Recovery of scandium and uranium | — | 1990-11-06 |
| 4898719 | Liquid extraction procedure for the recovery of scandium | Wen-Chao Lai, Samuel Natansohn | 1990-02-06 |
| D304986 | Combined bracket and trash bag support for a post-mounted tray | — | 1989-12-12 |
| 4816233 | Ion exchange method for the recovery of scandium | Wen-Chao Lai, Samuel Natansohn | 1989-03-28 |
| 4765909 | Ion exchange method for separation of scandium and thorium | Wen-Chao Lai, Samuel Natansohn | 1988-08-23 |