Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4360425 | Low molecular weight copolymers and terpolymers as depressants in mineral ore flotation | Sim K. Lim | 1982-11-23 |
| 4339331 | Crosslinked starches as depressants in mineral ore flotation | Sim K. Lim | 1982-07-13 |