Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6045963 | Negative-working dry planographic printing plate | Jianbing Huang, Thi N. Do | 2000-04-04 |
| 5919600 | Thermal waterless lithographic printing plate | Jianbing Huang, S. Peter Pappas, Shashikant Saraiya, Thi N. Do | 1999-07-06 |
| 4533465 | Low molecular weight copolymers as depressants in sylvinite ore flotation | Sim K. Lim | 1985-08-06 |
| 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 |
| 4289613 | Low molecular weight hydrolyzed polymers or copolymers as depressants in mineral ore flotation | Sim K. Lim | 1981-09-15 |
| 4282087 | Selective flocculation for iron values | Hans Peter Panzer | 1981-08-04 |
| 4274945 | Iron ore beneficiation by selective flocculation | Hans Peter Panzer | 1981-06-23 |
| 4205143 | Mixtures of polycationic and polyanionic polymers for scale control | — | 1980-05-27 |