Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6319358 | Electrolytic causticizing of smelt from a kraft recovery furnace | Peter Pfromm | 2001-11-20 |
| 5928489 | Low temperature removal and recovery of hydrogen halides using an electrochemical membrane | — | 1999-07-27 |
| 5618405 | Removal and recovery of hydrogen halides using an electrochemical membrane | — | 1997-04-08 |
| 4772366 | Electrochemical separation and concentration of sulfur containing gases from gas mixtures | — | 1988-09-20 |
| RE31778 | Electrochemical separation and concentration of sulfur containing gases from gas mixtures | — | 1984-12-25 |
| RE31718 | Electrochemical separation and concentration of hydrogen sulfide from gas mixtures | Norman F. Sather, Hann-Sheng Huang | 1984-10-30 |
| 4246081 | Electrochemical separation and concentration of sulfur containing gases from gas mixtures | — | 1981-01-20 |