Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5683559 | Cell for aluminium electrowinning employing a cathode cell bottom made of carbon blocks which have parallel channels therein | — | 1997-11-04 |
| 5676807 | Carbon containing ramming paste in aluminum production cells | Jainagesh A. Sekhar | 1997-10-14 |
| 5651874 | Method for production of aluminum utilizing protected carbon-containing components | Jainagesh A. Sekhar | 1997-07-29 |
| 5618403 | Maintaining protective surfaces on carbon cathodes in aluminium electrowinning cells | Jean-Jacques Duruz | 1997-04-08 |