Number | Name | Date | Kind |
---|---|---|---|
T993002 | Kaplan | May 1979 | |
2915442 | Lewis | Dec 1959 | |
3028324 | Ransley | Apr 1962 | |
3151053 | Lewis | Sep 1964 | |
3156639 | Kibby | Nov 1964 | |
3314876 | Ransley | Apr 1967 | |
3400061 | Lewis et al. | Sep 1968 | |
4071420 | Foster | Jan 1978 |
Number | Date | Country |
---|---|---|
922384 | Mar 1973 | CAX |
Entry |
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Billehaug, K. et al., "Inert Cathodes for Aluminium Electrolysis in Hall-Heroult Cells", Aluminium, vol. 56 (1980), pp. 642-648 and 713-718. |