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| 2021/0363,652 | MULTILAYER TRANSITION JOINT FOR ALUMINUM SMELTER AND METHOD OF MAKING | Apr 04, 19 | Nov 25, 21 | DMC Global Inc. |
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| 2021/0189,577 | Formation of Lining Layers in the Cathode Shells of Aluminium Electrolytic Reduction Cells | Sep 07, 18 | Jun 24, 21 | Not available |
| 2020/0263,313 | SYSTEMS AND METHODS FOR MOLTEN OXIDE ELECTROLYSIS | Sep 17, 18 | Aug 20, 20 | Not available |