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Patent applications and USPTO patent grants for LIFEZONE LIMITED.The latest application filed is for "hydrometallurgical treatment process for extraction of precious, base and rare elements".
Patent | Date |
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Hydrometallurgical treatment process for extraction of precious, base and rare elements Grant 10,988,826 - Liddell , et al. April 27, 2 | 2021-04-27 |
Hydrometallurgical Treatment Process For Extraction Of Precious, Base And Rare Elements App 20180371578 - Liddell; Keith Stuart ;   et al. | 2018-12-27 |
Treatment process for recovery and separation of elements from liquors Grant 10,011,889 - Liddell , et al. July 3, 2 | 2018-07-03 |
Treatment process for extraction of precious, base and rare elements Grant 9,982,320 - Liddell , et al. May 29, 2 | 2018-05-29 |
Hydrometallurgical treatment process for extraction of metals from concentrates Grant 9,540,706 - Liddell , et al. January 10, 2 | 2017-01-10 |
Treatment Process For Extraction Of Precious, Base And Rare Elements App 20160145714 - Liddell; Keith Stuart ;   et al. | 2016-05-26 |
Treatment Process For Recovery And Separation Of Elements From Liquors App 20160145715 - Liddell; Keith Stuart ;   et al. | 2016-05-26 |
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