Patents

  1. Ahmad Ghahreman, Harshit Mahandra. Recovery of Metals from Batteries Containing Lithium and Iron. U.S. provisional patent. 2020-031-01US; 63/128,222; PCT/CA2021/051835.
  2. Ahmad Ghahreman, James McNeice, Harshit Mahandra Methods for Extracting Metal from Materials using Biogenic Thiosulfate. U.S. provisional patent. 2021-024-01US; 63/310,167.
  3. P. Benjamin Voigt, A. Ghahreman, “Leaching process”, US 2020/0190624A1.
  4. D. Dixon, O. Olvera Olmedo, E. Asselin, A. Ghahreman, Z. Ren, “Process for leaching metal sulphides with reagents having thiocarbonyl functional groups”, US 2020/0181732A1.
  5. D. Dixon, O. Olvera Olmedo, E. Asselin, A. Ghahreman, Z. Ren, “Process for leaching metal sulphides with reagents having thiocarbonyl functional groups”, US 2020/0181733A1.
  6. D. Dixon, O. Olvera Olmedo, E. Asselin, A. Ghahreman, Z. Ren, “Process for leaching metal sulphides with reagents having thiocarbonyl functional groups”, US 2020/0181731A1.
  7. D. Dixon, O. Olvera Olmedo, E. Asselin, A. Ghahreman, Z. Ren, “Process for leaching metal sulphides with reagents having thiocarbonyl functional groups”, US 2020/0181734A1.
  8. D. Dixon, O. Olvera Olmedo, E. Asselin, A. Ghahreman, Z. Ren, “Process for leaching metal sulphides with reagents having thiocarbonyl functional groups”, US 2020/0181736A1.
  9. D. Dixon, O. Olvera Olmedo, E. Asselin, A. Ghahreman, Z. Ren, “Process for leaching metal sulphides with reagents having thiocarbonyl functional groups”, US 2020/0181737A1.
  10. D. Dixon, O. Olvera Olmedo, E. Asselin, A. Ghahreman, Z. Ren, “Process for leaching metal sulphides with reagents having thiocarbonyl functional groups”, US 2020/0181735A1.
  11. D. Dixon, O. Olvera Olmedo, E. Asselin, A. Ghahreman, Z. Ren, “Process for leaching metal sulphides with reagents having thiocarbonyl functional groups”, US 2020/0149132A1.
  12. D. Dixon, O. Olvera Olmedo, E. Asselin, A. Ghahreman, Z. Ren, “Process for leaching metal sulphides with reagents having thiocarbonyl functional groups”, US 2020/0149131A1.
  13. Sonoc, Jacob Jeswiet, Ahmad Ghahreman, “Hydrometallurgical Recycling of Lithium-Ion Battery Electrodes”, US patent filed in 2020.
  14. Y. Choi, A. Ghahremaninezhad, N. Ahern. “Method for arsenic oxidation and removal from process and waste solutions”, US 2014/0356261 (WO2014191833 A1).

  15. Y. Choi, A. Ghahremaninezhad. “Method for pre-treatment of gold-bearing oxide ores”, US 2014/0356225 A1 (WO2014191832 A1).

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