The mineral Monazite, is a source of rare earth elements, radium can also be extracted from it: Separation Of Radium And Rare Earth Elements From Monazite (2008).
Radium-223 can be used to treat bone cancer:
- The Preparation And Use Of Radium-223 To Target Calcified Tissues For Pain Palliation, Bone Cancer Therapy, And Bone Surface Conditioning (2000)
- Radium For Radionuclide Therapy, In Combination With Calcium Metabolism Affecting Treatment (2019), and multiple myeloma: Use Of Radium Ra-223 Chloride For The Treatment Of Multiple Myeloma (2018)
Radium targets can be irradiated to produce other radionuclides such as Ac 225 and its daughter Bi 213 for radiotherapy: Radium target and method for producing it (2007).
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All patent information has been obtained from Espacenet (European Patent Office).