US 12,462,943 B2
Purification process for the preparation of non-carrier added copper-64
Brian Regna, St. Louis, MO (US); Allan Casciola, St. Louis, MO (US); Lauren Radford, St. Louis, MO (US); Shaun Loveless, St. Louis, MO (US); David Pipes, St. Louis, MO (US); William Uhland, St. Louis, MO (US); and Craig Brunkhorst, St. Louis, MO (US)
Assigned to CURIUM US LLC, St. Louis, MO (US)
Filed by Curium US LLC, St. Louis, MO (US)
Filed on Apr. 21, 2025, as Appl. No. 19/184,830.
Application 19/184,830 is a continuation of application No. 18/745,896, filed on Jun. 17, 2024, granted, now 12,315,649.
Application 18/745,896 is a continuation in part of application No. 18/238,972, filed on Aug. 28, 2023, granted, now 12,237,092.
Application 18/238,972 is a continuation of application No. 17/993,186, filed on Nov. 23, 2022, granted, now 11,798,701, issued on Oct. 24, 2023.
Application 17/993,186 is a continuation of application No. 17/894,874, filed on Aug. 24, 2022, granted, now 11,581,103, issued on Feb. 14, 2023.
Application 17/894,874 is a continuation of application No. 17/466,443, filed on Sep. 3, 2021, granted, now 11,521,762, issued on Dec. 6, 2022.
Claims priority of provisional application 63/654,662, filed on May 31, 2024.
Claims priority of provisional application 63/074,356, filed on Sep. 3, 2020.
Prior Publication US 2025/0253066 A1, Aug. 7, 2025
This patent is subject to a terminal disclaimer.
Int. Cl. G21G 1/00 (2006.01); A61K 51/04 (2006.01); C01G 3/00 (2006.01); G21G 1/10 (2006.01); G21G 4/08 (2006.01)
CPC G21G 1/001 (2013.01) [A61K 51/0482 (2013.01); C01G 3/003 (2013.01); G21G 1/10 (2013.01); G21G 4/08 (2013.01); G21G 2001/0094 (2013.01)] 30 Claims
 
1. A composition for use as a radioactive precursor comprising from 2 Ci to 15 Ci of copper-64 (64Cu), and having a specific activity of at least about 25 mCi 64Cu/μg Cu, wherein the composition comprises chemical and radionuclidic purities suitable for positron emission tomography (PET).