US 12,237,092 B2
Purification process for the preparation of non-carrier added copper-64
David Pipes, St. Louis, MO (US); Lauren Radford, St. Louis, MO (US); William Uhland, St. Louis, MO (US); Brian Regna, St. Louis, MO (US); Craig Brunkhorst, St. Louis, MO (US); and Shaun Loveless, St. Louis, MO (US)
Assigned to Curium US LLC, St. Louis, MO (US)
Filed by Curium US LLC, St. Louis, MO (US)
Filed on Aug. 28, 2023, as Appl. No. 18/238,972.
Application 18/238,972 is a continuation of application No. 17/993,186, filed on Nov. 23, 2022, granted, now 11,798,701.
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 63/074,356, filed on Sep. 3, 2020.
Prior Publication US 2023/0402199 A1, Dec. 14, 2023
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)] 29 Claims
 
1. A composition for use as a radioactive precursor comprising from 2 Ci to 15 Ci of copper-64 (64Cu), wherein the radionuclidic purity of the 64Cu is greater than 98.5%, and wherein the composition has a total content of trace metals of less than about 6 parts per million (ppm), the trace metals being cobalt, copper, gold, iron, lead, mercury, nickel, and zinc.