IP Library › Granted Patent US 10,910,123
Granted Patent B2
US 10,910,123 · App. 16/228,637 · Granted Feb 2, 2021

Methods and devices for isolating lead 203

Inventor: Keith R. Olewine (Temple, NH)
Assignee: Lantheus Medical Imaging, Inc.
G21F9/007A61K51/00B01D15/426C22B13/04G21G1/001G21G2001/0094
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Quick Facts
Patent No.
US 10,910,123
App. No.
16/228,637
Granted
Feb 2, 2021
Kind
B2
Abstract

Methods for isolating Pb and/or Pb isotopes from various sources are provided. Compositions comprising Pb and/or Pb isotopes free of certain amounts of various contaminants are also provided.

Claims (25)

1. A composition, comprising

203 Pb and less than 0.1 μg/mCi Ni and/or

less than 0.1 μg/mCi Cu and/or,

less than 0.5 μg/mCi Zn,

wherein any one of Ni, Cu and Zn is present in the composition.

2. The composition of claim 1 , further comprising less than 0.25 μg/mCi Fe.

3. The composition of claim 1 , further comprising less than 0.05 μg/mCi Tl.

4. The composition of claim 2 , further comprising less than 0.05 μg/mCi Tl.

5. The composition of claim 1 , further comprising 0.5 M hydrochloric acid.

6. The composition of claim 2 , further comprising 0.5 M hydrochloric acid.

7. The composition of claim 3 , further comprising 0.5 M hydrochloric acid.

8. The composition of claim 4 , further comprising 0.5 M hydrochloric acid.

9. The composition of claim 1 , wherein the pH of the composition is 5-6.

10. The composition of claim 2 , wherein the pH of the composition is 5-6.

11. The composition of claim 3 , wherein the pH of the composition is 5-6.

12. The composition of claim 4 , wherein the pH of the composition is 5-6.

13. The composition of claim 5 , wherein the pH of the composition is 5-6.

14. The composition of claim 6 , wherein the pH of the composition is 5-6.

15. The composition of claim 7 , wherein the pH of the composition is 5-6.

16. The composition of claim 8 , wherein the pH of the composition is 5-6.

17. The composition of claim 1 , wherein any two of Ni, Cu and Zn are present in the composition.

18. The composition of claim 1 , wherein Ni, Cu and Zn are present in the composition.

19. The composition of claim 2 , wherein Ni, Cu, Zn and Fe are present in the composition.

20. The composition of claim 3 , wherein Ni, Cu, Zn and Tl are present in the composition.

21. The composition of claim 4 , wherein Ni, Cu, Zn, Fe and Tl are present in the composition.

Assignments (4)
RELEASE OF SECURITY INTEREST Recorded Dec 2, 2022
From: WELLS FARGO BANK, N.A.
To: LANTHEUS MEDICAL IMAGING, INC.
Reel/Frame 062047/0925 →
SECURITY INTEREST Recorded Dec 2, 2022
From: LANTHEUS MEDICAL IMAGING, INC.; MOLECULAR INSIGHT PHARMACEUTICALS, INC.; PSMA DEVELOPMENT COMPANY, LLC; PROGENICS PHARMACEUTICALS, INC.
To: CITIZENS BANK, N.A.
Reel/Frame 062047/0960 →
SECURITY AGREEMENT Recorded Jun 28, 2019
From: LANTHEUS MEDICAL IMAGING, INC.
To: WELLS FARGO BANK, N.A.
Reel/Frame 049628/0001 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 26, 2019
From: OLEWINE, KEITH R.
To: LANTHEUS MEDICAL IMAGING, INC.
Reel/Frame 049588/0794 →