Technetium-99m triphosphonates and tetraphosphonates for the scintigraphic visualization of res-containing organs and lymph vessels, and a process for their preparation
AssigneeHoechst Aktiengesellschaft
InventorsHans-Jerg Kleiner, Gerhard Kloss, Michael Molter, Alexander Schwarz, Horst-Dieter Thamm
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Abstract
A diagnostic agent for the visualization of RES-containing organs or of lymph vessels, containing .sup.99m Tc triphosphonates or tetraphosphonates in physiologic saline, and a process for their preparation.
Claims2
A diagnostic agent for the visualization of RES-containing organs and the lymph vessels, which contains one or more compounds labeled with technetium-99m selected from the group consisting of 2,4,4-triphosphonobutyric acid (TPB), ethane-1,1,2,2-tetraphosphonic acid (ETP), propane-1,1,3,3-tetraphosphonic acid (PTP) and butane-1,1,4,4-tetraphosphonic acid (BTP) or a suitable salt thereof in physiologic saline.
Dependencies are inferred from the claim text.