Technetium-99m triphosphonates and tetraphosphonates for the scintigraphic visualization of res-containing organs and lymph vessels, and a process for their preparation

US4693884A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Hans-Jerg Kleiner · Kronberg, DE
• Gerhard Kloss · Kelkheim, DE
• Michael Molter · Dunlap, US
• Alexander Schwarz · Soest, DE
• Horst-Dieter Thamm · Kelkheim, DE

Key dates

• Filing date: Oct 7, 1983
• Grant date: Sep 15, 1987
• Expiry date: Oct 7, 2003

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K2123/00
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

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.