DTPA derivatives substituted in a novel way, their metal complexes, and their use in diagnosis and therapy

US5746995A · kind A · utility

Assignee

• SCHERING CORPORATION · US

Inventors

• Franz-Karl Maier · Berlin, DE
• Michael Bauer · Berlin, DE
• Werner Krause · Plantsville, US
• Ulrich Speck · Berlin, DE
• Gabriele Schuhmann-Giampieri · Berlin, DE
• Andreas Muhler · Oderberg, DE
• Thomas Balzer · Berlin, DE
• Wolf-Rudiger Press · Berlin, DE

Key dates

• Filing date: Nov 30, 1995
• Grant date: May 5, 1998
• Expiry date: Nov 30, 2015

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T436/24
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The invention relates to new diethylenetriaminepentaacetic acid derivatives, their complexes and complex salts, that contain an element of atomic numbers 20-32, 39-51 or 57-83, pharmaceutical agents that contain these compounds and their use as contrast media and antidotes.