DTPA di-alkyl monoamides for x-ray and MRI

US5730956A · kind A · utility

Assignee

• SCHERING CORPORATION · US

Inventors

• Johannes Platzek · Berlin, DE
• Ulrich Niedballa · Berlin, DE
• Peter Mareski · Berlin, DE
• Bernd Raduchel · Berlin, DE
• Hanns-Joachim Weinmann · Berlin, DE
• Andreas Muhler · Oderberg, DE
• Bernd Misselwitz · Berlin, DE

Key dates

• Filing date: Jun 7, 1995
• Grant date: Mar 24, 1998
• Expiry date: Jun 7, 2015

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D213/55
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The invention relates to diethylenetriaminepentaacetic acid monoamide derivatives, their complexes and complex salts, containing gadolinium, dysprosium, iron or manganese, pharmaceutical agents containing these compounds, their use as contrast media and process for their production.