RS-thioctic acid with novel morphology

US5455264A · kind A · utility

Assignee

• Asta Medica Aktiengesellschaft · DE

Inventors

• Thomas Beisswenger · Radebeul, DE
• Horst Bethge · Hanau, DE
• Joachim Goede · Hanau, DE
• Frank Hubner · Ober-Ramstadt, DE
• Klaus Huthmacher · Gelnhausen, DE
• Herbert Klenk · Hanau, DE
• Roland Moller · Herbrechtingen, DE

Key dates

• Filing date: Oct 12, 1993
• Grant date: Oct 3, 1995
• Expiry date: Oct 12, 2013

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D339/04
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

RS-thioctic acid with a novel morphology which is obtained by a recrystallization process.