Crystalline cephem acid addition salts and process for their preparation

US5409918A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Friedhelm Adam · Hofheim, DE
• Walter Durckheimer · Hattersheim, DE
• Burkhard Mencke · Holzappel, DE
• Dieter Isert · Eschborn, DE

Key dates

• Filing date: Aug 21, 1992
• Grant date: Apr 25, 1995
• Expiry date: Aug 21, 2012

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61P31/04
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Crystalline cephem acid addition salts of the general formula II ##STR1## pharmaceutical preparations effective against bacterial infections which contain such cephem derivatives, processes for the preparation of the cephem derivatives and the pharmaceutical preparations, and the use of the cephem derivatives for combating bacterial infections.