Crystalline cepham acid addition salts and processes for their preparation

US5747484A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Rudolf Lattrell · Königstein, DE
• Walter Durckheimer · Hattersheim, DE
• Peter Schmid · Santa Fe Springs, US

Key dates

• Filing date: Nov 1, 1995
• Grant date: May 5, 1998
• Expiry date: Nov 1, 2015

Classification

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

Abstract

Novel crystalline cephem acid addition salts and processes for their preparation PA0 Compounds of the formula I ##STR1## in which n is equal to 1 or 2 and PA0 m is 0.4-2.6, and where X is the anion of a carboxylic acid, have antibacterial activity.