Bayer Aktiengesellschaft

Heinrich Feltkamp

Roland Rupp

Andreas Ohm

Manfred Bucheler

Helmut Luchtenberg

A solid medicament preparation having long-lasting action containing a sparingly soluble dihydropyridine active compound of the Formula (I) ##STR1## the preparation having a core-coating construction, the core containing at least one of the above mentioned dihydropyridines in slow-release form, the inner-most coating situated around the core contains no active compound and only dissolves slowly and adjacent to the inner-most coating a rapid release initial dose of the active compound mixed with a polymer.

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Hennef, Germany

Heinrich Feltkamp