Merck Patent Gmbh

Sylvain Frey

Philippe Rivat

A filter device () for filtering complex fluid samples including a first filter funnel () having an inlet (), an outlet () and a first internal space (), and a second filter funnel () having an inlet (), an outlet () and a second internal space (). The first and second filter funnels () are sequentially arranged with a first filter medium () located therebetween such that a volume of sample fluid placed in the first internal space () can pass through the first filter medium () and be collected in the second internal space (). An intermediate connector () is provided between the first filter medium () and the internal space (). The intermediate connector () has a port () and/or a vent for communicating the internal second space () with an external gas source/atmosphere and/or a vacuum source via a valve arrangement ().

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Reutenbourg, France

Sylvain Frey