The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 28, 2019
Filed:
Aug. 06, 2014
Merck Patent Gmbh, Darmstadt, DE;
Philippe Rivat, Dorlisheim, FR;
Sylvain Frey, Reutenbourg, FR;
MERCK PATENT GMBH, Darmstadt, DE;
Abstract
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 ().