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:
Mar. 26, 2024
Filed:
Sep. 05, 2019
Merck Patent Gmbh, Darmstadt, DE;
Christian Berducat, Saint-Mandé, FR;
Merck Patent GmbH, Darmstadt, DE;
Abstract
A vent filter (), preferably for a pure liquid storage tank, comprising a cylindrical shell (), at least one compartment (A) for accommodating granular filter material (), said at least one compartment (A) defined between an inner peripheral surface () of the shell () and a pair of spaced apart separator plates () arranged in the shell () such that the spacing of the separator plates () in the axial direction of the shell () can be changed and fixed so as to apply a pressure on the granular filter material () in the at least one compartment (A). An air inlet () and an air outlet () are respectively arranged to allow a flow of air through the granular filter material () in the at least one compartment (A).