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US 2017/0056830 A1Published application
Membrane Laminate
AssigneeEMD Millipore Corporation
InventorKevin Rautio
Life of this patent
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Abstract
A laminate is provided comprising at least one polysulfone and/or polyethersulfone porous membrane heat bonded to a polyvinylidene fluoride substrate.
Claims6
A process of forming a filtration device comprising providing a at least one porous membrane selected from the group consisting of polysulfone, polyethersulfone, blends thereof and copolymers thereof;
- providing a first and a second support plate wherein the first and second support plates are formed of PVDF, the support plates having a first surface facing each other and a second surface opposite the first surface of each plate and the plates having at least one port formed from the first surface to the second surface of each plate respectively;
- heat bonding the at least one membrane to a first surface of the first support plate;
- and heat bonding the first surface of the first plate to the first surface of the second plate in an area outside of the area of the first surface of the first plate to which the membrane has been bonded.
Dependencies are inferred from the claim text.