Multilayer Coated Vent Assembly
AssigneeW. L. Gore & Associates, Inc.
InventorsNicole Tavormina, David DeGennaro
Life of this patent
Estimating the term…
Abstract
There is provided a vent assembly comprising a membrane stack, the membrane stack comprising a plurality of membranes and an air gap between adjacent membranes in the plurality of membranes, wherein each membrane in the plurality of membranes comprise a non-fluoropolymer and substantially occlude each other in the membrane stack, wherein a first membrane in the plurality of membranes has an isopropyl alcohol (IPA) rating of at least 30% IPA/water.
Claims29
A vent assembly comprising a membrane stack, the membrane stack comprising a plurality of membranes and an air gap between adjacent membranes in the plurality of membranes, wherein each membrane in the plurality of membranes comprise a non-fluoropolymer and substantially occlude each other in the membrane stack, wherein a first membrane in the plurality of membranes has an isopropyl alcohol (IPA) rating of at least 30% IPA/water and at least one membrane in the plurality of membranes has a bubble point of at least 2 bar as measured using the test method provided herein.
Dependencies are inferred from the claim text.