Patent ID: 9492792
Filing Date: 2016-11-15
CPC Classification: B01D,B29C,B32B

Claim Text:
1. A device comprising, two sheets of a substrate material, each of the two sheets of substrate material having four edges, an inner surface extending between the four edges on one side of the sheet of substrate material and an outer surface extending between the four edges on the opposite side of the sheet of substrate material, at least one of the sheets of substrate material having depressions defined by its inner surface and corresponding ridges defined by its outer surface, the depressions extending to an edge of the at least one of the sheets of substrate material, the two sheets of substrate material having their inner surfaces bonded together along two of their four edges, which two edges are parallel to the depressions, and along one or more lines between the depressions, whereby the depressions form internal permeate channels between the two sheets of substrate material, the internal permeate channels being open to at least one of the edges of the at least one of the sheets of substrate material and; a filtration membrane material coated on the outer surfaces of the two sheets of substrate material.