Patent ID: 6596112
Filing Date: 2003-07-22
Classification: B01D,B32B,Y10T

Abstract:
A method of making a filter laminate, comprising the steps of:1) providing a first plurality of discreet layers of material, wherein at least one of the layers comprises an asymmetric membrane; 2) contacting the layers to form a first stack, wherein each layer is adjacent at least one other layer in the stack; 3) forming a bond between adjacent layers in the first stack, wherein the bond is formed after the formation of the material of the layers, thereby forming a first laminated stack layer; 4) contacting the first laminated stack with a second layer of material; and 5) forming a bond between the first laminated stack layer and the second layer, wherein the bond is formed after the formation of the material of the layers, thereby forming a filter laminate.