Patent ID: 6596049
Filing Date: 2003-07-22
Classification: A24D,D01D,D04H,Y10S

Abstract:
A high filtration element comprising a homogeneous web of mixed fibers bonded to each other at spaced points of contact to form a tortuous path for the passage of a fluid therethrough, at least some of said fibers being positively charged and others of said fibers being negatively charged, said positively charged fibers attracting negatively charged impurities in a fluid passing through the filter element, and said negatively charged fibers attracting positively charged impurities in a fluid passing through the filter element, said positively charged fibers comprising nylon and said negatively charged fibers comprising a material selected from the group consisting of homopolymers and copolymers of fluorocarbon polymers and chlorinated fluorocarbon polymers.