Patent ID: 7294175
Filing Date: 2007-11-13
Classification: A41D,A62B,Y10S

Abstract:
1. A personal inhalation filter for attracting and capturing bacteria and virus comprising: a generally planar layer of first filter fibers; a generally planar layer of second filter fibers having a positive electrical charge, the first filter fibers and the second filter fibers overlapping to form a multilayer filter with the first filter layer forming an exterior side and the second filter layer forming a contact side; the second filter fibers further comprising polypropylene fibers, wherein the polypropylene fibers have a diameter of about 25 μm; the polypropylene fibers treated with hexadecytriethylaminonium bromide or dimethyldioctadecylammoniuxn bromide; an edge filter of fluffed polypropylene fibers having a contact side and an attachment side, the attachment side of the edge filter securing the edge filter along the perimeter of the contact side of the multilayer filter; and means for securing the multilayer filter to the face of a user.