Patent ID: 8066803
Filing Date: 2011-11-29
Classification: A01N,A47L,B01D,D06M,D21H,F24F,Y10S

Abstract:
1. A vacuum cleaner filter bag comprising: an interior of the vacuum cleaner filter bag; and a bag wall comprising a filter material; wherein (a) the interior of the vacuum cleaner filter bag or (b) the bag wall or (c) both the interior of the vacuum cleaner filter bag and the bag wall comprise fibers made of a biopolymer, the biopolymer itself having an antibacterial effect, the fibers comprise at least one of bamboo pulp fibers, bamboo staple fibers and chitosan fibers; wherein in (b) or (c) the bag wall comprises at least one nonwoven layer comprising the antibacterial fibers or the bag wall comprises at least two nonwoven layers between which the antibacterial fibers are arranged; wherein the at least one or the at least two nonwoven layers are a drylaid nonwoven layer, a wetlaid nonwoven layer or an extrusion nonwoven layer.