D - Textiles – Paper – 04 – H
Patent
D - Textiles, Paper
04
H
D04H 1/70 (2006.01) B65B 31/00 (2006.01)
Patent
CA 2699373
In a first embodiment, a hydraulically-formed nonwoven sheet, a package comprising such sheet, a method of packaging a medical device using a package with such sheet and a method of manufacturing such sheet are provided. This nonwoven sheet comprises first and second non- cellulosic polymeric fibers. The first non-cellulosic polymeric fibers have an average diameter less than about 3.5 micron, an average cut length less than about 3 millimeters and an average aspect ratio of about 400 to about 2000; the second non-cellulosic polymeric fibers have an average diameter greater than about 3.5 micron and an average aspect ratio of about 400 to about 1000. In a second embodiment, a hydraulically-formed nonwoven sheet is provided. This nonwoven sheet comprises binding material, non-cellulosic polymeric fibers and cellulosic based materials. The non-cellulosic polymeric fibers have an average diameter less than about 3.5 micron, an average cut length less than about 3 millimeters and an average aspect ratio of about 400 to about 2000. The second nonwoven sheet has a bacterial filtration efficiency of at least about 98%.
Jansen Christopher Rene
Mitchell Marvin Lynn
Mitchell Melvin Glenn
Mitchell Paula Hines
Wolfe Amber Layne
Bemis Company Inc.
Sim & Mcburney
LandOfFree
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