Patent ID: 7732357
Filing Date: 2010-06-08
Classification: A61K,A61Q,D21H,Y10T

Abstract:
1. A fibrous nonwoven web material comprising at least about 50 percent by weight natural cellulose fibers, at least about 5 percent by weight manmade high crystallinity cellulose fibers having a crystallinity of at least about 40 percent and a binder component comprising 0.5 percent to less than 2 percent by weight of binder fibers; wherein the web material is entangled, has a dried basis weight in the range of about 30 to about 90 grams per square meter, has a wet tensile strength (for a 55 gsm basis weight) in the machine direction of at least about 160 gms/25 mm, and has a maximum flush break up time (B) of 45 seconds, and wherein the binder fibers consist of bicomponent fibers, each of the bicomponent fibers having a sheath consisting of at least one of polyethylene and polypropylene.