A - Human Necessities – 61 – L
Patent
A - Human Necessities
61
L
A61L 15/22 (2006.01) A61L 15/42 (2006.01) D04H 13/00 (2006.01)
Patent
CA 2135425
There is disclosed a porous non-woven absorbent structure formed from fibers. The porous structure has a basis weight within the range of at least about 0.25 osy to about 10.0 osy a density of at least about 0.01 g/cc to about 0.15 g/cc. The porous structure is adapted such that upon the application of at least 2 ml of fluid Bovine blood-oxalate to a surface thereof, substantially all of said fluid enters the bulk of the porous structure within about 45 seconds. The porous structure may be single layered or include multiple layers. The single layered structure is formed from spunbonded thermoplastic fibers which include a hydrophilic internal additive. The multiple layered structure is formed by laminating a spunbonded web to a second layer. The second may be formed from natural or synthetic fibers. When formed from synthetic fibers, the second layer is generally formed from meltblown fibers which may also include a hydrophobic internal additive. The fibers forming either the spunbond or the meltblown layers may be mono-component or bi- component. In some applications, a liquid impervious film may be secured to a surface of the second layer.
Jascomb Jerald Theodore
Perkins Cheryl Anne
Potts David Charles
Powers Michael David
Yahiaoui Ali
Borden Ladner Gervais Llp
Kimberly-Clark Worldwide Inc.
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