A - Human Necessities – 62 – B
Patent
A - Human Necessities
62
B
A62B 7/00 (2006.01) A41D 13/11 (2006.01) A61M 16/06 (2006.01) A62B 23/02 (2006.01) B01D 39/00 (2006.01)
Patent
CA 2747388
A filter element includes a porous non-woven web. The porous non-woven web includes a first layer with first thermoplastic elastomeric polymer fibers and first active particles disposed therein and a second layer including second thermo-plastic elastomeric polymer fibers and second active particles disposed therein. The web possesses a three-dimensional deforma-tion and the first layer is contiguous with the second layer across the deformation.
L'invention porte sur un élément de filtre qui comprend une bande non tissée poreuse. La bande non tissée poreuse comprend une première couche avec de premières fibres polymères élastomères thermoplastiques et de premières particules actives disposées dans celles-ci, et une seconde couche comprenant de secondes fibres polymères élastomères thermoplastiques et de secondes particules actives disposées dans celles-ci. La bande présente une déformation en trois dimensions, et la première couche est contiguë à la seconde couche sur la déformation.
Billingsley Britton G.
Jones Marvin E.
3m Innovative Properties Company
Smart & Biggar
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