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Patents

Absorbent Article with Breathable Backsheet:

U.S. Patent No. 11,273,084

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By: Tara Olivo

Associate Editor at Nonwovens Industry, Rodman Media

Ulrika Persson, Gothenburg, Sweden; Pia Kalentun, Gothenburg, Sweden; and Ida Jensen, Gothenburg, Sweden.
Assigned to Essity Hygiene and Health Aktiebolag, Gothenburg, Sweden.

Filed: 8/24/16
Issued: 3/15/22

An absorbent article comprising a liquid-permeable topsheet having a body facing surface and a garment facing surface, a liquid-impermeable backsheet having a body facing surface and a garment facing surface, wherein an absorbent core is positioned between the topsheet and the backsheet, and wherein the absorbent article has a longitudinal central line (A) extending through the absorbent article and wherein the absorbent article extends in the direction of the longitudinal central line (A) and a transverse direction, which is perpendicular to the direction of the longitudinal central line (A), and the absorbent article further comprises pressure sensitive adhesive on the garment facing surface of the backsheet, and wherein the backsheet is a breathable polyolefin-based film having a grammage of from 15-25 gsm, a Water Vapour Transmission Rate measured according to NWSP 070.4.RO (15) of at least 1000 g/m2/24 h, and a tear resistance measured according to Elmendorf Tear ASTM D1922 (15) of at least 300 mN, wherein the pressure sensitive adhesive on the backsheet comprises a spray-coated adhesive on a surface to be attached on a body facing surface of a crotch region of a garment and a slot-coated adhesive on a surface to be attached on an outer surface of the crotch region of the garment.

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