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Patents

Absorbent Article with Improved Bonding:

U.S. Patent No. 11,446,187

Author Image

By: Tara Olivo

Associate Editor at Nonwovens Industry, Rodman Media

Ralf Geilich, Eppstein Hessen, Germany; Vito Carla, Goldbach, Germany; Digvijay Rawat, Sycamore Township, OH; Ronda Lynn Glassmeyer, Cincinnati, OH; Pietro Cecchettto, Fairfield, OH; Christopher Philip Bewick-Sonntag, Montgomery, OH; and Christian Seib, Bad Friedrichshall, Germany.
Assigned to The Procter & Gamble Company, Cincinnati, OH.

Filed: 11/9/16
Issued: 9/20/22

A feminine hygiene napkin comprising: a liquid pervious film topsheet having a body facing surface and a garment facing surface, the film topsheet comprising polyethylene; a backsheet having a body facing surface and a garment facing surface; an absorbent core having a body facing surface and a garment facing surface, the absorbent core being provided between the topsheet and the backsheet; and a bonding layer having a basis weight of less than 100 gsm and comprising unmodified cellulosic fibers or chemically modified wood pulp, and thermoplastic sheath/core bicomponent fibers comprising a polyethylene sheath component, the bonding layer being positioned between the absorbent core and the topsheet, the bonding layer being directly bonded to the topsheet in a bond pattern, wherein discrete bonds forming the bond pattern are formed by melt fusing the topsheet to the bonding layer, wherein the bond pattern covers at least about 10% to about 20% of a surface area of the absorbent article, the bond pattern has a sized spacing between adjacent bonding points sufficient to have inscribed therein a circle having a diameter of about 1 mm to about 12 mm; and a majority of the discrete bonds have an area less than 2.5 square millimeters.

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