05.09.24
Andrea Andrew Peri, Kronberg, Germany; Aniruddha Chatterjee, Kelkheim , Germany; Peter Dziezok, Hochheim, Germany; Bruno Johannes Ehrnsperger, Bad Soden, Germany; Juliane Kamphus, Schwalbach, Germany; and Marion Lutsche, Schwalbach, Germany.
Assigned to The Procter & Gamble Company, Cincinnati, OH.
Filed: 9/23/21
Issued: 4/2/24
An absorbent article for personal hygiene comprising: a liquid permeable topsheet; a liquid impermeable backsheet; an absorbent core disposed between the topsheet and the backsheet; and an acquisition/distribution layer disposed between the absorbent core and the topsheet; wherein the absorbent core comprises: a core wrap enclosing an absorbent material comprising a combination of superabsorbent polymer particles and airfelt, the core wrap comprising a top side and a bottom side; one or more pairs of areas substantially free of absorbent material through which the top side of the core wrap is attached to the bottom side of the core wrap, so that when the absorbent material swells the core wrap forms one or more pairs of channels along the areas substantially free of absorbent material; wherein at least one pair of the one or more pairs of areas substantially free of absorbent material is arranged symmetrically relative to a longitudinal axis; wherein the superabsorbent polymer particles have a time to reach an uptake of 20 g/g (T20) of less than 240s, as measured according to a K(t) test method; and wherein the attachment between the top side core wrap and the bottom side core wrap is achieved through adhesive bonding, pressure bonding, ultrasonic bonding, heat bonding, or combinations thereof.
Assigned to The Procter & Gamble Company, Cincinnati, OH.
Filed: 9/23/21
Issued: 4/2/24
An absorbent article for personal hygiene comprising: a liquid permeable topsheet; a liquid impermeable backsheet; an absorbent core disposed between the topsheet and the backsheet; and an acquisition/distribution layer disposed between the absorbent core and the topsheet; wherein the absorbent core comprises: a core wrap enclosing an absorbent material comprising a combination of superabsorbent polymer particles and airfelt, the core wrap comprising a top side and a bottom side; one or more pairs of areas substantially free of absorbent material through which the top side of the core wrap is attached to the bottom side of the core wrap, so that when the absorbent material swells the core wrap forms one or more pairs of channels along the areas substantially free of absorbent material; wherein at least one pair of the one or more pairs of areas substantially free of absorbent material is arranged symmetrically relative to a longitudinal axis; wherein the superabsorbent polymer particles have a time to reach an uptake of 20 g/g (T20) of less than 240s, as measured according to a K(t) test method; and wherein the attachment between the top side core wrap and the bottom side core wrap is achieved through adhesive bonding, pressure bonding, ultrasonic bonding, heat bonding, or combinations thereof.
