Absorbent articles with improved core

US10653570B2 · kind B2 · utility

Assignee

• The Procter & Gamble Company · US

Inventors

• Birgit Wirtz · Cologne, DE
• Walter Pieter Hendrik Laurentius Van Der Klugt
• Rodrigo Rosati · Francavilla al Mare, IT
• Ernesto Gabriel Bianchi · Oberursel, DE
• Aniruddha Chatterjee · Kelkheim, DE
• Carsten Heinrich Kreuzer · Hofheim, DE
• Holger Beruda · Schwalbach, DE

Key dates

• Filing date: Dec 16, 2016
• Grant date: May 19, 2020
• Expiry date: Sep 26, 2038

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61F2013/5395
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

An absorbent article including a wearer-facing topsheet, a backsheet and an absorbent core disposed between the topsheet and the backsheet, characterized in that the absorbent core includes: a first absorbent layer comprising a first substrate, a layer of first superabsorbent polymer particles deposited on the first substrate, and a fibrous layer of thermoplastic adhesive material covering the layer of first superabsorbent polymer particles; a second absorbent layer, the second absorbent layer comprising a second substrate and a mixed layer deposited on the second substrate, the mixed layer comprising a mixture of second superabsorbent particles and cellulosic fibers, the first absorbent layer and the second absorbent layer being combined together such that at least a portion of the fibrous layer of thermoplastic adhesive material of the first absorbent layer contacts at least a portion of the mixed layer of the second absorbent layer, and wherein the first absorbent layer is placed closer to the topsheet than the second layer.