Diaper with improved body fit

US8735646B2 · kind B2 · utility

Assignee

• The Procter & Gamble Company · US

Inventors

• Holger Beruda · Schwalbach, DE
• Yasue Nakagawa · Bad Soden, DE
• Mattias Schmidt · Idstein, DE
• Hiroyuki Ikeuchi · Osaka, JP
• Kazushi Torii · Kasai, JP
• Shigeru Sakamoto · Minato, JP
• Taku Iwamura · Himeji, JP
• Sayaka Machida · Himeji, JP

Key dates

• Filing date: Mar 28, 2005
• Grant date: May 27, 2014
• Expiry date: Nov 12, 2028

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61F2013/5307
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

An absorbent article that has a thin, conformable absorbent core where the core has at least two layers, both of which are substantially free of cellulosic fibers is described. The first layer is intended to provide storage for the majority of acquired fluids and has an AAP of at least about 20 g/g and the second layer, which provides temporary capacity for the bulk of the acquired fluid and permanent storage for at least a portion thereof, comprises a second absorbent polymer material which has a Wet Permeability of at least about 400×10−7 (cm3 seconds)/g a ratio of Wet Permeability to SFC of at least about 1.5:1 with respect to the first absorbent polymer material.