Disposable absorbent article comprising a durable hydrophilic core wrap

US7923597B2 · kind B2 · utility

Assignee

• The Procter & Gamble Company · US

Inventors

• Ekaterina Anatolyevna Ponomarenko · Schwalbach am Taunus, DE
• John David Carter · Bolingbrook, US
• Ronald Dean Cramer · Cincinnati, US
• Mattias Schmidt · Idstein, DE
• Robert Henry Rohrbaugh · Hamilton, US

Key dates

• Filing date: Jun 30, 2006
• Grant date: Apr 12, 2011
• Expiry date: Jun 30, 2026

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61F2013/53472
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A disposable absorbent article having a durable hydrophilic substantially liquid pervious core wrap surrounding a storage layer. The core wrap has a hydrophilicity boosting composition coated on a core wrap substrate. The hydrophilicity boosting composition includes a hydrophilicity boosting amount nanoparticles having a particle size of from about 1 nanometer to about 750 nanometers.