Disposable absorbent article comprising a durable hydrophilic acquisition layer

US8598406B2 · 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: Dec 3, 2013
• Expiry date: Jan 24, 2029

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61F2013/53721
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A disposable absorbent article having a durable hydrophilic substantially liquid pervious acquisition layer. The acquisition layer includes an acquisition layer substrate and a hydrophilicity boosting composition coated on the acquisition layer substrate. The hydrophilicity boosting composition includes a hydrophilicity boosting amount of nanoparticles having a particle size of from about 1 nanometer to about 750 nanometers.