Absorbent structures with coated water-absorbing material

US8999884B2 · kind B2 · utility

Assignee

• The Procter & Gamble Company · US

Inventors

• Karl Haeberle · Speyer, DE
• Klaus Dieter Hoerner · Ludwigshafen, DE
• Axel Meyer · Frankfurt am Main, DE
• Carolyn Ann Spitzmueller · Cincinnati, US
• Robin Lynn McKiernan · Mason, US

Key dates

• Filing date: May 1, 2012
• Grant date: Apr 7, 2015
• Expiry date: May 1, 2032

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61L15/60
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

Absorbent structures, and absorbent articles with such structures, comprising water-absorbing polymer having a coating of film-forming polyurethane and therein incorporated a hydrophilic silica.