Feminine hygiene absorbent article comprising a superabsorbent foam of high swell rate

US9265855B2 · kind B2 · utility

Assignee

• The Procter & Gamble Company · US

Inventors

• Brian Francis Gray · Kobe, JP
• Achille Di Cintio · Pescara, IT
• Giovanni Carlucci · Chieti, IT
• Antje Ziemer · Mannheim, DE
• Anna Kowalski · Bischofswerda, DE
• Ernst Juergen Bauer · Ludwigshafen, DE
• Stefan Bruhns · Mannheim, DE

Key dates

• Filing date: May 11, 2012
• Grant date: Feb 23, 2016
• Expiry date: May 31, 2033

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/239
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

This invention relates to a feminine hygiene absorbent article comprising superabsorbent foams obtainable by foaming an aqueous mixture comprising at least one monoethylenically unsaturated monomer bearing acid groups, at least one blowing agent, at least one crosslinker and at least one surfactant, polymerizing the foamed mixture and drying the polymerized mixture, to the foams and also to their use for absorbing aqueous fluids.