Feminine hygiene absorbent articles comprising water-absorbing composites

US9149556B2 · kind B2 · utility

Assignee

• The Procter & Gamble Company · US

Inventors

• Achille Di Cintio · Pescara, IT
• Antje Ziemer · Mannheim, DE
• Horst Kaluza · Ludwigshafen, DE
• Ernst Juergen Bauer · Ludwigshafen, DE
• Stefan Bruhns · Mannheim, DE
• Thomas Daniel · Waldsee, DE
• John C. Schmitt · Indialantic, US
• Kerstin Meyer-Lipp · Bad Nauheim, DE
• Guenter Reinhard Schmidt · Schifferstadt, DE

Key dates

• Filing date: May 11, 2012
• Grant date: Oct 6, 2015
• Expiry date: Apr 7, 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 water-absorbing composites obtainable by foaming an aqueous mixture comprising at least one monoethylenically unsaturated monomer bearing acid groups, at least one crosslinker, at least one initiator and at least one surfactant, contacting the foam obtained with at least one web of synthetic fibers and polymerizing, to the composites themselves and to their use for absorbing aqueous fluids.