Feminine hygiene absorbent articles comprising water-absorbing polymer particles

US8987545B2 · kind B2 · utility

Assignee

• The Procter & Gamble Company · US

Inventors

• Brian Francis Gray · Kobe, JP
• Achille Di Cintio · Pescara, IT
• Giovanni Carlucci · Chieti, IT
• Francisco Javier Lopez Villanueva · Schifferstadt, DE
• Markus Linsenbuehler · Ludwigshafen, DE
• Matthias Weismantel · Bad Orb, DE
• Bernd Siegel · Ludwigshafen, DE

Key dates

• Filing date: May 11, 2012
• Grant date: Mar 24, 2015
• Expiry date: Mar 23, 2033

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61L15/48
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A feminine hygiene absorbent article comprising water-absorbing polymer particles, obtainable by polymerization of a foamed monomer solution or suspension, drying, grinding and classification.