Absorbent structures including coated absorbent material

US8502012B2 · kind B2 · utility

Assignee

• The Procter & Gamble Company · US

Inventors

• Axel Meyer · Frankfurt am Main, DE
• Robin Lynn McKiernan · Mason, US
• Jean-Philippe Marie Autran · Wyoming, US
• Gabriele Stiehl · Schwalbach, DE

Key dates

• Filing date: Jun 16, 2009
• Grant date: Aug 6, 2013
• Expiry date: Sep 30, 2030

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/25
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

An absorbent layer containing water-absorbing polymeric particles that are surface-treated and that are immobilized by a matrix, formed from a thermoplastic adhesive component, including a thermoplastic polymers and a specific plasticizer, and being free of low weight average molecular weight (e.g. below 1000, or below 2000 or even below 3000 g/mole) tackifiers and plasticizers. The absorbent articles may for example be adult incontinence articles, infant (e.g. baby, toddler) diapers, including training pants, and feminine hygiene articles, such as sanitary napkins.