Highly efficient surge material for absorbent article

US5994615A · kind A · utility

Assignee

• Kimberly-Clark Worldwide, Inc. · US

Inventors

• Richard Norris Dodge, II · Appleton, US
• Clifford Jackson Ellis · Woodstock, US
• Connie Lynn Hetzler · Alpharetta, US
• Sylvia Bandy Little · Marietta, US
• Tamara Lee Mace · Marietta, US
• Lawrence Howell Sawyer · Neenah, US
• Hoa La Wilhelm · Appleton, US

Key dates

• Filing date: Dec 16, 1998
• Grant date: Nov 30, 1999
• Expiry date: Dec 16, 2018

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T442/698
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

There is provided a surge material for personal care products which is a wettable web of fibers of 30 microns in diameter or less where the web has a permeability between about 250 and 1500 Darcys, a capillary tension between about 1.5 and 5 cm, and which maintains that permeability and capillary tension over the life of the web. Its preferred that the web have a density between about 0.02 g/cc to about 0.07 g/cc.