Pulp and synthetic fiber absorbent composites for personal care products

US6759567B2 · kind B2 · utility

Assignee

• Kimberly-Clark Worldwide, Inc. · US

Inventors

• Charles W. Colman · Roswell, US
• Rodney L. Abba · Oshkosh, US
• Jaime Braverman · Atlanta, US
• John Thomas Cooper · Sharonville, US
• Maureen Falls · Neenah, US
• Tiffany Marshalle Lee Hunter · Stone Mountain, US
• Steven Inabinet · Knoxville, US
• David M. Jackson · Roswell, US
• Nancy Donaldson Kollin · Roswell, US
• Yen-Ling Lai · Duluth, US
• Sylvia Bandy Little · Marietta, US
• Robert J. Makolin · Neenah, US
• David Nickel · Menasha, US

Key dates

• Filing date: Jun 27, 2001
• Grant date: Jul 6, 2004
• Expiry date: Jul 10, 2022

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61F2013/530226
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A personal care product that has a liquid impermeable backsheet, a liquid permeable topsheet, and an absorbent composite located between the topsheet and backsheet. The absorbent composite has an upper layer made of synthetic fiber with at most 20 weight percent pulp and the upper layer has a density between about 0.03 and 0.15 g/cc and a basis weight between about 20 to 75 gsm. The composite has a lower layer having from 80 to 95 weight percent pulp, at most 20 weight percent binder, and has a density greater than the upper layer and between 0.06 and 0.20 g/cc, and a basis weight between 120 and 200 gsm.