High efficiency absorbent articles for incontinence management

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United States of America Patent

PATENT NO 5147345
SERIAL NO

07743950

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Disclosed are absorbent articles, such as diapers, for the management of incontinence. Such articles utilize in their absorbent cores a fluid acquisition/distribution component and a fluid storage/redistribution component maintained in fluid communication with the acquisition/distribution component. The fluid acquisition/distribution component can be any porous hydrophilic, e.g., fibrous or foam-based, material which will provide an initial Fluid Acquisition Rate of at least 2 mL of synthetic urine per second and will also preferably provide a 30-minute Vertical Wicking Height of at least 2 cm. The fluid storage/redistribution component comprises a hydrophilic, flexible, open-celled polymeric foam having a free absorbent capacity of at least about 12 mL of synthetic urine per gram of dry foam and an absorbent capacity under a 5.1 kPa confining pressure which is at least 5% of this free capacity. Preferred fluid acquisition/distribution component materials comprise chemically stiffened, twisted, curled cellulosic fibers. Preferred fluid storage/redistribution component materials comprise absorbent foams prepared by polymerizing a high internal phase emulsion (HIPE).

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Patent Owner(s)

Patent OwnerAddress
PROCTER & GAMBLE COMPANY THE6090 CENTER HILL ROAD ATTENTION CHIEF PATENT COUNSEL CINCINNATI OH 45224

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
LaVon, Gary D Harrison, OH 28 4565
Taylor, Gregory W Springdale, OH 4 2344
Young, Gerald A Cincinnati, OH 20 4878

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