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US6156020: Absorbent article with micro-particulate storage member

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Filing Information

Inventor(s) Donald C. Roe · Aleksey M. Pinyayev · Mason; Oliver E. C. · John L. Hammons ·
Assignee(s) The Procter & Gamble Company ·
Attorney/Agent(s) David M. Weirich ·
Primary Examiner John G. Weiss ·
Assistant Examiner Carie Mager ·
Application Number US9172591
Filing date 10/14/1998
Issue date 12/05/2000
Predicted expiration date 10/14/2018
U.S. Classifications 604/385.01  · 604/359  ·
International Classifications A61F 1315  ·
Kind CodeA
International Classifications 604358;378;385.1;367;370;359;368;369 ·
Related U.S. Application DataThis application claims the benefit of U.S. Provisional Application No. 60/066,777, filed Nov. 14, 1997.
27 Claims, No Drawings


Abstract

An absorbent article comprising a liquid pervious topsheet, a liquid pervious backsheet joined to at least a portion of the topsheet, an absorbent core disposed between at least a portion of the topsheet and the backsheet, and a waste management element disposed in at least a portion of the crotch region. The waste management element preferably includes a macro-particulate structure comprising a multiplicity of particulate having a nominal size of between about 1 mm and about 25.4 mm. The waste management element preferably has an Acceptance Under Pressure value of greater than about 0.50 grams of a viscous fluid bodily waste per square inch of the waste management element per milliJoule of energy input. The waste management element preferably also has a Storage Under Pressure value of at least about 0.70 grams of the viscous fluid bodily waste per square inch of the waste management element. The waste management element may also have an Immobilization Under Compressed Inversion value of greater than about 70% of the viscous fluid bodily waste accepted by the waste management element.

Independent Claims | See all claims (27)

  1. 1. An absorbent article having a first waist region, a second waist region opposed to the first waist region and a crotch region disposed between the first waist region and the second waist region, the absorbent article comprising:a topsheet;a backsheet joined with the topsheet;an absorbent core disposed between at least a portion of the topsheet and the backsheet; anda storage element having a body facing surface and a garment facing surface and including a macro-particulate structure comprising a multiplicity of macroporous particles having a nominal size of between about 1 mm and about 25.4 mm.

References Cited

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Foreign Patent Documents

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