Absorbent article comprising improved edge barriers...

Surgery – Means and methods for collecting body fluids or waste material – Absorbent pad for external or internal application and...

Reexamination Certificate

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Details

C604S378000, C604S379000, C604S367000, C604S368000, C604S374000

Reexamination Certificate

active

11198524

ABSTRACT:
The present invention relates to absorbent articles, typically for feminine protection, comprising a topsheet, a backsheet, and an absorbent element positioned between the topsheet and the backsheet. The absorbent article also comprises edge barrier elements for intercepting fluids. The edge barrier elements comprise a liquid absorbent thermoplastic composition comprising a polymeric base material having particles of water-insoluble water-swellable absorbent material dispersed therein, and are provided with a basis weight gradient along their respective width or length in the liquid absorbing thermoplastic composition and/or in the particles of water-insoluble water-swellable absorbent material dispersed therein.

REFERENCES:
patent: 4333463 (1982-06-01), Holtman
patent: 4699823 (1987-10-01), Zenker et al.
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patent: 5074856 (1991-12-01), Coe et al.
patent: 5275591 (1994-01-01), Mavinkurve
patent: 5462537 (1995-10-01), Carr et al.
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patent: 5810800 (1998-09-01), Hunter et al.
patent: 6015608 (2000-01-01), Koslow
patent: 6441268 (2002-08-01), Edwardsson
patent: 2003/0109628 (2003-06-01), Bonfanti et al.
patent: 1 013 291 (2005-06-01), None
patent: 2 019 727 (1979-11-01), None
PCT International Search Report dated Dec. 28, 2005.

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