Absorbent articles utilizing breathable composite sheet

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

C604S367000

Reexamination Certificate

active

07081560

ABSTRACT:
The present invention relates to absorbent articles having a topsheet, a backsheet, and an absorbent core between the topsheet and the backsheet. The backsheet comprises a moisture vapor permeable, substantially liquid impermeable composite sheet material includes a powder-bonded nonwoven web adhered to a moisture vapor permeable thermoplastic film. The nonwoven web includes a first layer comprised primarily of fibers that are compatible with an adhesive used to bond the web, and a second layer comprised of a blend of fibers, some of which are compatible with, and some of which are incompatible with the bonding adhesive and the thermoplastic film. A method for making the composite sheet material and an item of apparel made from the sheet material are also provided.

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