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Last Updated: April 16, 2026

Claims for Patent: 4,731,066


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Summary for Patent: 4,731,066
Title: Elastic disposable diaper
Abstract:The invention provides an elastic laminated disposable diaper which has a liquid-impermeable backing which is produced from an initially molten extruded elastic film, an absorbent core and a liquid-permeable facing. The facing is at least about 25 percent extensible and is coextensive with the backing. The absorbent unit being laminated between the facing and the backing.
Inventor(s): Korpman; Ralf (Bridgewater, NJ)
Assignee: Personal Products Company (Milltown, NJ)
Application Number:07/012,984
Patent Claims:1. An elastic, laminated disposable diaper comprising: a liquid-impermeable backing comprised of a pressure sensitive film having an outer backing fabric laminated to said elastic film, said backing fabric having at least about 25% extensibility, an absorbent core and a liquid-permeable facing comprised of fabric having at least about 25% extensibility and being coextensive with said backing, said absorbent core being laminated between said facing and said backing.

2. The disposable diaper of claim 1 wherein said absorbent core is comprised of a loosely compacted cellulosic fibrous bat.

3. The disposable diaper of claim 1 wherein said pressure sensitive film is a hot melt adhesive.

4. The disposable diaper of claim 1 wherein said initially molten film is a foam.

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