Moisture-permeable disposable diapers
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United States of America Patent
Stats
-
Dec 22, 1981
Grant Date -
N/A
app pub date -
Feb 27, 1980
filing date -
Feb 28, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A disposable diaper comprising a urine-permeable surface sheet, a urine-impervious backing sheet and an absorbent pad interposed between said two sheets, said disposable diaper being characterized in that the urine-impervious backing sheet comprises at least two layers, the first layer being a substantially urine-impermeable, vapor-permeable sheet, and the second layer being a urine-impermeable sheet which is perforated at an aperture ratio lower than 30%, said first and second layer being integrally formed.
First Claim
Family
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Cited Art Landscape
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