Absorbent articles containing superabsorbent material which has a delayed activation time
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jan 5, 1999
Grant Date -
N/A
app pub date -
Dec 5, 1995
filing date -
Jun 21, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An absorbent structure in an absorbent article, such as a diaper, incontinence guard, sanitary napkin and the like, wherein the structure includes hydrophilic fibres and particles of a superabsorbent material and also has a front and a back part (4, 5) and a crotch part (6) located therebetween, said crotch part exhibiting a wetting region (16) within which the major part of discharged fluid is directed and wherein the absorbent structure in the wetting region includes superabsorbent particles that are encased in a material that will only dissolve slowly in and/or be penetrated slowly by the fluid to be absorbed so that the superabsorbent material will not begin to absorb fluid and swell to any appreciable extent until the encapsulating material has dissolved and/or been penetrated by the fluid and that conventional superabsorbent material (15) is localized generally in those parts of the structure that are located outside said wetting region.
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