Title:
AIR-LAID UNITARY ABSORBENT LAYER
Document Type and Number:
WIPO Patent Application WO1998024960
Kind Code:
B1
Abstract:
An air-laid unitary absorbent layer composed of crosslinked cellulosic fibers and a binder is disclosed. In a preferred embodiment, the binder is a bicomponent binding fiber. In combination with one or more other layers in an absorbent article, the unitary absorbent layer can rapidly acquire, distribute, temporarily store, and then release the acquired liquid to other liquid retention layers. A method for forming the unitary absorbent layer is also disclosed.
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Inventors:
GRAEF PETER A (US)
ELSTON COLIN (US)
BUNKER DANIEL T (US)
HOWARD FRED B (US)
MATHEWS JEFFREY D (US)
NAIENI SHAHROKH A (US)
ELSTON COLIN (US)
BUNKER DANIEL T (US)
HOWARD FRED B (US)
MATHEWS JEFFREY D (US)
NAIENI SHAHROKH A (US)
Application Number:
PCT/US1997/023152
Publication Date:
April 12, 2001
Filing Date:
December 05, 1997
Export Citation:
Assignee:
WEYERHAEUSER CO (US)
GRAEF PETER A (US)
ELSTON COLIN (US)
BUNKER DANIEL T (US)
HOWARD FRED B (US)
MATHEWS JEFFREY D (US)
NAIENI SHAHROKH A (US)
GRAEF PETER A (US)
ELSTON COLIN (US)
BUNKER DANIEL T (US)
HOWARD FRED B (US)
MATHEWS JEFFREY D (US)
NAIENI SHAHROKH A (US)
International Classes:
A61F5/44; A61F13/15; A61F13/49; A61F13/53; B32B5/18; B32B27/04; D04H1/54; D04H1/60; D04H13/00; D21F11/04; D21F11/14; D21H11/16; D21H11/20; D21H15/10; D21H27/00; D21H13/08; D21H13/14; D21H13/24; D21H13/26; (IPC1-7): D04H1/54; D04H1/60; A61F13/15
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