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Fibrous absorbent material and methods of making the same    
United States Patent6261679   
Link to this pagehttp://www.wikipatents.com/6261679.html
Inventor(s)Chen; Fung-jou (Appleton, WI); Lindsay; Jeffrey Dean (Appleton, WI); Qin; Jian (Appleton, WI); Li; Yong (Appleton, WI)
AbstractDisclosed is a fibrous absorbent structure that is wet stable and has large void volume with a density below the critical density of the fiber employed. In one embodiment, the fibrous absorbent uses open-celled foam technologies to keep the fibrous structure expanded and bonded. In other embodiments, the resulting fibrous structure resembles an open-celled polymeric foam, with fibers serving as struts stabilized by binder material. In another embodiment, the resulting fibrous structure is filled with hydrophilic open-celled foams with the cell size substantially smaller than the fibrous pores. Such a wet-stable, high void volume fibrous absorbent can be used in a disposable product intended for the absorption of fluid such as body fluid, including extensible absorbent articles.



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Inventor     Chen; Fung-jou (Appleton, WI); Lindsay; Jeffrey Dean (Appleton, WI); Qin; Jian (Appleton, WI); Li; Yong (Appleton, WI)
Owner/Assignee     Kimberly-Clark Worldwide, Inc. (Neenah, WI)
Patent assignment
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Publication Date     July 17, 2001
Application Number     09/083,873
PAIR File History     Application Data   Transaction History
Image File Wrapper   Patent Term   Fees
Litigation
Filing Date     May 22, 1998
US Classification     428/317.9 264/45.2 264/45.3 425/4C 427/244 428/317.1 428/317.7
Int'l Classification     B32B 005/22 B32B 005/28 B32B 007/12
Examiner     Lovering; Richard D.
Assistant Examiner    
Attorney/Law Firm     Croft; Gregory E.
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Priority Data    
USPTO Field of Search     264/45.2 264/45.3 428/317.1 428/317.7 428/317.9 427/244
Patent Tags     fibrous absorbent material methods making
   
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