Title:
POLYSACCHARIDE - BASED SUPERABSORBENT FILM
Document Type and Number:
WIPO Patent Application WO2001068713
Kind Code:
A3
Abstract:
A superabsorbent polysaccharide can be obtained by crosslinking a polysaccharide or derivative thereof with at least 1 % by weight of a flexible spacer having a chain length of at least 9 chain atoms and having terminal activated coupling groups. The flexible spacer may comprise a polyalkyleneglycol with a molecular weight from about 400 to 10,000. The coupling groups may be provided by divinyl sulphone units.
Inventors:
MENSITIERI GIUSEPPE (IT)
PORRO FABRIZIO (IT)
NICOLAIS LUIGI (IT)
SANNINO ALESSANDRO (IT)
PORRO FABRIZIO (IT)
NICOLAIS LUIGI (IT)
SANNINO ALESSANDRO (IT)
Application Number:
PCT/EP2001/003863
Publication Date:
December 20, 2001
Filing Date:
March 09, 2001
Export Citation:
Assignee:
SCA HYGIENE PROD AB (SE)
MENSITIERI GIUSEPPE (IT)
PORRO FABRIZIO (IT)
NICOLAIS LUIGI (IT)
SANNINO ALESSANDRO (IT)
MENSITIERI GIUSEPPE (IT)
PORRO FABRIZIO (IT)
NICOLAIS LUIGI (IT)
SANNINO ALESSANDRO (IT)
International Classes:
A61F13/53; A61L15/00; A61L15/28; A61L15/60; B01J20/24; C08B11/20; C08B37/00; C08G81/00; C08J5/18; C09K3/00; (IPC1-7): C08B37/00; C08B11/20; A61L15/28; A61L15/00
Domestic Patent References:
| WO1997018890A1 | 1997-05-29 |
Foreign References:
| US5414135A | 1995-05-09 |
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