The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 07, 2003

Filed:

Nov. 29, 2000
Applicant:
Inventors:

Alessandro Sannino, Naples, IT;

Giuseppe Mensitieri, Naples, IT;

Fausto Esposito, late of Naples, IT;

Matteo Del Nobile, Naples, IT;

Assignee:

SCA Hygiene Products AB, Göteborg, SE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 2/022 ; C08J 3/07 ;
U.S. Cl.
CPC ...
B01J 2/022 ; C08J 3/07 ;
Abstract

A method of production of a highly absorbent, polysaccharide-based material, wherein an aqueous solution containing a starting material including a cross-linkable polysaccharide-based polymer blend of an electrically charged polysaccharide-based polymer and an electrically uncharged polysaccharide-based polymer is subjected to cross-linking in order to obtain a water-swelled gel. The cross-linked, water-swelled gel is dessicated with a polar solvent.


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Sannino, Alessandro. (2003). Absorbent polymer material based on renewable starting materials (U.S. Patent No. 6630422). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6630422

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