Water absorbent material and absorbent article using same

Details Water absorbent material and absorbent article using same Water absorbent material and absorbent article using same

2005-11-29

2005-11-29

Zalukaeva, Tatyana (Department: 1713)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S258000, C526S263000, C526S271000, C526S303100, C526S307200, C526S307700, C526S317100, C526S319000

Reexamination Certificate

active

06969750

ABSTRACT:
The water absorbent material of the present invention is composed of a copolymer of an anhydropolyamino acid having at least one ethylenically unsaturated double bond in a molecule, a water-soluble monomer having an ethylenically unsaturated double bond and polysaccharides, and has high water absorption ratio and high water absorption rate in pure water or water having a low ion content and also has high absorption properties for high concentration salt-containing solutions.

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