Patents by Inventor Tasuhiro Nawata

Tasuhiro Nawata has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Water-absorbing resin composition
    Publication number: 20070111004
    Abstract: A water-absorbent resin composition comprising a water-absorbent resin, an oxygen-containing reducing inorganic salt, an aminocarboxylic acid-based metal chelating agent and an organic antioxidant; an absorbent comprising the above-mentioned water-absorbent resin composition and a hydrophilic fiber; and an absorbent article comprising the above-mentioned absorbent interposed between a liquid-permeable sheet and a liquid-impermeable sheet. The water-absorbent resin composition of the present invention is used in absorbent articles such as disposable diaper, sanitary napkin, and the like.
    Type: Application
    Filed: July 7, 2004
    Publication date: May 17, 2007
    Applicant: SUMITOMO SEIKA CHEMICALS CO., LTD.
    Inventors: Masayoshi Handa, Takayasu Taniguchi, Tatsuya Oida, Tasuhiro Nawata