Patents by Inventor Kenji Oohata

Kenji Oohata 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).

  • ?-1,3-glucan-derived polyaldehyde/polyamine hydrogel
    Patent number: 8246992
    Abstract: The present invention provides a combination product which comprises: (1) a polyaldehyde obtained by introducing an aldehyde group into a branched glucose in a ?-1,3-glucan, and (2) a polyamine obtained by increasing the molecular weight of a poly-L-lysine. The combination product according to the present invention is useful as a material for a tissue adhesive hydrogel which can be used as a hemostatic agent or the like which exhibits low risks for viral infections and the like, high biodegradability and biocompatibility, excellent safety, a good adhesion rate and a good adhesion strength.
    Type: Grant
    Filed: November 4, 2008
    Date of Patent: August 21, 2012
    Assignees: Osaka City University, Daiso Co., Ltd.
    Inventors: Takeshi Nagasaki, Tatsuro Hayashi, Kenji Oohata, Kenichi Ishibashi, Toshio Suzuki, Yoshiro Furukawa
  • B-1,3-GLUCAN-DERIVED POLYALDEHYDE/POLYAMINE HYDROGEL
    Publication number: 20100316719
    Abstract: The present invention provides a combination product which comprises: (1) a polyaldehyde obtained by introducing an aldehyde group into a branched glucose in a ?-1,3-glucan, and (2) a polyamine obtained by increasing the molecular weight of a poly-L-lysine. The combination product according to the present invention is useful as a material for a tissue adhesive hydrogel which can be used as a hemostatic agent or the like which exhibits low risks for viral infections and the like, high biodegradability and biocompatibility, excellent safety, a good adhesion rate and a good adhesion strength.
    Type: Application
    Filed: November 4, 2008
    Publication date: December 16, 2010
    Inventors: Takeshi Nagasaki, Tatsuro Hayashi, Kenji Oohata, Kenichi Ishibashi, Toshio Suzuki, Yoshiro Furukawa