Patents by Inventor Shiho Asai

Shiho Asai 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).

  • Method for manufacturing anion-layered double hydroxide intercalation compounds and compounds produced thereby
    Patent number: 6852670
    Abstract: The present invention is a manufacturing method for an anion-layered double hydroxide intercalation compound that uses metal hydroxides as the stating material of the layered double hydroxides (LDH) which are the host material and allows sterically complicated and large-size anion compounds to be used as the guest material, and it has the characteristics such that a reaction mixture of the metal hydroxides and anion compound is heated and hydrothermally reacted in the absence of anion components other than the anion compound of the guest material. In addition, the present invention pertains to an anion-layered double hydroxide intercalation compound that uses bile acid as the anion compound of the guest material, which is effective as the carrier of medical drugs or as the absorbent of physiological active materials.
    Type: Grant
    Filed: November 4, 1999
    Date of Patent: February 8, 2005
    Assignee: Japan Science and Technology Agency
    Inventors: Makoto Ogawa, Shiho Asai