Patents by Inventor Chie Takayama

Chie Takayama 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).

  • Depsipeptide containing lactic acid residue
    Patent number: 8153759
    Abstract: Disclosed are a compound represented by the general formula (I) below and a polymer compound obtained by polymerizing such a compound. R1-Gly-Lac-Pro-R2 ??(I): where -Gly-Lac-Pro- represents a structure represented by the following formula (II), R1 represents a hydrogen atom, or an amino acid, a polypeptide or a hydroxycarboxylic acid which are linked through an amide bond, R2 represents a hydroxyl group, or an amino acid or a polypeptide which are linked through an amide bond, or a hydroxycarboxylic acid which is linked through an ester bond.
    Type: Grant
    Filed: August 10, 2007
    Date of Patent: April 10, 2012
    Assignee: National University Corporation Gunma University
    Inventors: Hiroyuki Oku, Yuya Shimoda, Aya Inoue, Chie Takayama, Keiichi Yamada, Ryoichi Katakai
  • DEPSIPEPTIDE CONTAINING LACTIC ACID RESIDUE
    Publication number: 20100099846
    Abstract: Disclosed are a compound represented by the general formula (I) below and a polymer compound obtained by polymerizing such a compound. R1-Gly-Lac-Pro-R2 (I) (In the formula, -Gly-Lac-Pro- represents a glycine residue represented by the formula (II) below, a lactic acid residue and a tridepsipeptide linked with a proline residue; R1 represents an amino acid, polypeptide or hydroxycarboxylic acid linked by an amide bond; and R2 represents an amino acid or polypeptide linked by an amide bond, or a hydroxycarboxylic acid linked by an ester bond.
    Type: Application
    Filed: August 10, 2007
    Publication date: April 22, 2010
    Applicant: National University Corporation Gunma University
    Inventors: Hiroyuki Oku, Yuya Shimoda, Aya Inoue, Chie Takayama, Keiichi Yamada, Ryoichi Katakai