Patents by Inventor Kai KAN

Kai KAN 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).

  • Polylactide derivative, method for producing same, and polylactide stereocomplex
    Patent number: 10711097
    Abstract: A polylactide derivative according to the present invention is expressed by the following general formula (1) or general formula (2): In general formula (1), one of X1-X5 is an aldehyde group, one of the other four is an alkoxy group, and the other three are hydrogen atoms. In general formula (2), one of R1-R3 is selected from a chlorine atom, fluorine atom, aldehyde group, alkoxy group, alkyl group and ester, while the other two are selected from the chlorine atom, fluorine atom, aldehyde group, alkoxy group, alkyl group, ester, and hydrogen atom.
    Type: Grant
    Filed: July 14, 2016
    Date of Patent: July 14, 2020
    Assignee: NATIONAL UNIVERSITY CORPORATION NARA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hiroharu Ajiro, Kai Kan, Mitsuru Akashi
  • POLYLACTIDE DERIVATIVE, METHOD FOR PRODUCING SAME, AND POLYLACTIDE STEREOCOMPLEX
    Publication number: 20180215867
    Abstract: A polylactide derivative according to the present invention is expressed by the following general formula (1) or general formula (2): In general formula (1), one of X1-X5 is an aldehyde group, one of the other four is an alkoxy group, and the other three are hydrogen atoms. In general formula (2), one of R1-R3 is selected from a chlorine atom, fluorine atom, aldehyde group, alkoxy group, alkyl group and ester, while the other two are selected from the chlorine atom, fluorine atom, aldehyde group, alkoxy group, alkyl group, ester, and hydrogen atom.
    Type: Application
    Filed: July 14, 2016
    Publication date: August 2, 2018
    Applicant: NATIONAL UNIVERSITY CORPORATION NARA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hiroharu AJIRO, Kai KAN, Mitsuru AKASHI