Patents by Inventor Norifumi Abo

Norifumi Abo 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 producing radiopharmaceutical composition
    Patent number: 10703726
    Abstract: A simple method for producing a clinically applicable radiopharmaceutical composition containing 1-(2,2-dihydroxymethyl-3-[18F]fluoropropyl)-2-nitroimidazole ([18F]DiFA) or a salt thereof as an active ingredient, is provided which includes a synthesis step of obtaining a crude product of [18F]DiFA from a labeling precursor compound for [18F]DiFA; and a purification step of purifying the crude product, in which the purification step includes purifying [18F]DiFA using two or more different types of reverse phase solid phase extraction cartridges.
    Type: Grant
    Filed: February 28, 2019
    Date of Patent: July 7, 2020
    Assignees: NIHON MEDI-PHYSICS CO., LTD., NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY
    Inventors: Masato Kiriu, Soichi Nakamura, Yuji Kuge, Norifumi Abo
  • Method for Producing Radiopharmaceutical Composition
    Publication number: 20190276411
    Abstract: A simple method for producing a clinically applicable radiopharmaceutical composition containing 1-(2,2-dihydroxymethyl-3-[18F]fluoropropyl)-2-nitroimidazole ([18F]DiFA) or a salt thereof as an active ingredient, is provided which includes a synthesis step of obtaining a crude product of [18F]DiFA from a labeling precursor compound for [18F]DiFA; and a purification step of purifying the crude product, in which the purification step includes purifying [18F]DiFA using two or more different types of reverse phase solid phase extraction cartridges.
    Type: Application
    Filed: February 28, 2019
    Publication date: September 12, 2019
    Applicants: Nihon Medi-Physics Co., Ltd., National University Corporation Hokkaido University
    Inventors: Masato Kiriu, Soichi Nakamura, Yuji Kuge, Norifumi Abo