Patents by Inventor Chika MOROOKA

Chika MOROOKA 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).

  • Analytical method for sugar chains having acidic groups
    Patent number: 11938464
    Abstract: A chromatography column for the use of separation of acidic sugar chains, wherein the column comprises a first column and a second column, the second column connected by a flow path downstream of an outlet of the first column, and selected from the following (1) or (2): (1) the carrier of the first column is hydrophobically modified silica having a group containing a primary amine, a secondary amine or/and a tertiary amine, and the carrier of the second column is a resin having a group containing a primary amine, a secondary amine or/and a tertiary amine; (2) the carrier of the first column is a resin having a group containing a primary amine, a secondary amine or/and a tertiary amine, and the carrier of the second column is hydrophobically modified silica having a group containing a primary amine, a secondary amine, or/and a tertiary amine.
    Type: Grant
    Filed: December 29, 2022
    Date of Patent: March 26, 2024
    Assignee: JCR Pharmaceuticals Co., Ltd.
    Inventors: Tomoki Fukatsu, Chika Morooka
  • ANALYTICAL METHOD FOR SUGAR CHAINS HAVING ACIDIC GROUPS
    Publication number: 20230219063
    Abstract: A chromatography column for the use of separation of acidic sugar chains, wherein the column comprises a first column and a second column, the second column connected by a flow path downstream of an outlet of the first column, and selected from the following (1) or (2): (1) the carrier of the first column is hydrophobically modified silica having a group containing a primary amine, a secondary amine or/and a tertiary amine, and the carrier of the second column is a resin having a group containing a primary amine, a secondary amine or/and a tertiary amine; (2) the carrier of the first column is a resin having a group containing a primary amine, a secondary amine or/and a tertiary amine, and the carrier of the second column is hydrophobically modified silica having a group containing a primary amine, a secondary amine, or/and a tertiary amine.
    Type: Application
    Filed: December 29, 2022
    Publication date: July 13, 2023
    Applicant: JCR Pharmaceuticals Co., Ltd.
    Inventors: Tomoki FUKATSU, Chika MOROOKA
  • ANALYTICAL METHOD FOR SUGAR CHAINS HAVING ACIDIC GROUPS
    Publication number: 20200406229
    Abstract: A chromatography column for the use of separation of acidic sugar chains, wherein the column comprises a first column and a second column, the second column connected by a flow path downstream of an outlet of the first column, and selected from the following (1) or (2): (1) the carrier of the first column is hydrophobically modified silica having a group containing a primary amine, a secondary amine or/and a tertiary amine, and the carrier of the second column is a resin having a group containing a primary amine, a secondary amine or/and a tertiary amine; (2) the carrier of the first column is a resin having a group containing a primary amine, a secondary amine or/and a tertiary amine, and the carrier of the second column is hydrophobically modified silica having a group containing a primary amine, a secondary amine, or/and a tertiary amine.
    Type: Application
    Filed: November 14, 2018
    Publication date: December 31, 2020
    Applicant: JCR Pharmaceuticals Co., Ltd.
    Inventors: Tomoki FUKATSU, Chika MOROOKA