Patents by Inventor Jichun Han

Jichun Han 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).

  • REAGENT KIT FOR LC-MS ANALYSIS OF AROMATIC COMPOUNDS
    Publication number: 20220128530
    Abstract: A method for analyzing aromatic compounds, and a reagent kit for LC-MS analysis of aromatic compounds. The method includes preparing a diazonium reagent, contacting aromatic compounds in a sample with the diazonium reagent to form an analyte; and measuring an amount or ratio of the analyte. The reagent kit includes a diazonium reagent, wherein the diazonium reagent includes (i) a diazonium salt that contains a diazonium ion; (ii) an amine and nitrous acid; and/or (iii) a nitrite and an acid.
    Type: Application
    Filed: January 6, 2022
    Publication date: April 28, 2022
    Inventor: Jichun HAN
  • Method and system for detecting aromatic compounds
    Patent number: 11262336
    Abstract: A method for analyzing aromatic compounds, and a reagent kit for LC-MS analysis of aromatic compounds. The method includes preparing a diazonium reagent, contacting aromatic compounds in a sample with the diazonium reagent to form an analyte; and measuring an amount or ratio of the analyte. The reagent kit includes a diazonium reagent, wherein the diazonium reagent includes (i) a diazonium salt that contains a diazonium ion; (ii) an amine and nitrous acid; and/or (iii) a nitrite and an acid.
    Type: Grant
    Filed: March 6, 2019
    Date of Patent: March 1, 2022
    Assignee: APPLIN BIOTECH CO. LTD.
    Inventors: Yiqi Ruben Luo, Jichun Han