Patents by Inventor Song Mi Park

Song Mi Park 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).

  • Phosphine precursor for preparing quantum dot and quantum dot prepared therefrom
    Patent number: 11999762
    Abstract: The present invention relates to a phosphine precursor for the preparation of a quantum dot, and a quantum dot prepared therefrom. Using the phosphine precursor for the preparation of a quantum dot of the present invention, a quantum dot with improved luminous efficiency and higher luminous color purity can be provided.
    Type: Grant
    Filed: April 7, 2022
    Date of Patent: June 4, 2024
    Assignee: SK Chemicals Co., Ltd.
    Inventors: Jeong Ho Park, Hee Il Chae, Kyung Sil Yoon, Ju-Sik Kang, Yu Mi Chang, Nam-Choul Yang, Jae Kyun Park, Song Lee
  • Tricyclodecane dimethanol composition and preparation method of the same
    Patent number: 11964932
    Abstract: Provided are a tricyclodecane dimethanol composition, in which a ratio of structural isomers is controlled, and a preparation method thereof.
    Type: Grant
    Filed: May 20, 2022
    Date of Patent: April 23, 2024
    Assignee: SK Chemicals Co., Ltd.
    Inventors: Hee Il Chae, Ju-Sik Kang, Jeong Ho Park, Song Lee, Yu Mi Chang
  • Phosphine precursor for preparing quantum dot and quantum dot prepared therefrom
    Patent number: 11912915
    Abstract: The present invention relates to a phosphine precursor for the preparation of a quantum dot, and a quantum dot prepared therefrom. Using the phosphine precursor for the preparation of a quantum dot of the present invention, a quantum dot with improved luminous efficiency and higher luminous color purity can be provided.
    Type: Grant
    Filed: March 2, 2018
    Date of Patent: February 27, 2024
    Assignee: SK Chemicals Co., Ltd.
    Inventors: Hee Il Chae, Jeong Ho Park, Kyung Sil Yoon, Ju-Sik Kang, Yu Mi Chang, Nam-Choul Yang, Jae Kyun Park, Song Lee
  • Candida magnoliae producing mannitol and fermentation method for producing mannitol
    Patent number: 6528290
    Abstract: The present Invention is to provide a novel strain, Candida magnoliae (KCCM-10252) producing mannitol isolated from the fermentation sludge collected from a xylitol manufacturing company, and further a method for manufacturing mannitol with high yield and high productivity by optimizing various culture conditions and medium composition using the new strain, Candida magnoliae.
    Type: Grant
    Filed: October 18, 2001
    Date of Patent: March 4, 2003
    Assignees: BioNgene Co., Ltd., Bolak Co., Ltd.
    Inventors: Kyung Hwa Song, Hong Baek, Song Mi Park, Hyung Hwan Hyun, Soo Ryun Jung, Sang Yong Kim, Jung Kul Lee, Ji Yoon Song