Patents by Inventor In Hyuk YEO

In Hyuk YEO 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).

  • Publication number: 20240092951
    Abstract: The present disclosure relates to a photo-curable composition, a cured product thereof, and an optical member and a display device comprising same. The photo-curable composition has excellent low refractive index, light transmittance, and low haze characteristics by comprising a first olefinic monomer containing fluorine, a second olefinic monomer having an absolute viscosity of 7 cP or less at 25° C., a photo-polymerization initiator, and an amine compound.
    Type: Application
    Filed: November 6, 2023
    Publication date: March 21, 2024
    Inventors: Tai Hoon YEO, Hyoc Min YOUN, Sang Hoon LEE, Jong Hyuk PARK, Jea Young LEE, Ja Young KIM
  • Patent number: 10945940
    Abstract: The present disclosure relates to methods of preparing an ultra-low molecular weight keratin peptide and use thereof. In particular, the present disclosure relates to a method of preparing an ultra-low molecular weight keratin peptide using culturing a microorganism having keratinolytic activity in a medium including keratin, ultrafiltration, ion exchange chromatography and gel filtration chromatography, a peptide prepared by the method, and a cosmetic and food composition for preventing or improving skin aging or skin wrinkles including the same. According to the method of preparing a keratin peptide of the present invention, it is possible to eco-friendly biologically treat waste resources and efficiently purify and recover anti-aging functional ultra-low molecular weight keratin peptides.
    Type: Grant
    Filed: October 31, 2016
    Date of Patent: March 16, 2021
    Assignee: KYUNGPOOK NATIONAL UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Dong Woo Lee, Nam Joo Kang, Yong Jik Lee, Hyeon Su Jin, In Hyuk Yeo, Kyeong Seop Song, Jae-Eun Lee
  • Publication number: 20180344608
    Abstract: The present disclosure relates to methods of preparing an ultra-low molecular weight keratin peptide and use thereof. In particular, the present disclosure relates to a method of preparing an ultra-low molecular weight keratin peptide using culturing a microorganism having keratinolytic activity in a medium including keratin, ultrafiltration, ion exchange chromatography and gel filtration chromatography, a peptide prepared by the method, and a cosmetic and food composition for preventing or improving skin aging or skin wrinkles including the same. According to the method of preparing a keratin peptide of the present invention, it is possible to eco-friendly biologically treat waste resources and efficiently purify and recover anti-aging functional ultra-low molecular weight keratin peptides.
    Type: Application
    Filed: October 31, 2016
    Publication date: December 6, 2018
    Inventors: Dong Woo LEE, Nam Joo KANG, Yong Jik LEE, Hyeon Su JIN, In Hyuk YEO, Kyeong Seop SONG, Jae-Eun LEE