Patents by Inventor Byung-Choong CHOI

Byung-Choong CHOI 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: 20240084145
    Abstract: Disclosed are a pearlescent pigment and a preparation method therefor, wherein the pigment has a multilayered structure including a low-refractive index material layer between high-refractive index material layers on a glass flake substrate and thus has high color intensity, various colors depending on the viewing angle, and an improved sparkling effect. The pearlescent pigment according to the present invention comprises: a glass flake substrate having a D10 value of 40-80 ?m, a D50 value of 160-250 ?m, and a D90 value of 350-600 ?m and a thickness of 500 nm or more; and a metal oxide layer coated on the substrate, the metal oxide layer having a structure of a first metal oxide layer/an intermediate oxide layer containing MgO·SiO2/a second metal oxide layer.
    Type: Application
    Filed: June 28, 2022
    Publication date: March 14, 2024
    Inventors: Jae Il JEONG, Kwang Choong KANG, Byung Ki CHOI, Kwang Soo LIM, Kil Wan CHANG
  • Publication number: 20140205626
    Abstract: Disclosed herein are fermented coffee beans prepared by inoculating and culturing mycelium of fungus into coffee beans. The fermented coffee beans according to the present invention may have immune-boosting and anti-inflammatory activities.
    Type: Application
    Filed: June 7, 2013
    Publication date: July 24, 2014
    Inventors: Byung-Choong CHOI, Dong-Goo KIM, Chun-Kyu PARK, Ji-Young SHIN, Hoon KIM, Mi-Ra LEE, Hee-Yeon LEE, Kwang-Won YU