Patents by Inventor Ik B. Kwon

Ik B. Kwon 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).

  • Chewing gum designed to prevent tooth decay by blending a soluble extract of cacao bean husk
    Patent number: 4908212
    Abstract: Chewing gum designed to prevent tooth decay, for which a cacao bean husk is extracted by adding water or ethyl alcohol and an extract which is freeze dried after solvent is collected and concentrated by vacuum evaporation is added to the known raw materials of chewing gum in the ratio of 0.1-1.0%.
    Type: Grant
    Filed: January 13, 1989
    Date of Patent: March 13, 1990
    Assignee: Lotte Confectionery Co., Ltd.
    Inventors: Ik B. Kwon, Hyung H. Park, Bong J. An