Patents by Inventor Ho Jong Koh

Ho Jong Koh 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).

  • Process for preparing stabilized liquid silicate carbonate antiseptic agents
    Patent number: 6482445
    Abstract: The present invention relates to a process for preparing a liquid silicate carbonate antiseptic agent. According to the present invention, the liquid silicate carbonate antiseptic agent is prepared by the process which comprises a step of dissolving 80-120 g of a silicate in 1 l of purified hot water at 70-90° C. until the silicate is completely ionized; a step of homogeneously emulsifying the mixture by adding 8-15 g of a emulsifier; and a step of stabilizing the resulting mixture by adding sodium carbonate (Na2CO3) and potassium carbonate (K2CO3) as carbonates in an amount of 45-80 g, respectively, and stirring the mixture.
    Type: Grant
    Filed: February 7, 2002
    Date of Patent: November 19, 2002
    Assignee: Nel Biotech Co., Ltd.
    Inventors: Ho Jong Koh, Suk Young Lee