Patents by Inventor Tae-Hee Woo

Tae-Hee Woo 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).

  • Patent number: 6504018
    Abstract: A process for preparing pale-colored and transparent alkyl glycosides by reacting glucose and high fatty alcohol in presence of an acid catalyst is disclosed. The process comprises the steps of admixing, reacting, neutralizing, distilling, diluting and bleaching. In the above process, the reaction step is controlled by a product color and an amount of unreacted glucose, the neutralizing step is controlled by alkali metal oxdie powders having a specific surface area of more than 30 m2/g and the product color, the distilling step is controlled an unreacted residual fatty alcohol, and the diluting step is controlled by refined ion water and sealed vessel without oxygen. Further, the process provides a method of recycling collected fatty alcohol without being refined.
    Type: Grant
    Filed: May 17, 2000
    Date of Patent: January 7, 2003
    Assignee: L G Chemical Ltd.
    Inventors: Tae-Hee Woo, Dong-Hyuh Cho, Kwang-Ho Park