Patents by Inventor Jong L. Woo

Jong L. 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).

  • Composite fiber
    Patent number: 4460649
    Abstract: The present invention relates to a composite fiber consisting of two components, for example, such as a polyamide and a polyester, and to a multi-segment fiber wherein the two components thereof can be separated into a plurality of microfibers by chemical and physical treatments. Particularly, the invention relates to a composite fiber having low loss of weight in a chemical treatment and which can easily be separated into outer and inner components. After separation the composite fiber provides excellent performance.
    Type: Grant
    Filed: September 2, 1982
    Date of Patent: July 17, 1984
    Assignee: Kolon Industries Inc.
    Inventors: Yeun H. Park, Jong L. Woo, Hak M. Kim