Patents by Inventor Soon-yeol Eom

Soon-yeol Eom 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).

  • Monoazo dye for thermal transfer printing
    Patent number: 5512664
    Abstract: A new sublimable magenta monoazo dye for thermal transfer printing has a closed ring imido group in an aromatic azo compound, as the following formula: ##STR1## The magenta monoazo dye achieves substantial improvements in stability, hue, gray and color development.
    Type: Grant
    Filed: December 20, 1994
    Date of Patent: April 30, 1996
    Assignee: Hansol Paper Co., Ltd.
    Inventors: Ki-taek Lee, Young-soup Son, Woo-seok Han, Soon-yeol Eom