Patents by Inventor Cheol-su Yoon

Cheol-su Yoon 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).

  • Optically active ()-aryloxypropionic acid amides and herbicidal composition comprising same
    Patent number: 8293774
    Abstract: The present invention relates to an optically active (R)-aryloxypropionic acid amide compound which has high selectivity and safety for protecting a crop such as rice, wheat, barley and soy bean, and exhibits excellent herbicidal activity against weeds, and a herbicidal composition comprising the same.
    Type: Grant
    Filed: July 2, 2008
    Date of Patent: October 23, 2012
    Assignee: Kyung Nong Corporation
    Inventors: Joo-kyung Kim, Dong-hoo Kim, Hyung-ho Kim, Kyung-hyun Kim, Cheol-su Yoon, In-cheon Hwang
  • OPTICALLY ACTIVE (R)-ARYLOXYPROPIONIC ACID AMIDES AND HERBICIDAL COMPOSITION COMPRISING SAME
    Publication number: 20100279871
    Abstract: The present invention relates to an optically active (R)-aryloxypropionic acid amide compound which has high selectivity and safety for protecting a crop such as rice, wheat, barley and soy bean, and exhibits excellent herbicidal activity against weeds, and a herbicidal composition comprising the same.
    Type: Application
    Filed: July 2, 2008
    Publication date: November 4, 2010
    Applicant: KYUNG NONG CORPORATION
    Inventors: Joo-kyung Kim, Dong-hoo Kim, Hyung-ho Kim, Kyung-hyun Kim, Cheol-su Yoon, In-cheon Hwang