Patents by Inventor Kun Hoe Chung

Kun Hoe Chung 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).

  • PYRIDINE-BASED COMPOUND INCLUDING ISOXAZOLINE RING AND USE THEREOF AS HERBICIDE
    Publication number: 20190159450
    Abstract: A pyridine-based compound containing an isoxazoline ring represented by Formula 1 or an agrochemically acceptable salt thereof can be used as a herbicide. A method of preparing the pyridine-based compound containing an isoxazoline ring represented by Formula 1 includes reacting a compound represented by Formula 2 with a compound represented by Formula 3.
    Type: Application
    Filed: June 27, 2017
    Publication date: May 30, 2019
    Inventors: Young Kwan KO, Eun Ae KIM, Ill Young LEE, Dong Wan KOO, Jae Wook RYU, Gyu Hwan YON, Hyun Suk YEOM, Hee Nam LIM, So-Young LEE, Chan Yong PARK, Mi-Young KWAK, Suk-Jin KOO, Ki-Hwan HWANG, Sung-Hun KIM, Jong-Su LIM, Dong-Guk LEE, Kun-Hoe CHUNG, Nam-Gyu CHO, Jun-Ho NAM
  • Phenylisoxazoline-based compound having herbicidal activity and use thereof
    Patent number: 9439432
    Abstract: Provided are an ortho-substituted phenylisoxazoline-based compound with 2,6-difluorobenzyloxymethyl represented by Formula 1, or a racemate or enantiomer thereof, a herbicide including the ortho-substituted phenylisoxazoline-based compound, or the racemate or enantiomer thereof as an active ingredient, and a method of selectively controlling grass weed comprising treating with the ortho-substituted phenylisoxazoline-based compound, or the racemate or enantiomer thereof before or after the grass weed emerges.
    Type: Grant
    Filed: May 18, 2012
    Date of Patent: September 13, 2016
    Assignees: MOGHU RESEARCH CENTER LTD, KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Young Kwan Ko, Gyu Hwan Yon, Jae Wook Ryu, Dong Wan Koo, Jun Ho Nam, Sung Wan Pyo, Jae Min Hwang, Suk Jin Koo, Ki Hwan Hwang, Dong Guk Lee, Man Seok Jeon, Nam Gyu Cho, Sung Hun Kim, Jong Su Lim, Kun Hoe Chung
  • Industrial method for the preparation of high-purity methiozolin
    Patent number: 9303022
    Abstract: Provided is an industrial method for the preparation of [5-{(2,6-difluorobenzyloxy)methyl}-4,5-dihydro-5-methyl-3-(3-methylthiophene-2-yl)-isoxazole](common name: methiozolin) represented by Formula 1 that is a herbicidal substance in high-purity.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: April 5, 2016
    Assignees: MOGHU RESEARCH CENTER LTD., KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Young Kwan Ko, Dong Wan Koo, Jae Chun Woo, Jae Wook Ryu, Suk Jin Koo, Ki Hwan Hwang, Dong Guk Lee, Kun Hoe Chung, Man Seok Jeon, Sung Hun Kim, Jong Su Lim, Nam Gyu Cho
  • INDUSTRIAL METHOD FOR THE PREPARATON OF HIGH-PURITY METHIOZOLIN
    Publication number: 20150158852
    Abstract: Provided is an industrial method for the preparation of [5-{(2,6-difluorobenzyloxy)methyl}-4,5-dihydro-5-methyl-3-(3-methylthiophene-2-yl)-isoxazole](common name: methiozolin) represented by Formula 1 that is a herbicidal substance in high-purity.
    Type: Application
    Filed: March 18, 2013
    Publication date: June 11, 2015
    Inventors: Young Kwan Ko, Dong Wan Koo, Jae Chun Woo, Jae Wook Ryu, Suk Jin Koo, Ki Hwan Hwang, Dong Guk Lee, Kun Hoe Chung, Man Seok Jeon, Sung Hun Kim, Jong Su Lim, Nam Gyu Cho
  • PHENYLISOXAZOLINE-BASED COMPOUND HAVING HERBICIDAL ACTIVITY AND USE THEREOF
    Publication number: 20140256553
    Abstract: Provided are an ortho-substituted phenylisoxazoline-based compound with 2,6-difluorobenzyloxymethyl represented by Formula 1, or a racemate or enantiomer thereof, a herbicide including the ortho-substituted phenylisoxazoline-based compound, or the racemate or enantiomer thereof as an active ingredient, and a method of selectively controlling grass weed comprising treating with the ortho-substituted phenylisoxazoline-based compound, or the racemate or enantiomer thereof before or after the grass weed emerges.
    Type: Application
    Filed: May 18, 2012
    Publication date: September 11, 2014
    Applicants: MOGHU RESEARCH CENTER LTD., KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Young Kwan Ko, Gyu Hwan Yon, Jae Wook Ryu, Dong Wan Koo, Jun Ho Nam, Sung Wan Pyo, Jae Min Hwang, Suk Jin Koo, Ki Hwan Hwang, Dong Guk Lee, Man Seok Jeon, Nam Gyu Cho, Sung Hun Kim, Jong Su Lim, Kun Hoe Chung
  • Uracil compounds and a herbicide comprising the same
    Patent number: 8193198
    Abstract: Disclosed are uracil compounds represented by Formula 1, a method for preparing the compounds, and a herbicide including the same as an active ingredient: wherein R1, R2, R3, R4, R5, X, Y, Z and W are the same as defined in the detailed description.
    Type: Grant
    Filed: September 24, 2009
    Date of Patent: June 5, 2012
    Assignees: Korea Research Institute of Chemical Technology, Dongbu HiTek Co., Ltd.
    Inventors: Young Kwan Ko, Kun Hoe Chung, Jae Wook Ryu, Jae Chun Woo, Dong Wan Koo, Dae Whang Kim, Tae Joon Kim, In Young Choi, Young Kwon Kim, Tae Hyun Oh, Jun Hyuk Choi, Mee Young Seok, Kyung Sung Kim, Bong Jin Chung
  • URACIL COMPOUNDS AND A HERBICIDE COMPRISING THE SAME
    Publication number: 20110224083
    Abstract: Disclosed are uracil compounds represented by Formula 1, a method for preparing the compounds, and a herbicide including the same as an active ingredient: wherein R1, R2, R3, R4, R5, X, Y, Z and W are the same as defined in the detailed description.
    Type: Application
    Filed: September 24, 2009
    Publication date: September 15, 2011
    Applicants: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY, DONGBU HITEK CO., LTD.
    Inventors: Young Kwan Ko, Kun Hoe Chung, Jae Wook Ryu, Jae Chun Woo, Dong Wan Koo, Dae Whang Kim, Tae Joon Kim, In Young Choi, Young Kwon Kim, Tae Hyun Oh, Jun Hyuk Choi, Mee Young Seok, Kyung Sung Kim, Bong Jin Chung