Patents by Inventor Yil JANG

Yil JANG 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: 11427514
    Abstract: The present invention relates to a controlled-release fertilizer, including: a photodegradable capsule including a binder resin containing a polyolefin and an ethylene vinyl acetate copolymer, and a photocatalytic composite in which a (co)polymer including at least one repeating unit selected from the group consisting of an ethylene repeating unit and a vinyl acetate repeating unit is bonded to the surface or inside of agglomerates of inorganic fine particles; and a fertilizer contained in a space surrounded by the photodegradable capsule.
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: August 30, 2022
    Assignees: LG CHEM, LTD., FARMHANNONG CO., LTD.
    Inventors: Chanjoong Kim, Joon Seok Lee, Yil Jang, Sangryeo Lee, Ji Yeon Kim, Jae Hoon Choe
  • Patent number: 11332413
    Abstract: The present disclosure relates to a controlled-release fertilizer and, more particularly, to a controlled-release fertilizer including: a photodegradable capsule including a binder resin containing a polyolefin and an ethylene vinyl acetate copolymer; and a photocatalytic composite in which a (meth)acrylate compound containing an alkylene glycol repeating unit having 1 to 10 carbon atoms is bonded to the surface or inside of aggregates of inorganic fine particles, and a fertilizer contained in a space surrounded by the photodegradable capsule.
    Type: Grant
    Filed: March 18, 2019
    Date of Patent: May 17, 2022
    Assignees: LG Chem, Ltd., Farmhannong Co., Ltd.
    Inventors: Chanjoong Kim, Sangryeo Lee, Joon Seok Lee, Yil Jang, Ji Yeon Kim, Jae Hoon Choe
  • Patent number: 11286213
    Abstract: The present disclosure relates to a controlled-release fertilizer and, more particularly, to a controlled-release fertilizer comprising a photodegradable capsule including a binder resin containing a polyolefin and an ethylene vinyl acetate copolymer; and a photocatalytic composite in which a surfactant having an HLB value of 1 to 6 is bonded to the surface or inside of aggregates of inorganic fine particles, and a fertilizer contained in a space surrounded by the photodegradable capsule.
    Type: Grant
    Filed: March 18, 2019
    Date of Patent: March 29, 2022
    Assignees: LG Chem, Ltd., FarmHannong Co., Ltd.
    Inventors: Chanjoong Kim, Sangryeo Lee, Joon Seok Lee, Yil Jang, Ji Yeon Kim, Jae Hoon Choe
  • Publication number: 20210040009
    Abstract: The present disclosure relates to a controlled-release fertilizer and, more particularly, to a controlled-release fertilizer including: a photodegradable capsule including a binder resin containing a polyolefin and an ethylene vinyl acetate copolymer; and a photocatalytic composite in which a (meth)acrylate compound containing an alkylene glycol repeating unit having 1 to 10 carbon atoms is bonded to the surface or inside of aggregates of inorganic fine particles, and a fertilizer contained in a space surrounded by the photodegradable capsule.
    Type: Application
    Filed: March 18, 2019
    Publication date: February 11, 2021
    Inventors: Chanjoong Kim, Sangryeo Lee, Joon Seok Lee, Yil Jang, Ji Yeon Kim, Jae Hoon Choe
  • Publication number: 20210040008
    Abstract: The present disclosure relates to a controlled-release fertilizer and, more particularly, to a controlled-release fertilizer comprising a photodegradable capsule including a binder resin containing a polyolefin and an ethylene vinyl acetate copolymer; and a photocatalytic composite in which a surfactant having an HLB value of 1 to 6 is bonded to the surface or inside of aggregates of inorganic fine particles, and a fertilizer contained in a space surrounded by the photodegradable capsule.
    Type: Application
    Filed: March 18, 2019
    Publication date: February 11, 2021
    Inventors: Chanjoong KIM, Sangryeo LEE, Joon Seok LEE, Yil JANG, Ji Yeon KIM, Jae Hoon CHOE
  • Publication number: 20200277241
    Abstract: The present invention relates to a controlled-release fertilizer, including: a photodegradable capsule including a binder resin containing a polyolefin and an ethylene vinyl acetate copolymer, and a photocatalytic composite in which a (co)polymer including at least one repeating unit selected from the group consisting of an ethylene repeating unit and a vinyl acetate repeating unit is bonded to the surface or inside of agglomerates of inorganic fine particles; and a fertilizer contained in a space surrounded by the photodegradable capsule.
    Type: Application
    Filed: December 13, 2018
    Publication date: September 3, 2020
    Applicants: LG CHEM, LTD., FarmHannong Co., Ltd.
    Inventors: Chanjoong KIM, Joon Seok LEE, Yil JANG, Sangryeo LEE, Ji Yeon KIM, Jae Hoon CHOE