Patents by Inventor Hyung Ki Yoon

Hyung Ki 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).

  • Patent number: 11845837
    Abstract: A super absorbent polymer according to the present invention has excellent dryness while maintaining excellent absorption performance, and thus is preferably used for hygienic materials such as diapers, and can exhibit excellent performance.
    Type: Grant
    Filed: March 9, 2021
    Date of Patent: December 19, 2023
    Inventors: Dae Woo Nam, Jun Kyu Kim, Hyung Ki Yoon, Tae Hwan Jang, Bo Hyun Seong, Yeon Woo Hong, Su Jin Kim, Seong Beom Heo, Seon Jung Jung, Ji Yoon Jeong
  • Patent number: 11814489
    Abstract: Provided are a superabsorbent polymer and a preparation method thereof. According to the present invention, a superabsorbent polymer having high centrifuge retention capacity and absorption rate may be prepared by using a specific foam stabilizer.
    Type: Grant
    Filed: February 10, 2021
    Date of Patent: November 14, 2023
    Inventors: Hyung Ki Yoon, Yeon Woo Hong, Seong Beom Heo, Dae Woo Nam, Tae Hwan Jang, Jun Kyu Kim, Bo Hyun Seong, Su Jin Kim, Seon Jung Jung, Ji Yoon Jeong
  • Patent number: 11794515
    Abstract: A device configured for coupling a resonator to a vehicle wheel, may include an annular first strap assembled with an external circumferential surface of the wheel rim and fixing positions of resonators disposed on the external circumferential surface of the wheel rim; and an annular second strap surrounding second flanges formed at second edge portions of the resonators based on an axial direction of the wheel rim and pressurizing the second flange toward the external circumferential surface of the wheel rim after first flanges, which are formed on second edge portions of the resonators based on an axial direction of the wheel rim, are inserted between the first strap and the external circumferential surface of the wheel rim.
    Type: Grant
    Filed: December 1, 2020
    Date of Patent: October 24, 2023
    Assignees: Hyundai Motor Company, Kia Motors Corporation, SHINWOOSHIN CO., LTD., HANDS CORPORATION Ltd., KWANG SUNG CORPORATION LTD
    Inventors: Doo Seek Park, Eun Sang Ryu, Hyeong Seop Kim, Moon Seok Hwang, Gi Woo Lee, Hyung Ki Yoon, Kwang Hyun Cho, Jae Woo Sung, Soon Shik Kim, Young Sik Kim
  • Patent number: 11434332
    Abstract: A super absorbent polymer according to the present invention has an excellent discoloration resistance characteristic even under high temperature/high humidity conditions, while maintaining excellent absorption performance, and is preferably used for hygienic materials such as diapers, and thus can exhibit excellent performance.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: September 6, 2022
    Inventors: Dae Woo Nam, Seon Jung Jung, Tae Hwan Jang, Jun Kyu Kim, Seong Beom Heo, Bo Hyun Seong, Yeon Woo Hong, Su Jin Kim, Ji Yoon Jeong, Hyung Ki Yoon
  • Patent number: 11369683
    Abstract: The present invention relates to nanoparticles. In particular, the present invention provides nanoparticles for clinical (e.g., targeted therapeutic), diagnostic (e.g., imaging), and research applications in the field of cardiology. For example, in some embodiments, the present invention provides a method of treating (e.g., ablating) cardiac tissue, comprising: a) contacting an animal with a nanoparticle comprising a matrix, a toxic (e.g., ablative) agent (e.g., sonosensitizer, chemotherapeutic agent (e.g., doxorubicin or cisplatin), or photosensitizer), and a cardiac targeting moiety; and b) administering an activator of the toxic agent (e.g., light, chemical (e.g., pharmaceutical agent) or ultrasound) to at least a portion of the cardiac tissue (e.g., heart) of the animal to activate the toxic agent.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: June 28, 2022
    Assignee: THE REGENTS OF THE UNIVERSITY OF MICHIGAN
    Inventors: Jerome Kalifa, Raoul Kopelman, Uma Mahesh R. Avula, Gwangseong Kim, Yong-Eun Koo Lee, Hyung Ki Yoon
  • Patent number: 11260364
    Abstract: The super absorbent polymer according to the present invention has reduced 3-hour saline solution re-wet while having a high absorption rate and absorption against pulp, and thus can be used for hygienic materials such as diapers, thereby exhibiting excellent performance.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: March 1, 2022
    Inventors: Ji Yoon Jeong, Jun Kyu Kim, Dae Woo Nam, Tae Hwan Jang, Bo Hyun Seong, Yeon Woo Hong, Su Jin Kim, Seong Beom Heo, Seon Jung Jung, Hyung Ki Yoon
  • Publication number: 20210309048
    Abstract: A device configured for coupling a resonator to a vehicle wheel, may include an annular first strap assembled with an external circumferential surface of the wheel rim and fixing positions of resonators disposed on the external circumferential surface of the wheel rim; and an annular second strap surrounding second flanges formed at second edge portions of the resonators based on an axial direction of the wheel rim and pressurizing the second flange toward the external circumferential surface of the wheel rim after first flanges, which are formed on second edge portions of the resonators based on an axial direction of the wheel rim, are inserted between the first strap and the external circumferential surface of the wheel rim
    Type: Application
    Filed: December 1, 2020
    Publication date: October 7, 2021
    Applicants: Hyundai Motor Company, Kia Motors Corporation, SHINWOOSHIN CO., LTD., HANDS CORPORATION Ltd., KWANG SUNG CORPORATION LTD
    Inventors: Doo Seek PARK, Eun Sang RYU, Hyeong Seop KIM, Moon Seok HWANG, Gi Woo LEE, Hyung Ki YOON, Kwang Hyun CHO, Jae Woo SUNG, Soon Shik KIM, Young Sik KIM
  • Patent number: 11046819
    Abstract: A super absorbent polymer according to the present invention has excellent dryness while maintaining excellent absorption performance, and thus is preferably used for hygienic materials such as diapers, and can exhibit excellent performance.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: June 29, 2021
    Inventors: Dae Woo Nam, Jun Kyu Kim, Hyung Ki Yoon, Tae Hwan Jang, Bo Hyun Seong, Yeon Woo Hong, Su Jin Kim, Seong Beom Heo, Seon Jung Jung, Ji Yoon Jeong
  • Publication number: 20210189074
    Abstract: A super absorbent polymer according to the present invention has excellent dryness while maintaining excellent absorption performance, and thus is preferably used for hygienic materials such as diapers, and can exhibit excellent performance.
    Type: Application
    Filed: March 9, 2021
    Publication date: June 24, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Dae Woo Nam, Jun Kyu Kim, Hyung Ki Yoon, Tae Hwan Jang, Bo Hyun Seong, Yeon Woo Hong, Su Jin Kim, Seong Beom Heo, Seon Jung Jung, Ji Yoon Jeong
  • Publication number: 20210163693
    Abstract: Provided are a superabsorbent polymer and a preparation method thereof. According to the present invention, a superabsorbent polymer having high centrifuge retention capacity and absorption rate may be prepared by using a specific foam stabilizer.
    Type: Application
    Filed: February 10, 2021
    Publication date: June 3, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Hyung Ki Yoon, Yeon Woo Hong, Seong Beom Heo, Dae Woo Nam, Tae Hwan Jang, Jun Kyu Kim, Bo Hyun Seong, Su Jin Kim, Seon Jung Jung, Ji Yoon Jeong
  • Patent number: 11020725
    Abstract: A superabsorbent polymer according to the present invention has excellent initial absorption properties, and thus it may be used in sanitary materials such as diapers, etc., thereby exhibiting excellent performances.
    Type: Grant
    Filed: January 5, 2017
    Date of Patent: June 1, 2021
    Inventors: Jun Kyu Kim, Hyung Ki Yoon, Dae Woo Nam, Bo Hyun Seong, Yeon Woo Hong, Seong Beom Heo, Seon Jung Jung, Ji Yoon Jeong, Tae Hwan Jang, Su Jin Kim
  • Patent number: 10988582
    Abstract: The present invention relates to a super absorbent polymer exhibiting more improved liquid permeability while maintaining excellent absorption performance, and a method for producing the same. The super absorbent polymer comprises: a base polymer powder comprising a first cross-linked polymer of a water-soluble ethylenically unsaturated monomer having at least partially neutralized acidic groups; and a surface crosslinked layer formed on the base polymer powder and including a second cross-linked polymer in which the first crosslinked polymer is further cross-linked through an alkylene carbonate having two to five carbon atoms. The super absorbent polymer satisfies predetermined physical properties.
    Type: Grant
    Filed: January 3, 2017
    Date of Patent: April 27, 2021
    Inventors: Hyemin Lee, Sung Jong Seo, Hyung Ki Yoon
  • Patent number: 10961356
    Abstract: Provided are a superabsorbent polymer and a preparation method thereof. According to the present invention, a superabsorbent polymer having high centrifuge retention capacity and absorption rate may be prepared by using a specific foam stabilizer.
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: March 30, 2021
    Inventors: Hyung Ki Yoon, Yeon Woo Hong, Seong Beom Heo, Dae Woo Nam, Tae Hwan Jang, Jun Kyu Kim, Bo Hyun Seong, Su Jin Kim, Seon Jung Jung, Ji Yoon Jeong
  • Patent number: 10843170
    Abstract: A superabsorbent polymer having high centrifuge retention capacity and absorption rate prepared by using a particular foam stabilizer and a polymerization initiator. The foam stabilizer includes a sucrose ester and a polyalkylene oxide, and polymerization initiator includes a photoinitiator and a cationic azo-based initiator.
    Type: Grant
    Filed: February 2, 2018
    Date of Patent: November 24, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Yeon Woo Hong, Seong Beom Heo, Hyung Ki Yoon, Dae Woo Nam, Tae Hwan Jang, Jun Kyu Kim, Bo Hyun Seong, Su Jin Kim, Seon Jung Jung, Ji Yoon Jeong
  • Patent number: 10829630
    Abstract: The present invention relates to a super absorbent polymer which maintains excellent absorption performance and retains physical properties even after being physically damaged by an external force. The super absorbent polymer comprises: a base polymer powder including a first cross-linked polymer of a water-soluble ethylenically unsaturated monomer having at least partially neutralized acidic groups; and a surface cross-linked layer formed on the base polymer powder and including a second cross-linked polymer in which the first cross-linked polymer is further cross-linked via an alkylene carbonate having 2 to 5 carbon atoms, wherein the super absorbent polymer satisfies predetermined physical properties.
    Type: Grant
    Filed: January 3, 2017
    Date of Patent: November 10, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Sung Jong Seo, Chang Sun Han, Hyemin Lee, Hyung Ki Yoon
  • Patent number: 10821418
    Abstract: The present invention relates to a super absorbent polymer exhibiting more improved liquid permeability and/or absorption rate while maintaining excellent absorption performance. Such super absorbent polymer comprises a base polymer powder including a first cross-linked polymer of a water-soluble ethylenically unsaturated monomer having at least partially neutralized acidic groups; and a surface cross-linked layer formed on the base polymer powder and including a second cross-linked polymer in which the first cross-linked polymer is further cross-linked through an alkylene carbonate having 2 to 5 carbon atoms, and satisfies predetermined physical properties.
    Type: Grant
    Filed: January 10, 2017
    Date of Patent: November 3, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Dae Woo Nam, Chang Sun Han, Hyemin Lee, Hwayoon Jung, Hyung Ki Yoon
  • Patent number: 10814307
    Abstract: A super absorbent polymer according to the present invention has fast absorption rate while having high permeability and suction power, and thus is preferably used for hygienic materials such as diapers and can exhibit excellent performance.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: October 27, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Seong Beom Heo, Yeon Woo Hong, Hyung Ki Yoon, Bo Hyun Seong, Su Jin Kim, Tae Hwan Jang, Jun Kyu Kim
  • Patent number: 10773237
    Abstract: The present invention relates to a method for preparing a super absorbent polymer exhibiting improved liquid permeability, gel strength, absorption rate and the like while maintaining excellent absorption performance. The method for preparing the super absorbent polymer comprises the steps of: carrying out a crosslinking polymerization of a water-soluble ethylenically unsaturated monomer having at least partially neutralized acidic groups in the presence of an internal crosslinking agent to form a hydrogel polymer including a cross-linked polymer; drying, pulverizing, and classifying the hydrogel polymer to form a base polymer powder; and surface-crosslinking the base polymer powder by using a surface crosslinking liquid containing a surface crosslinking agent of an alkylene carbonate having 2 to 5 carbon atoms, in the presence of hydrophobic silica particles having a water-contact angle of more than 10° and 150° or less and hydrophilic silica particles having a water-contact angle of 10° or less.
    Type: Grant
    Filed: January 3, 2017
    Date of Patent: September 15, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Hyung Ki Yoon, Dae Woo Nam, Hyemin Lee, Chang Sun Han, Sung Jong Seo
  • Publication number: 20200188514
    Abstract: The present invention relates to nanoparticles. In particular, the present invention provides nanoparticles for clinical (e.g., targeted therapeutic), diagnostic (e.g., imaging), and research applications in the field of cardiology. For example, in some embodiments, the present invention provides a method of treating (e.g., ablating) cardiac tissue, comprising: a) contacting an animal with a nanoparticle comprising a matrix, a toxic (e.g., ablative) agent (e.g., sonosensitizer, chemotherapeutic agent (e.g., doxorubicin or cisplatin), or photosensitizer), and a cardiac targeting moiety; and b) administering an activator of the toxic agent (e.g., light, chemical (e.g., pharmaceutical agent) or ultrasound) to at least a portion of the cardiac tissue (e.g., heart) of the animal to activate the toxic agent.
    Type: Application
    Filed: December 10, 2019
    Publication date: June 18, 2020
    Inventors: Jerome Kalifa, Raoul Kopelman, Uma Mahesh R. Avula, Gwangseong Kim, Yong-Eun Koo Lee, Hyung Ki Yoon
  • Publication number: 20200122119
    Abstract: The super absorbent polymer according to the present invention has reduced 3-hour saline solution re-wet while having a high absorption rate and absorption against pulp, and thus can be used for hygienic materials such as diapers, thereby exhibiting excellent performance.
    Type: Application
    Filed: December 28, 2016
    Publication date: April 23, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Ji Yoon Jeong, Jun Kyu Kim, Dae Woo Nam, Tae Hwan Jang, Bo Hyun Seong, Yeon Woo Hong, Su Jin Kim, Seong Beom Heo, Seon Jung Jung, Hyung Ki Yoon