Patents by Inventor Yun-Kyung DO

Yun-Kyung DO 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: 12338331
    Abstract: This invention relates to a method for preparing a superabsorbent polymer, more specifically to a method for preparing a superabsorbent polymer that uses stearic acid or salts thereof in the process of reassembling fine powders, thereby improving processability in the preparation process of the superabsorbent polymer, and realizing excellent absorption properties.
    Type: Grant
    Filed: October 8, 2020
    Date of Patent: June 24, 2025
    Assignee: LG Chem, Ltd.
    Inventors: Se Yeol Park, Gicheul Kim, Yun Kyung Do, Sangwon Han
  • Publication number: 20250143938
    Abstract: The present disclosure relates to an absorbent body and a hygiene article exhibiting excellent shape retention even after moisture absorption, which can contribute to thinning the absorbent body and hygiene article by properly fixing the super absorbent polymer particles within the absorbent body and hygiene article without using pulp.
    Type: Application
    Filed: November 16, 2023
    Publication date: May 8, 2025
    Applicant: LG Chem, Ltd.
    Inventor: Yun Kyung Do
  • Publication number: 20250135063
    Abstract: The present disclosure relates to a preparation method for an absorbent body exhibiting excellent shape retention even after moisture absorption, which can contribute to thinning the absorbent body by properly fixing the super absorbent polymer particles within the absorbent body without using pulp and can improve the filling rate by uniformly applying a super absorbent polymer.
    Type: Application
    Filed: November 16, 2023
    Publication date: May 1, 2025
    Applicant: LG Chem, Ltd.
    Inventors: Hyemi Nam, Yun Kyung Do, Sunghun Nam
  • Publication number: 20250032662
    Abstract: A super absorbent polymer has excellent absorption rate and absorption performance while exhibiting excellent rewet properties even without containing pulp. A preparation method of the super absorbent polymer is also provided.
    Type: Application
    Filed: November 16, 2023
    Publication date: January 30, 2025
    Applicant: LG Chem, Ltd.
    Inventors: Hyemin Lee, Yun Kyung Do, Chang Hun Han, Hyemi Nam
  • Publication number: 20220315715
    Abstract: This invention relates to a method for preparing a superabsorbent polymer, more specifically to a method for preparing a superabsorbent polymer that uses stearic acid or salts thereof in the process of reassembling fine powders, thereby improving processability in the preparation process of the superabsorbent polymer, and realizing excellent absorption properties.
    Type: Application
    Filed: October 8, 2020
    Publication date: October 6, 2022
    Applicant: LG Chem, Ltd.
    Inventors: Se Yeol Park, Gicheul Kim, Yun Kyung Do, Sangwon Han
  • Patent number: 8507620
    Abstract: The present invention relates to a process for preparing a water absorbent resin, particularly to a process for preparing a water absorbent resin which can resolve the uneven size of the fine pulverized gel-type resin and long pulverizing time those are the problems of prior process for preparing the water absorbent resin, by carrying out the pulverizing process of the gel-type resin divided into the coarse pulverizing process which is carried out with the internal cross-linking polymerization, and the fine pulverizing process. According to the preparation process, it is possible to mass-produce the water absorbent resin showing excellent absorption under pressure and low extractable content.
    Type: Grant
    Filed: June 7, 2011
    Date of Patent: August 13, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Jun-Kyu Kim, Jong-Hyuk Kwon, Young-Jae Hur, Yun-Kyung Do
  • Publication number: 20110301303
    Abstract: The present invention relates to a process for preparing a water absorbent resin, particularly to a process for preparing a water absorbent resin which can resolve the uneven size of the fine pulverized gel-type resin and long pulverizing time those are the problems of prior process for preparing the water absorbent resin, by carrying out the pulverizing process of the gel-type resin divided into the coarse pulverizing process which is carried out with the internal cross-linking polymerization, and the fine pulverizing process. According to the preparation process, it is possible to mass-produce the water absorbent resin showing excellent absorption under pressure and low extractable content.
    Type: Application
    Filed: June 7, 2011
    Publication date: December 8, 2011
    Applicant: LG CHEM, LTD.
    Inventors: Jun-Kyu KIM, Jong-Hyuk KWON, Young-Jae HUR, Yun-Kyung DO