Patents by Inventor Dong Jun CHUNG

Dong Jun 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).

  • POLYAMIDE RESIN COMPOSITION
    Publication number: 20240117146
    Abstract: A polyamide resin composition using a recycled carbon fiber to establish reasonable manufacturing costs. The polyamide resin composition has excellent processability and can be used for injection molding, so that molded products with various structures can be made from the polyamide resin composition. In addition, good mechanical properties of the polyamide resin composition enable applications in various fields.
    Type: Application
    Filed: June 30, 2023
    Publication date: April 11, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, KOLON PLASTICS, INC.
    Inventors: Dong Jun Lee, Gi Bong Chung, Soo Yeon Park
  • Color-change sensor using film for detecting harmful material
    Patent number: 9581551
    Abstract: The following description relates to a composite for a harmful material-detecting sensor, which includes a dye having a color-change function by reaction with acid or base and a polymer material, a method for producing the composite for the harmful material-detecting sensor, and a low-cost film-type color change harmful material sensor, which includes the composite for the harmful material-detecting sensor so as to quickly detect a harmful material and can be carried by an individual.
    Type: Grant
    Filed: July 31, 2015
    Date of Patent: February 28, 2017
    Assignee: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Jeong Ho An, Dong Jun Chung
  • COLOR-CHANGE SENSOR USING FILM FOR DETECTING HARMFUL MATERIAL
    Publication number: 20160033419
    Abstract: The following description relates to a composite for a harmful material-detecting sensor, which includes a dye having a color-change function by reaction with acid or base and a polymer material, a method for producing the composite for the harmful material-detecting sensor, and a low-cost film-type color change harmful material sensor, which includes the composite for the harmful material-detecting sensor so as to quickly detect a harmful material and can be carried by an individual.
    Type: Application
    Filed: July 31, 2015
    Publication date: February 4, 2016
    Applicant: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Jeong Ho AN, Dong Jun CHUNG