Patents by Inventor Joug Yul Lee

Joug Yul Lee 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).

  • MEDIUM-LOW TEMPERATURE ASPHALT MODIFIER HAVING DEODORIZATION FUNCTION, ASPHALT MIXTURE PREPARED USING THE SAME, AND CONSTRUCTION METHOD THEREOF
    Publication number: 20240018352
    Abstract: Provided are a high-strength medium-low temperature asphalt modifier including: i) a styrenic thermoplastic elastomer powder which is frozen ground to 0.1 to 1 mm at a low temperature, wherein the styrenic thermoplastic elastomer is selected from a polystyrene-polybutadiene-polystyrene block copolymer (SBS), a styrene-butadiene rubber (SBR), a styrene-isoprene-styrene block copolymer (SIS), a styrene-ethylene-butylene-styrene block copolymer (SEBS), and a styrenic thermoplastic elastomer (STE), ii) a high-boiling point process oil, iii) a rosin resin tackifier modified by an aliphatic hydrocarbon, iv) a polymer-silica nanocomposite, and v) an asphalt deodorant, an asphalt mixture prepared using the same, and a construction method thereof.
    Type: Application
    Filed: July 11, 2023
    Publication date: January 18, 2024
    Inventors: Joung Ho Park, Nam Yeob Lee, Joug Yul Lee