Patents by Inventor Dong ll SHIN

Dong ll SHIN 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).

  • PREPARATION METHOD OF HYDROGENATED PETROLEUM RESIN
    Publication number: 20220325011
    Abstract: The invention relates to a method for preparing hydrogenated petroleum resin. More specifically, the invention relates to a method for preparing hydrogenated petroleum resin having aromaticity of 10% or more and exhibiting excellent color and thermal stability, through a hydrogenation reaction in a slurry reactor, using a selective hydrogenation catalyst having excellent selectivity to olefinic double bonds in petroleum resin.
    Type: Application
    Filed: June 2, 2020
    Publication date: October 13, 2022
    Inventors: Sangho SEO, Keedo HAN, Pilje SEONG, Dong ll SHIN, Bong Sik JEON