Patents Assigned to EVERCHEMTECH
  • Patent number: 12275866
    Abstract: The present disclosure relates to a biodegradable thermal adhesive coating composition and a method of preparation thereof, and more specifically, it relates to a biodegradable thermal adhesive coating composition, which is biodegradable in order to be environment-friendly, excellent in its adhesion to substrates of various materials, such as paper, plastic, etc., water-resistant, stable in the viscosity change, and suitable for a production process using thermal adhesion, and a method of preparation thereof.
    Type: Grant
    Filed: December 6, 2023
    Date of Patent: April 15, 2025
    Assignee: EVERCHEMTECH CO., LTD
    Inventors: Chan Suk Yoon, Seul Bi Lee, Seong Young Kwon
  • Publication number: 20220153938
    Abstract: Disclosed are an oxygen barrier film, a food wrapper including the same, and a method of preparing the oxygen barrier film. The oxygen barrier film may include: a base layer; and an organic/inorganic hybrid layer located on the base layer and including a natural hydrogel and a silane coupling agent.
    Type: Application
    Filed: November 16, 2020
    Publication date: May 19, 2022
    Applicant: EVERCHEMTECH
    Inventors: So Hyeon CHO, Na Young PAK, Young Ju CHOI, Chan Suk YOON