Patents by Inventor Gi Joo SHIN

Gi Joo 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).

  • Polishing slurry composition enabling implementation of multi-selectivity
    Patent number: 11332641
    Abstract: A polishing slurry composition enabling implementation of multi-selectivity is provided. The polishing slurry composition includes: a polishing liquid including abrasive particles; and an additive liquid, in which the additive liquid includes a polymer having an amide bond, and a cationic polymer.
    Type: Grant
    Filed: December 16, 2020
    Date of Patent: May 17, 2022
    Assignee: KCTECH CO., LTD.
    Inventors: Gi Joo Shin, Jung Yoon Kim, Kwang Soo Park, Soo Wan Choi
  • POLISHING SLURRY COMPOSITION ENABLING IMPLEMENTATION OF MULTI-SELECTIVITY
    Publication number: 20210189178
    Abstract: A polishing slurry composition enabling implementation of multi-selectivity is provided. The polishing slurry composition includes: a polishing liquid including abrasive particles; and an additive liquid, in which the additive liquid includes a polymer having an amide bond, and a cationic polymer.
    Type: Application
    Filed: December 16, 2020
    Publication date: June 24, 2021
    Applicant: KCTECH CO., LTD.
    Inventors: Gi Joo SHIN, Jung Yoon KIM, Kwang Soo PARK, Soo Wan CHOI