Kee Yoon Roh

4 Patents

• US125401142026

  System of Preparing a Phthalonitrile-based Compound and Method of Preparing Phthalonitrile-based Compound Using the Same

  KOREA KUMHO PETROCHEMICAL CO., Ltd.

  0 cites
• US124862232025

  Method of Preparing a Thiomethylphenol Derivative

  KOREA KUMHO PETROCHEMICAL CO., Ltd.

  0 cites
• US124157782025

  Method for Preparing Phthalonitrile-based Compound

  KOREA KUMHO PETROCHEMICAL CO., Ltd.

  0 cites
• US118343952023

  Method for Preparing Hydrogenated Bisphenol A

  KOREA KUMHO PETROCHEMICAL CO., Ltd.

  0 cites