This inventor holds 1 USPTO granted patent and 1 EPO patent. Top assignee: Lg Chem, Ltd. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2026
Title: Gyeongshin Choi and Polyphenylene Oxide Preparation
Introduction
Gyeongshin Choi is an inventor based in Daejeon, South Korea. His work includes a patent for a method of preparing polyphenylene oxide, a polymer used in industrial applications.
Latest Patents
Choi’s listed patent, “Method for Preparing Polyphenylene Oxide,” describes a process designed to reduce energy costs by avoiding a separate step to separate and purify ortho-cresol produced after phenol alkylation. The method also aims to produce polyphenylene oxide in high yields with excellent processability under mild oxidative coupling conditions. Choi is credited with 1 patent.
Career Highlights
Choi is associated with LG Chem, Ltd. His patented method focuses on improving the efficiency and processability of polyphenylene oxide production.
Collaborations
Choi’s listed coworkers include Jihyun Choi and Chunhwa Lee.
Conclusion
Gyeongshin Choi’s patent presents an approach to polyphenylene oxide production that seeks to reduce processing steps and energy costs while supporting high yields and processability.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile