This inventor holds 2 USPTO granted patents and 1 EPO patent. Top assignee: Cheil Industries Inc.. Active years: 2015-2016.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2015-2016
Title: Do-Hoon Chang: Innovator in Polyamide Resin Technologies
Introduction
Do-Hoon Chang is a prominent inventor based in Uiwang-si, South Korea. He has made significant contributions to the field of polymer science, particularly in the development of polyamide resin compositions. With a total of 2 patents, his work has advanced the understanding and application of thermoplastic materials.
Latest Patents
Chang's latest patents include innovative formulations that enhance the properties of polyamide resins. One of his notable inventions is a polyamide resin composition that incorporates a semi-aromatic polyamide resin. This composition features a dicarboxylic acid unit that includes about 40 to about 100 mol % of an aromatic dicarboxylic acid unit, along with an aliphatic diamine unit. Additionally, it includes a glass fiber and optionally a heat stabilizer containing copper halide and/or alkali metal halide. The specific conditions regarding the content of terminal carboxyl and amino groups in the molecular chain are also addressed in this patent.
Another significant patent by Chang is a thermoplastic resin composition that consists of a base resin. This composition includes about 16 to about 73 wt % of polyphenylene ether, about 18 to about 82 wt % of polyamide, and about 1 to about 20 wt % of a polyethylene-based polymer. It also incorporates multi-functional compatibilizers that enhance the material's performance.
Career Highlights
Do-Hoon Chang is currently associated with Cheil Industries Inc., where he continues to innovate in the field of polymer technology. His work has been instrumental in developing materials that meet the evolving demands of various industries.
Collaborations
Throughout his career, Chang has collaborated with talented individuals such as Jung-Hun Lee and Chang-Min Hong. These partnerships have fostered a creative environment that encourages the exchange of ideas and expertise.
Conclusion
Do-Hoon Chang's contributions to polyamide resin technologies exemplify the impact of innovative thinking in material science. His patents reflect a commitment to advancing the field and addressing the needs of modern applications.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile