Company Filing History:
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1 out of 48 Years Active: 2024
Title: Inventor Spotlight: Ho Seung Lee
Introduction
Ho Seung Lee, an innovative inventor based in Daejeon, South Korea, has made significant contributions in the field of biodegradable polymers. With a focus on enhancing hydrolysis resistance and viscosity, Lee's work reflects the growing importance of sustainable materials in modern applications.
Latest Patents
Ho Seung Lee holds a patent for a "High-viscosity biodegradable aliphatic-aromatic polyester copolymer having excellent hydrolysis resistance and method of preparing the same." This invention provides a biodegradable copolymer characterized by a carboxyl end group (CEG) content of 15 mg KOH/g or less, a z-average to number average molecular weight ratio (Mz/Mn) ranging from 3 to 15, and a melt index (MI) of 5 g/10 min or less, measured at 190° C. with a load of 2.16 kg under ASTM D 1238 standards. The method of preparation described in the patent includes the addition of a chain extender and an anti-hydrolysis agent to an aliphatic-aromatic polyester pre-copolymer over time, achieving a notable increase in viscosity and hydrolysis resistance.
Career Highlights
Lee has been associated with notable companies such as SK Innovation Co., Ltd. and SK Geo Centric Co., Ltd., where he contributed to advancements in polymer technology and sustainable materials. His innovative approach has paved the way for further developments in biodegradable materials.
Collaborations
Throughout his career, Ho Seung Lee has collaborated with esteemed professionals in the field, including Do Young Kim and Hyun Sik Yang. These collaborations have facilitated knowledge exchange and fostered innovation in the Polymer Engineering community.
Conclusion
Ho Seung Lee remains a vital figure in the realm of biodegradable materials, with his patent underscoring the potential for sustainable solutions in various applications. His work not only showcases his inventive prowess but also highlights the importance of collaboration in advancing technology for a greener future.