Company Filing History:
Years Active: 1999-2002
Title: Heui-Young Cheong: Innovator in Vitamin E Derivatives
Introduction
Heui-Young Cheong is a notable inventor based in Taejon, South Korea. He has made significant contributions to the field of chemistry, particularly in the development of methods for synthesizing vitamin E derivatives. With a total of 2 patents, his work has implications for both commercial and health-related applications.
Latest Patents
One of his latest patents is a method for preparing DL-α-tocopherol with high yield. This innovative method involves the condensation of isophytol or phytol derivatives with trimethylhydroquinone (TMHQ) using a Zn–Al heterogeneous catalyst system. The process is conducted at temperatures ranging from 80 to 120°C for 2 to 7 hours, utilizing a Zn(II) ion-coated alumina-silica catalyst in an n-heptane solvent. This catalyst system significantly reduces side reactions, resulting in a high purity and yield of DL-α-tocopherol, making it suitable for commercial-scale production.
Another patent involves novel alpha-tocopherol cyclopropylates, which are new derivatives of vitamin E. These compounds are represented by a specific formula and include various substituents, such as hydrogen atoms and alkyl chains. This invention opens new avenues for research and application in the field of nutrition and health.
Career Highlights
Heui-Young Cheong is associated with SK Corporation, where he continues to innovate and develop new chemical processes. His work has garnered attention for its practical applications and potential benefits in the health industry.
Collaborations
He has collaborated with notable coworkers, including Sijoon Lee and Jeong-Soo Kim, contributing to a dynamic research environment that fosters innovation.
Conclusion
Heui-Young Cheong's contributions to the field of vitamin E derivatives highlight his role as a significant inventor. His innovative methods and collaborations continue to impact the industry positively.