Company Filing History:
Years Active: 2008-2014
Title: **Innovations of Han Jin Kwag: A Pioneer in Chemical Processes**
Introduction
Han Jin Kwag is an accomplished inventor based in Daejeon, South Korea. With a remarkable portfolio of three patents, he has significantly contributed to the field of chemical processes, particularly in the preparation of advanced organic compounds. His inventions reflect not only his expertise in chemistry but also his commitment to improving production efficiency and yield.
Latest Patents
Among Han Jin Kwag's latest patents is a method for the preparation of 4,4'-dinitrodiphenylamine (4,4'-DNDPA) and its derivative 4,4'-bis(alkylamino)diphenylamine (4,4'-BAADA) using a base catalyst complex. This innovative method enhances the yield of 4,4'-DNDPA via the NASH reaction involving a mixture of bis-quaternary ammonium and a base catalyst interacting with urea and nitrobenzene. Furthermore, Han has also developed a method utilizing 4-nitroaniline, which provides a simplified process to achieve 4,4'-DNDPA with high purity and yield. This technique allows for the selective preparation of 4,4'-BAADA without byproducts, thereby removing the need for complex purification steps.
Career Highlights
Han Jin Kwag is currently associated with Korea Kumho Petrochemical Co., Ltd., where he actively engages in research and innovation within the chemical sector. His work focuses on optimizing processes and developing methods that not only enhance product quality but also reduce manufacturing costs.
Collaborations
Throughout his career, Han has collaborated with esteemed colleagues such as Jin-Eok Kim and Seoung-IL Kim. Together, they have worked on various projects that emphasize the importance of teamwork in scientific research and the development of innovative solutions in the industry.
Conclusion
Han Jin Kwag stands out as a notable inventor contributing to advancements in the chemical industry. His patents not only exemplify innovative thinking but also pave the way for more efficient manufacturing processes. With a dedication to research and collaboration, Han continues to make a significant impact in the field of chemical engineering.