Company Filing History:
Years Active: 1998-2001
Title: Innovations of Kum-Ui Hwang in Chemical Manufacturing
Introduction
Kum-Ui Hwang is a notable inventor based in Taejeon, South Korea. He has made significant contributions to the field of chemical manufacturing, particularly through his innovative methods for synthesizing important chemical compounds. With a total of four patents to his name, Hwang's work focuses on improving efficiency and reducing costs in chemical processes.
Latest Patents
Hwang's latest patents include a manufacturing method for 4-nitrosoaniline from urea and nitrobenzene. This method involves reacting urea and nitrobenzene in a polar organic solvent with a base at temperatures ranging from room temperature to 150°C. The use of relatively inexpensive raw materials, such as urea and nitrobenzene, significantly decreases manufacturing costs. Additionally, this method does not produce hazardous waste as a byproduct, making it environmentally friendly.
Another notable patent is the preparation of 4,4'-dinitrodiphenylamine from urea and nitrobenzene. This method also utilizes urea and nitrobenzene in a polar organic solvent with a base, but operates at temperatures between room temperature and 100°C. The process is designed to achieve high yield and selectivity without generating by-products, thus eliminating the need for post-treatment processes.
Career Highlights
Kum-Ui Hwang is currently employed at Korea Kumho Petrochemical Co., Ltd. His work at this company has allowed him to focus on developing innovative chemical manufacturing processes that are both cost-effective and environmentally sustainable. Hwang's contributions have been instrumental in advancing the company's capabilities in the chemical industry.
Collaborations
Hwang has collaborated with several colleagues, including Young J Joo and Jin-Eok Kim. These collaborations have fostered a productive environment for innovation and have led to the successful development of new chemical manufacturing methods.
Conclusion
Kum-Ui Hwang's innovative approaches to chemical manufacturing demonstrate his commitment to efficiency and sustainability. His patents reflect a deep understanding of chemical processes and a dedication to reducing costs while minimizing environmental impact. Hwang's work continues to influence the field and pave the way for future advancements in chemical manufacturing.