Company Filing History:
Years Active: 2003
Title: Innovations of Jyh-Chang Dai in Maleimide Production
Introduction
Jyh-Chang Dai is a notable inventor based in Hsinchu Hsien, Taiwan. He has made significant contributions to the field of chemical engineering, particularly in the production of maleimides. His innovative methods have led to advancements in efficiency and sustainability in chemical processes.
Latest Patents
Jyh-Chang Dai holds a patent for a method for producing maleimides. This method involves reacting maleic anhydride and a primary amine at temperatures ranging from 100 to 180 degrees Celsius in an organic solvent, utilizing a solid acidic catalyst. The process includes purifying the maleimide produced through extraction and crystallization. The molar ratio of the primary amine to maleic anhydride is approximately 0.8 to 1.6. This invention achieves a high production yield with high purity of maleimides. Additionally, the solid acidic catalyst can be easily separated and recycled for subsequent use. The advantages of this method include improved yield, a conveniently reusable catalyst, reduced waste disposal, and lower costs.
Career Highlights
Jyh-Chang Dai is affiliated with the Industrial Technology Research Institute, where he continues to develop innovative solutions in chemical production. His work has been instrumental in enhancing the efficiency of chemical processes, contributing to both industry and academia.
Collaborations
Jyh-Chang Dai has collaborated with notable colleagues such as Kuo-Ching Wu and Yu-Lan Tung. Their combined expertise has fostered a productive research environment, leading to further advancements in their field.
Conclusion
Jyh-Chang Dai's contributions to the production of maleimides exemplify the impact of innovative thinking in chemical engineering. His patented method not only improves production efficiency but also promotes sustainability in the industry.