Mithio Sawai

Title: Mithio Sawai: Innovator in Chemical Purification

Introduction

Mithio Sawai is a notable inventor based in Kamifukuoka, Japan. He has made significant contributions to the field of chemical purification, particularly through his innovative methods.

Latest Patents

Mithio Sawai holds a patent for a method of purifying hexafluoroacetone hydrate. This method involves purifying crude hexafluoroacetone (HFA) hydrate that contains chlorofluoroacetone(s) hydrate(s) as impurities. The process includes adding an alkali metal hydroxide and maintaining the mixture at an elevated temperature, preferably between 100°C and 110°C. This approach facilitates the decomposition reaction of chlorofluoroacetone hydrates with the alkali metal hydroxide, followed by the neutralization of any excess alkali metal hydroxide. The alkali metal hydroxides preferentially react with chlorofluoroacetone hydrates while having minimal interaction with coexisting HFA hydrate.

Career Highlights

Mithio Sawai is currently associated with Central Glass Company, Limited, where he continues to apply his expertise in chemical processes. His work has contributed to advancements in the purification of chemical compounds, enhancing the efficiency and effectiveness of various industrial applications.

Collaborations

Mithio Sawai has collaborated with notable colleagues, including Yoshihiro Tasaka and Toshikazu Kawai. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Mithio Sawai's contributions to the field of chemical purification exemplify the impact of innovative thinking in industrial applications. His patent for purifying hexafluoroacetone hydrate showcases his commitment to advancing chemical processes.