Shigeru Tsutsumi

Title: Shigeru Tsutsumi: Innovator in Chemical Processes

Introduction

Shigeru Tsutsumi is a notable inventor based in Hirakata, Japan. He has made significant contributions to the field of chemical processes, particularly in the production of dodecanedioic acid dimethyl ester. His innovative approach has garnered attention in the industry.

Latest Patents

Shigeru Tsutsumi holds a patent for a process for producing dodecanedioic acid dimethyl ester. This process involves reacting cyclohexanone with methanol and hydrogen peroxide in the presence of an acid catalyst and water. The reaction occurs at a temperature below the boiling point of methanol, leading to the formation of methoxycyclohexyl peroxide. The subsequent steps include dimerizing the peroxide in the presence of a ferrous salt and a significant amount of methanol, ultimately resulting in the desired ester.

Career Highlights

Tsutsumi is associated with Okamura Oil Mill, Ltd., where he applies his expertise in chemical processes. His work has contributed to advancements in the production methods used in the industry. With a focus on innovation, he continues to explore new avenues for enhancing chemical production.

Collaborations

Shigeru Tsutsumi collaborates with Yoshishige Kida, working together to further their research and development efforts in the field of chemical processes.

Conclusion

Shigeru Tsutsumi's contributions to the field of chemical processes, particularly through his patented methods, highlight his role as an innovator. His work at Okamura Oil Mill, Ltd. and collaborations with fellow researchers underscore the importance of teamwork in advancing technology.