Norio Ishikawa

Title: Norio Ishikawa: Innovator in Methyl Methacrylate Purification

Introduction

Norio Ishikawa is a notable inventor based in Takaishi, Japan. He has made significant contributions to the field of chemical engineering, particularly in the purification processes of methyl methacrylate (MMA). His innovative work has led to the development of efficient methods for recovering valuable chemicals.

Latest Patents

Ishikawa holds a patent for a purification and preparation process for methyl methacrylate. This patent describes a purification process that involves azeotropic distillation with hexane to obtain MMA in a form that is substantially free of impurities such as water, methanol, and other components. The process also includes a method for recovering methanol from the water phase by adding an alkaline substance and distilling the mixture. Additionally, the preparation of MMA can be achieved by esterifying methacrylic acid or methacrylamide with methanol, followed by the purification process he developed.

Career Highlights

Throughout his career, Norio Ishikawa has worked with prominent companies in the chemical industry. He has been associated with Mitsui Toatsu Chemicals, Incorporated and Kuraray Co., Ltd., where he has applied his expertise in chemical processes and innovations.

Collaborations

Ishikawa has collaborated with notable colleagues, including Hirozo Segawa and Katsuji Yoguchi. Their combined efforts have contributed to advancements in chemical engineering and the development of new technologies.

Conclusion

Norio Ishikawa's contributions to the purification and preparation processes for methyl methacrylate highlight his innovative spirit and dedication to advancing chemical engineering. His work continues to influence the industry and pave the way for future developments.