Hiroshi Matsumura

Title: Hiroshi Matsumura: Innovator in Methacrylic Acid Processes

Introduction

Hiroshi Matsumura is a notable inventor based in Otake, Japan. He has made significant contributions to the field of chemical engineering, particularly in the processes related to methacrylic acid. With a total of 4 patents to his name, Matsumura's work has had a considerable impact on the industry.

Latest Patents

Matsumura's latest patents include a process for isolating methacrylic acid by extraction. This innovative method involves solvent extraction from an aqueous methacrylic acid solution obtained from a gas phase catalytic oxidation reaction. The process is characterized by the initial contact of the aqueous solution with an extraction solvent, followed by the removal of precipitated polymers before feeding the remainder into an extraction column. Another significant patent is for the preparation of methacrylic acid esters. This process entails reacting methacrylic acid with a lower aliphatic alcohol in the liquid phase using a solid acid catalyst, optimizing the molar ratio of alcohol to methacrylic acid and the reaction temperature.

Career Highlights

Throughout his career, Matsumura has worked with prominent companies such as Mitsubishi Rayon Company, Limited and Minemet Recherche. His experience in these organizations has allowed him to refine his expertise in chemical processes and patent development.

Collaborations

Matsumura has collaborated with notable coworkers, including Fumiki Murakami and Takashi Tokutomi. These partnerships have contributed to the advancement of his research and the successful development of his patents.

Conclusion

Hiroshi Matsumura's contributions to the field of methacrylic acid processes highlight his innovative spirit and dedication to chemical engineering. His patents reflect a commitment to advancing industry practices and improving chemical production methods.