Masakazu Nakagawa

Title: Masakazu Nakagawa: Innovator in Acrylonitrile Maleimides Solutions

Introduction

Masakazu Nakagawa is a notable inventor based in Himeji, Japan. He has made significant contributions to the field of acrylonitrile maleimides solutions, holding 2 patents that showcase his innovative approach to chemical compositions.

Latest Patents

His latest patents include a solution composition of acrylonitrile maleimides with improved shelf life. This invention focuses on adjusting the acid component in the solution to no more than 0.1% by weight based on the amount of maleimides contained. Additionally, it incorporates a polymerization inhibitor adjusted to a level between 0.0001% to 1% by weight. Another significant patent is a method for the production of maleimides, which involves a former-stage reaction using maleic anhydride and a primary amine, followed by a latter-stage reaction to ensure optimal molar ratios.

Career Highlights

Throughout his career, Nakagawa has worked with reputable companies such as Sokubai Kagaku Kogyo Co., Ltd. and Nippon Shokubai Kagaku Kogyo Co., Ltd. His work in these organizations has contributed to advancements in chemical engineering and product development.

Collaborations

He has collaborated with notable coworkers, including Yuichi Kita and Hitoshi Kanei, further enhancing his contributions to the field.

Conclusion

Masakazu Nakagawa's innovative work in acrylonitrile maleimides solutions has established him as a key figure in chemical invention. His patents reflect a commitment to improving product stability and production methods.