Nobukatsu Katoh

Title: Nobukatsu Katoh: Innovator in Aromatic Polyester Amide Production

Introduction

Nobukatsu Katoh is a notable inventor based in Tokai, Japan. He has made significant contributions to the field of chemical engineering, particularly in the production of aromatic polyester amides. His innovative approach has led to advancements in the synthesis of these important materials.

Latest Patents

Nobukatsu Katoh holds a patent for a process for producing aromatic polyester amide. This process involves reacting hydroxyphenyl-aminophenyl-propane with aromatic dicarboxylic acid dihalide in the presence of an inert organic solvent. The method further includes bringing the organic solvent phase containing the reaction products into contact with an aqueous phase that contains an acid-acceptor. This technique effectively completes the polycondensation reaction. To control the dissolution of water into the organic solvent phase while maintaining adequate miscibility, a neutral salt of inorganic electrolyte, such as sodium chloride, is added to the aqueous phase.

Career Highlights

Nobukatsu Katoh is associated with Mitsui Toatsu Chemicals, Incorporated, where he has applied his expertise in chemical processes. His work has contributed to the development of new materials that have various applications in the industry. His innovative methods have been recognized for their efficiency and effectiveness in producing high-quality aromatic polyester amides.

Collaborations

Nobukatsu has collaborated with esteemed colleagues such as Yoshio Morimoto and Takashi Kataoka. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas in the field of chemical engineering.

Conclusion

Nobukatsu Katoh's contributions to the production of aromatic polyester amides highlight his role as an influential inventor in the chemical industry. His innovative processes and collaborations have paved the way for advancements in material science.