Takaharu Oono

Title: Takaharu Oono: Innovator in Bisphenol Composition and Polycarbonate Resin Production

Introduction

Takaharu Oono is a notable inventor based in Chiyoda-ku, Japan. He has made significant contributions to the field of chemical engineering, particularly in the development of bisphenol compositions and polycarbonate resins. His innovative work has led to the filing of a patent that enhances the production processes in this area.

Latest Patents

Takaharu Oono holds a patent for a bisphenol composition containing aromatic alcohol sulfonate and methods for producing it. This patent includes a bisphenol composition that incorporates a specific amount of aromatic alcohol sulfonate, which allows for an efficient melt polymerization reaction. This process results in the production of polycarbonate resin with an excellent color tone. The patent outlines a method for producing the bisphenol composition by reacting a ketone or an aldehyde with an aromatic alcohol in the presence of sulfuric acid. Additionally, it describes the production of polycarbonate resin using this bisphenol composition.

Career Highlights

Takaharu Oono is associated with Mitsubishi Chemical Corporation, where he has been instrumental in advancing chemical production techniques. His work has not only contributed to the company's portfolio but has also had a broader impact on the industry.

Collaborations

Takaharu has collaborated with notable colleagues such as Kei Uchiyama and Takayuki Yoshida. These collaborations have fostered innovation and have been essential in the development of new chemical processes.

Conclusion

Takaharu Oono's contributions to the field of chemical engineering, particularly through his patent on bisphenol compositions and polycarbonate resin production, highlight his role as an innovator. His work continues to influence the industry and pave the way for future advancements.