This inventor holds 3 USPTO granted patents. Top assignees: Asahi Kasei Kogyo Kabushiki Kaisha, Asahi-Dow Limited. Active years: 1980-1988.
Location History:
- Nobeoka, JP (1980)
- Yokohama, JP (1984 - 1988)
Company Filing History:
Years Active: 1980-1988
Title: Innovations of Tokio Sakurai
Introduction
Tokio Sakurai is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of chemical engineering, particularly in the production of polyphenylene ether and orthomethylated phenol compounds. With a total of 3 patents to his name, Sakurai's work has implications in the development of advanced engineering plastics.
Latest Patents
One of Sakurai's latest patents is a method for producing a polyphenylene ether. This innovative method involves the reaction of a phenol compound with an oxidizing agent in a reaction medium, utilizing a highly active catalyst that includes copper compounds, 1,3-diamine compounds, and halogen compounds. The reaction medium also contains alcohols such as methanol and ethanol. This method is advantageous for producing polyphenylene ether with desirable color and improved Izod impact strength when combined with rubber-reinforced polystyrene.
Another significant patent by Sakurai is the method for the manufacture of orthomethylated phenol compounds. This process involves the reaction of phenol compounds with methanol, using a catalyst that comprises iron oxide, indium oxide, and either chromium oxide or silicon oxide. This method allows for high yields and efficiency in producing orthomethylated phenol compounds, thanks to the catalyst's excellent activity-retaining properties.
Career Highlights
Throughout his career, Tokio Sakurai has worked with prominent companies such as Asahi Kasei Kogyo and Asahi-Dow Limited. His experience in these organizations has contributed to his expertise in chemical processes and innovations.
Collaborations
Sakurai has collaborated with notable coworkers, including Tsutomu Abe and Akihiko Ikeda. Their combined efforts have likely enhanced the development and application of Sakurai's innovative methods.
Conclusion
Tokio Sakurai's contributions to the field of chemical engineering through his patents demonstrate his innovative spirit and commitment to advancing technology. His work continues to influence the production of essential materials in engineering plastics.