Akiko Doi

Title: Akiko Doi: Innovator in Polyethylene Glycol Production

Introduction

Akiko Doi is a prominent inventor based in Kawasaki, Japan. She has made significant contributions to the field of chemical engineering, particularly in the production of polyethylene glycol. Her innovative methods have the potential to enhance various applications in the industry.

Latest Patents

Akiko Doi holds a patent for a method of producing polyethylene glycol with a terminal carboxyl group. This method involves oxidizing polyethylene glycol represented by the formula (I): CHO(CHCHO)(CH)—CHO using potassium peroxymonosulfate in water. The pH of the solution is adjusted to be between 6 and 8 with the addition of at least one selected from a carbonate, a phosphate, a citrate, and an acetate at temperatures ranging from 5 to 40°C. The resulting product is polyethylene glycol represented by formula (II): CHO(CHCHO)(CH)—COOH, where n ranges from 10 to 1,100, and m is either 2 or 3. This innovative approach has led to the development of a valuable chemical compound with various industrial applications.

Career Highlights

Akiko Doi is currently employed at Nof Corporation, where she continues to advance her research and development efforts. Her work has garnered attention for its practical applications and contributions to the field of polymer chemistry. With a focus on innovation, she has established herself as a key figure in her area of expertise.

Collaborations

Throughout her career, Akiko has collaborated with notable colleagues, including Takashi Ichikawa and Tsuyoshi Takehana. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and advancements in their respective fields.

Conclusion

Akiko Doi's contributions to the production of polyethylene glycol highlight her innovative spirit and dedication to advancing chemical engineering. Her patent and ongoing work at Nof Corporation demonstrate her commitment to developing practical solutions in the industry.