Kyoko Tsuta

Title: Kyoko Tsuta: Innovator in Hydroxyflavan Compounds

Introduction

Kyoko Tsuta is a prominent inventor based in Kawanishi, Japan. She has made significant contributions to the field of chemistry, particularly in the development of hydroxyflavan compounds. With a total of 3 patents to her name, her work has garnered attention for its innovative approaches and practical applications.

Latest Patents

One of her latest patents is a process for preparing hydroxyflavan compounds. This process involves reacting a polyhydric phenol compound with a ketone in the presence of an acid catalyst and water or a seed crystal. The method utilizes an organic solvent that is insoluble in water, resulting in high yield and selectivity while maintaining a high conversion rate of the polyhydric phenol. Another notable patent relates to a rubber composition containing a flavan compound. This invention describes a method for producing vulcanized rubber by compounding a rubber and a flavan compound at a relatively high temperature. The resulting vulcanized rubber exhibits excellent properties, including increased hardness and improved processability.

Career Highlights

Kyoko Tsuta is currently associated with Sumitomo Chemical Company, Limited, where she continues to innovate and contribute to the field of chemical engineering. Her work has not only advanced scientific understanding but also provided practical solutions for various industrial applications.

Collaborations

She has collaborated with notable coworkers, including Naoki Inui and Hironobu Iyama, to further enhance her research and development efforts.

Conclusion

Kyoko Tsuta's contributions to the field of hydroxyflavan compounds and rubber compositions highlight her innovative spirit and dedication to advancing chemical science. Her work continues to inspire future generations of inventors and researchers.