Tatsumi Toshine

Title: Innovations of Tatsumi Toshine

Introduction

Tatsumi Toshine is a notable inventor based in Yawata, Japan. He has made significant contributions to the field of chemistry, particularly in the development of emulsifiers and processes related to polymerization.

Latest Patents

Tatsumi Toshine holds 2 patents. His latest patents include an emulsifier for emulsion polymerization, which contains as its active component a half amide alkali salt and/or a half ester alkali salt of a succinic acid with a hydrocarbon substituent containing 8 to 30 carbon atoms. Another significant invention is a process for disproportionating rosin and poly-unsaturated fatty acids. This process is characterized by conducting the disproportionation reaction in the presence of a catalyst comprising at least one iodide, such as sodium iodide or potassium iodide, and at least one iron compound, including iron, iron oxides, iron hydroxides, and iron sulfides. The disproportionated product from this invention can be neutralized with an alkali to afford an emulsifier suitable for emulsion polymerization.

Career Highlights

Tatsumi Toshine is associated with Arakawa Kagaku Kogyo Kabushiki Kaisha, where he has been instrumental in advancing the company's research and development efforts. His work has contributed to the innovation of new chemical processes and products.

Collaborations

He has collaborated with notable coworkers, including Kohtaro Matsuo and Satoshi Kawamura, to further enhance the scope of their research and development projects.

Conclusion

Tatsumi Toshine's contributions to the field of chemistry through his patents and collaborative efforts highlight his role as an influential inventor. His work continues to impact the industry positively.