Mikio Sugihara

Title: Mikio Sugihara: Innovator in Reactive Dye Production

Introduction

Mikio Sugihara is a notable inventor based in Takatsuki, Japan. He has made significant contributions to the field of chemical engineering, particularly in the production of reactive dyes. With a total of 2 patents to his name, Sugihara's work has had a considerable impact on the industry.

Latest Patents

Sugihara's latest patents focus on processes for the production of sulfuric acid semiesters. One of his patents describes a method for producing a compound that contains at least one --SO.sub.2 CH.sub.2 CH.sub.2 OSO.sub.3 M group, where M can be hydrogen or an alkali metal. This compound is useful as a reactive dye for dyeing cellulose fiber materials or as an intermediate in the production of such dyes. The process involves the esterification of a compound with a --SO.sub.2 CH.sub.2 CH.sub.2 OH group using a sulfuric acid-esterifying agent in the presence of a water-insoluble organic solvent and a secondary or tertiary amine.

Career Highlights

Mikio Sugihara is currently employed at Sumitomo Chemical Company, Limited, where he continues to innovate in the field of chemical production. His expertise in reactive dyes has positioned him as a key figure in his company and the industry at large.

Collaborations

Sugihara has worked alongside notable colleagues such as Taira Fujita and Hiroyuki Nakagawa. Their collaborative efforts have contributed to advancements in the production processes of chemical compounds.

Conclusion

Mikio Sugihara's contributions to the field of reactive dye production through his innovative patents highlight his importance as an inventor. His work continues to influence the industry and pave the way for future advancements.