Katuhiko Okamoto

Title: Katuhiko Okamoto: Innovator in Reactive Dye Production

Introduction

Katuhiko Okamoto is a notable inventor based in Kyoto, 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, Okamoto's work has had a substantial impact on the industry.

Latest Patents

Okamoto's latest patents focus on innovative 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 in the molecule. This compound is useful as a reactive dye for dyeing cellulose fiber materials or as an intermediate for the production of such reactive dyes. The process involves the esterification of a compound with at least one --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. This method allows for the industrial production of the compound in high yield and quality.

Career Highlights

Katuhiko Okamoto 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 the industry.

Collaborations

Okamoto has worked alongside notable colleagues such as Taira Fujita and Hiroyuki Nakagawa. Their collaborative efforts have contributed to advancements in chemical processes and product development.

Conclusion

Katuhiko Okamoto'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, showcasing the potential for advancements in chemical engineering.