Wataru Ninomiya

Title: Wataru Ninomiya: Innovator in Catalytic Processes

Introduction

Wataru Ninomiya is a prominent inventor based in Otake, Japan. He has made significant contributions to the field of catalysis, holding a total of 14 patents. His work focuses on the development of catalysts and processes that enhance the production of ethylenically unsaturated carboxylic acids and esters.

Latest Patents

One of his latest patents involves a catalyst and a process for the production of ethylenically unsaturated carboxylic acids or esters. This invention discloses a catalyst that comprises a silica support, a modifier metal, and a catalytic alkali metal. The silica support features a multimodal pore size distribution, which includes a mesoporous pore size distribution with an average pore size ranging from 2 to 50 nm and a pore volume of at least 0.1 cm/g. Additionally, it has a macroporous pore size distribution with an average pore size of more than 50 nm and a pore volume of at least 0.1 cm/g. The level of catalytic alkali metal on the silica support is at least 2 mol %. The modifier metal can be selected from magnesium, boron, aluminum, titanium, zirconium, and hafnium. The invention also outlines methods for producing the catalyst and for preparing ethylenically unsaturated acids or esters in the presence of the catalyst.

Career Highlights

Throughout his career, Wataru Ninomiya has worked with notable companies, including Mitsubishi Rayon Company, Limited and Mitsubishi Chemical Corporation. His expertise in catalysis has positioned him as a key figure in the development of innovative chemical processes.

Collaborations

Wataru has collaborated with esteemed colleagues such as Toshiya Yasukawa and Ken Ooyachi, contributing to advancements in his field.

Conclusion

Wataru Ninomiya's contributions to catalysis and his innovative patents underscore his importance as an inventor in the chemical industry. His work continues to influence the production of essential chemical compounds.