Shigeru Wada

Title: Shigeru Wada: Innovator in Olefin Polymerization

Introduction

Shigeru Wada is a notable inventor based in Ohtake, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the polymerization of olefins. With a total of 3 patents to his name, Wada's work has had a considerable impact on the industry.

Latest Patents

Wada's latest patents focus on an improved process for the polymerization of olefins. This process involves a catalyst composition that includes a titanium trichloride composition obtained by micro-pulverizing a titanium trichloride component. This component is prepared by reducing titanium tetrachloride with hydrogen, silicon, metallic titanium, or metallic aluminum, in the presence of a complex of aluminum chloride or aluminum bromide. The complex is combined with electron-donors such as oxygen-containing, nitrogen-containing, or phosphorus-containing organic compounds. The extraction of the micro-pulverized titanium trichloride component is done using specific solvents. Additionally, an organoaluminum compound is utilized in the catalyst.

Career Highlights

Shigeru Wada is currently employed at Mitsui Petrochemical Industries, Ltd. His work at this company has allowed him to develop innovative processes that enhance the efficiency of olefin polymerization. His expertise in this area has positioned him as a key figure in the field.

Collaborations

Wada has collaborated with notable coworkers such as Norio Matsuzawa and Hidesaburo Oi. These collaborations have contributed to the advancement of his research and the successful development of his patented processes.

Conclusion

Shigeru Wada's contributions to the field of polymer chemistry, particularly in olefin polymerization, highlight his innovative spirit and dedication to advancing technology. His patents reflect a deep understanding of chemical processes and a commitment to improving industrial applications.