This inventor holds 3 USPTO granted patents and 3 EPO patents. Top assignee: Tosoh Finechem Corporation. Active years: 2013-2016.
Location History:
- Yamaguchi, JP (2015)
- Shunan, JP (2013 - 2016)
Company Filing History:
Years Active: 2013-2016
Title: Etsuo Yoshioka: Innovator in Polymethylaluminoxane Technology
Introduction
Etsuo Yoshioka is a prominent inventor based in Shunan, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the development of solid polymethylaluminoxane compositions. With a total of 3 patents to his name, Yoshioka's work has advanced the efficiency of olefin polymerization processes.
Latest Patents
Yoshioka's latest patents include a method for manufacturing a small particle diameter product of solid polymethylaluminoxane composition. This innovative composition features uniform particle diameters of fine particles measuring less than 5 μm. It is designed to polymerize olefins with high activity without the need for silica. The solid polymethylaluminoxane composition has an aluminum content ranging from 36 mass % to 43 mass % and a mole fraction of methyl groups derived from trimethylaluminum moieties of 12 mol % or less. Additionally, he has developed a solid support-polymethylaluminoxane complex that exhibits higher polymerization activity than conventional substances. This complex is produced using a method that ensures a homogeneous coating layer containing polymethylaluminoxane and trimethylaluminum on a solid support.
Career Highlights
Yoshioka is currently employed at Tosoh Finechem Corporation, where he continues to innovate in the field of polymer chemistry. His work has not only contributed to advancements in polymerization catalysts but has also improved the quality of olefin-based polymers.
Collaborations
Yoshioka collaborates with Eiichi Kaji, a fellow innovator in the field. Their combined expertise has led to significant advancements in the development of polymerization technologies.
Conclusion
Etsuo Yoshioka's contributions to the field of polymer chemistry, particularly through his patents on polymethylaluminoxane compositions, have made a lasting impact on the industry. His work continues to influence the efficiency and effectiveness of polymerization processes.