This inventor holds 2 USPTO granted patents. Top assignee: Mitsubishi Chemical Corporation. Active years: 1996.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1996
Title: Innovations of Yukiko Tatsukawa in Aromatic Polycarbonate Production
Introduction
Yukiko Tatsukawa is a prominent inventor based in Mie, Japan. She has made significant contributions to the field of polymer chemistry, particularly in the production of aromatic polycarbonates. With a total of 2 patents, her work has advanced the understanding and application of these materials in various industries.
Latest Patents
Tatsukawa's latest patents focus on innovative processes for producing aromatic polycarbonate. The first patent describes a method that involves melt-polycondensing an aromatic diol compound with a diaryl carbonate compound in the presence of an interesterification catalyst. This catalyst comprises a quaternary phosphonium salt compound, which enhances the efficiency of the production process. The second patent outlines a process for producing aromatic polycarbonate with a weight average molecular weight ranging from 7,000 to 60,000. This method utilizes a combination of an alkali metal compound and a phosphonium hydroxide compound as catalysts, resulting in aromatic polycarbonates that exhibit improved heat resistance and hue.
Career Highlights
Yukiko Tatsukawa is affiliated with Mitsubishi Chemical Corporation, where she has been instrumental in advancing research and development in polymer technology. Her innovative approaches have positioned her as a key figure in her field, contributing to the company's reputation for excellence in chemical manufacturing.
Collaborations
Throughout her career, Tatsukawa has collaborated with notable colleagues, including Masami Hasegawa and Junji Takano. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and enhances the quality of research outcomes.
Conclusion
Yukiko Tatsukawa's contributions to the field of aromatic polycarbonate production exemplify her innovative spirit and dedication to advancing polymer chemistry. Her patents reflect a commitment to improving material properties and production processes, making her a valuable asset to the scientific community.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile