This inventor holds 3 USPTO granted patents. Top assignee: Shin-Etsu Chemical Co., Ltd.. Active years: 1990-1992.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Ibaragi, JP (1990)
- Ibaraki, JP (1992)
Company Filing History:
Years Active: 1990-1992
Title: Kouzou Kuwabara: Innovator in Polyvinyl Chloride Technology
Introduction
Kouzou Kuwabara is a notable inventor based in Ibaraki, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the development of advanced polyvinyl chloride (PVC) materials. With a total of 3 patents to his name, Kuwabara's work has had a lasting impact on the industry.
Latest Patents
Kuwabara's latest patents include innovative methods for enhancing the properties of PVC. One of his notable inventions is a method for the preparation of a copolymer of vinyl chloride and an N-substituted maleimide compound. This method allows for the creation of a highly heat-resistant and thermally stable PVC resin without compromising the inherent excellent properties of traditional PVC resins. The copolymerization process involves suspension-copolymerizing the monomer mixture in an aqueous medium containing a specific combination of three different polymers.
Another significant patent focuses on reducing foaming in a vinyl chloride polymerization reactor. This method efficiently minimizes foaming during the suspension polymerization of vinyl chloride monomer in an aqueous medium. By incorporating specific additives, Kuwabara's approach improves the bulk density and particle size distribution of the resultant PVC resin product, while also preventing polymer scale deposition on reactor walls.
Career Highlights
Kuwabara is currently associated with Shin-Etsu Chemical Co., Ltd., a leading company in the chemical industry. His work at Shin-Etsu has allowed him to explore and develop innovative solutions in polymer technology. His contributions have not only advanced the company's product offerings but have also set new standards in the industry.
Collaborations
Throughout his career, Kuwabara has collaborated with esteemed colleagues such as Shigehiro Hoshida and Junichi Watanabe. These collaborations have fostered a creative environment that encourages innovation and the sharing of ideas.
Conclusion
Kouzou Kuwabara's contributions to the field of polymer chemistry, particularly in the development of advanced PVC materials, highlight his role as a significant inventor. His innovative patents and work at Shin-Etsu Chemical Co., Ltd. continue to influence the industry positively.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile