This inventor holds 2 USPTO granted patents. Top assignee: Sumitomo Chemical Company, Limited. Active years: 1979-1984.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1979-1984
Title: Innovations of Shojiro Itoh
Introduction
Shojiro Itoh is a notable inventor based in Niihama, Japan. He has made significant contributions to the field of chemical engineering, particularly in the development of vinyl chloride compositions and aromatic acyl chlorides. With a total of 2 patents to his name, Itoh's work has had a considerable impact on industrial applications.
Latest Patents
Itoh's latest patents include a vinyl chloride plastisol composition and a process for the preparation of aromatic acyl chloride. The vinyl chloride plastisol composition consists of 100 parts by weight of a vinyl chloride paste resin and 35 to 180 parts by weight of a plasticizer. This composition features a vinyl chloride paste resin with an average particle size of 0.5 to 10 microns, composed of 5 to 80% by weight of a tetrahydrofuran-insoluble micro-gel fraction and 20 to 95% by weight of a tetrahydrofuran-soluble fraction. His second patent describes a method for obtaining aromatic acyl chloride by reacting an aromatic carboxylic acid, phosphorus trichloride, and chlorine. This process includes treating the reaction mixture with agents like water and phosphorus compounds to convert by-produced phosphorus pentachloride into phosphorus oxychloride, followed by distillation to isolate the desired aromatic acyl chloride.
Career Highlights
Shojiro Itoh is currently associated with Sumitomo Chemical Company, Limited, where he continues to innovate and contribute to the field. His expertise in chemical processes has positioned him as a valuable asset within the company.
Collaborations
Itoh has collaborated with notable coworkers such as Masayuki Murashige and Toshio Igarashi, enhancing the collective knowledge and innovation within their projects.
Conclusion
Shojiro Itoh's contributions to the field of chemical engineering through his patents and work at Sumitomo Chemical Company, Limited, highlight his role as an influential inventor. His innovative approaches to vinyl chloride compositions and aromatic acyl chlorides demonstrate the importance of research and development in advancing industrial applications.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile