This inventor holds 3 USPTO granted patents. Top assignee: Asahi Kasei Kogyo Kabushiki Kaisha. Active years: 1977-1981.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Nebeoka, JA (1977)
- Nobeoka, JP (1979)
- Hyuga, JP (1981)
Company Filing History:
Years Active: 1977-1981
Title: Sojiro Matsumoto: Innovator in Polyisocyanate Production
Introduction
Sojiro Matsumoto is a notable inventor based in Nobeoka, Japan. He has made significant contributions to the field of chemical engineering, particularly in the production of polyisocyanates. With a total of 3 patents to his name, Matsumoto's work has had a considerable impact on the industry.
Latest Patents
Matsumoto's latest patents include a process for the continuous production of polyisocyanate. This innovative method involves reacting an organic diisocyanate with an adduct-producing agent that reacts with an isocyanato group to form an intermediate product with a urea bond. The initial stage of the reaction is performed in one or two continuous complete mixing type reactors until the amount of gas generated reaches at least about 80% of the total gas to be produced during the entire reaction. The subsequent stage is carried out in a plug flow reactor. Another significant patent involves the reaction of organic diisocyanates with water. This process produces an organic polyisocyanate with a long storage life by reacting an aliphatic, alicyclic, or araliphatic diisocyanate monomer with water in the presence of a solvent that includes a mixture of ethylene glycol derivatives.
Career Highlights
Sojiro Matsumoto is currently associated with Asahi Kasei Kogyo Kabushiki Kaisha, a leading company in the chemical industry. His work has been instrumental in advancing the production techniques of polyisocyanates, which are essential in various applications, including foams and coatings.
Collaborations
Matsumoto has collaborated with notable colleagues such as Akira Ide and Kazurou Komatsu. Their combined expertise has contributed to the successful development of innovative processes in their field.
Conclusion
Sojiro Matsumoto's contributions to the field of polyisocyanate production highlight his role as a key innovator in chemical engineering. His patents reflect a commitment to advancing technology and improving industrial processes.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile