This inventor holds 1 USPTO granted patent. Top assignee: Asahi Kasei Kogyo Kabushiki Kaisha. Active years: 1988.
Company Filing History:
Years Active: 1988
Title: Yoshiro Unno: Innovator in Polyphenylene Ether Production
Introduction
Yoshiro Unno is a notable inventor based in Kimitsu, Japan. He has made significant contributions to the field of engineering plastics through his innovative methods. His work primarily focuses on the production of polyphenylene ether, a material widely used in various applications.
Latest Patents
Yoshiro Unno holds a patent for a novel method for producing polyphenylene ether. This method involves the reaction of a phenol compound with an oxidizing agent in a reaction medium, utilizing a highly active catalyst that includes at least one copper compound, one 1,3-diamine compound, and one halogen compound. The reaction medium also contains alcohols such as methanol or ethanol. This innovative approach allows for the efficient production of polyphenylene ether with desirable color and improved Izod impact strength when combined with rubber-reinforced polystyrene.
Career Highlights
Yoshiro Unno is associated with Asahi Kasei Kogyo Kabushiki Kaisha, a leading company in the chemical industry. His work has contributed to advancements in engineering plastics, making them more efficient and effective for various applications.
Collaborations
Yoshiro has collaborated with notable coworkers, including Sadao Ibe and Tokio Sakurai. Their combined expertise has further enhanced the development of innovative solutions in the field.
Conclusion
Yoshiro Unno's contributions to the production of polyphenylene ether highlight his role as an innovator in engineering plastics. His patented method showcases the potential for advancements in material science, benefiting various industries.