Company Filing History:
Years Active: 1997
Title: Norio Nagano – Innovator in Fluorene Derivatives
Introduction
Norio Nagano, based in Osaka, Japan, is a notable inventor recognized for his contributions to the field of chemistry. With a focus on the development of fluorene derivatives, he has made significant strides in the methods of preparation and purification of these valuable compounds.
Latest Patents
Norio Nagano holds one patent which revolves around a method for preparing a fluorene derivative. His patent details the process of reacting fluorenone with phenoxyethanol in the presence of a sulfuric acid-thiol catalyst system. The innovative technique allows for the production of a high-purity fluorene derivative by dissolving the reaction mixture in a lower aliphatic alcohol and subsequently adding water to precipitate 9,9-bis(4-(2-hydroxyethoxy)phenyl)fluorene. The method not only ensures a commercially viable yield but also emphasizes high efficiency and reduced production time.
Career Highlights
Norio Nagano's career is distinguished by his role at Osaka Gas Company Limited, where he has contributed his expertise and creativity to the field. His work has reinforced the importance of innovation in the chemical industry, particularly in the production of high-purity compounds.
Collaborations
Throughout his career, Nagano has collaborated with esteemed coworkers such as Mitsuaki Yamada and Katsuhide Okimi. These partnerships underscore the collaborative nature of scientific research and the importance of teamwork in achieving innovative outcomes.
Conclusion
Norio Nagano stands out as a dedicated inventor with a keen focus on fluorene derivatives. His groundbreaking patent exemplifies his commitment to advancing chemical manufacturing processes, paving the way for future innovations in the industry. His contributions at Osaka Gas Company Limited continue to inspire new developments in the field of chemistry.