Location History:
- Joyo, JP (1986)
- Jyoyo, JP (1988 - 1992)
Company Filing History:
Years Active: 1986-1992
Title: Hiroshi Manami: Innovator in Chemical Processes
Introduction
Hiroshi Manami is a notable inventor based in Jyoyo, Japan. He has made significant contributions to the field of chemical processes, holding a total of 4 patents. His work focuses on the preparation and purification of diphenyl sulfonetetracarboxylic acid, showcasing his expertise in chemical engineering.
Latest Patents
Hiroshi's latest patents include a process for preparing diphenyl sulfonetetracarboxylic acid. This innovative process involves oxidizing a tetramethyldiphenyl sulfone with oxygen or an oxygen-containing gas in an aliphatic monocarboxylic acid, utilizing a catalyst that consists of cobalt, manganese, and a bromine compound. The weight ratio of manganese to cobalt is carefully controlled to optimize the reaction. Another significant patent is a method for purifying a crude diphenylsulfone tetracarboxylic acid. This method includes dissolving the crude acid in a solvent mixture of water and acetic acid, followed by recrystallization to achieve a highly purified product.
Career Highlights
Hiroshi Manami is currently employed at New Japan Chemical Co., Ltd., where he continues to advance his research and development in chemical processes. His work has not only contributed to the scientific community but has also had practical applications in various industries.
Collaborations
Hiroshi has collaborated with notable coworkers, including Mikio Nakazawa and Shigeo Miki. Their combined expertise has fostered innovation and progress in their respective fields.
Conclusion
Hiroshi Manami's contributions to the field of chemical processes are commendable. His innovative patents and collaborative efforts highlight his dedication to advancing chemical engineering. His work continues to impact the industry positively.