Location History:
- Nobeoka, JA (1976)
- Nobeoka, JP (1980)
Company Filing History:
Years Active: 1976-1980
Title: Hiroshi Takeuchi: Innovator in Chemical Processes
Introduction
Hiroshi Takeuchi is a notable inventor based in Nobeoka, Japan. He has made significant contributions to the field of chemical processes, holding a total of 4 patents. His work focuses on innovative methods for recovering heavy metal ions and producing high-purity terephthalic acid.
Latest Patents
Takeuchi's latest patents include a process for recovering heavy metal ions or heavy metal ions and halogen values from a solution comprising a lower aliphatic monocarboxylic acid. This process involves specific steps to efficiently extract valuable materials from solutions. Another significant patent is for an improved process for the production of high-purity terephthalic acid. This method utilizes a liquid phase oxidation reaction of para-xylene with molecular oxygen in the presence of a cobalt-manganese-bromine catalyst system. The process is characterized by its ability to produce high-quality terephthalic acid suitable for direct production of polyalkylene terephthalate without the need for intermediate preparation.
Career Highlights
Hiroshi Takeuchi is associated with Asahi Kasei Kogyo Kabushiki Kaisha, where he has contributed to various innovative projects. His expertise in chemical processes has positioned him as a key figure in the development of efficient production methods.
Collaborations
Takeuchi has worked alongside notable colleagues such as Masatoshi Tanouchi and Kazuki Ban. Their collaborative efforts have further advanced the research and development of chemical processes.
Conclusion
Hiroshi Takeuchi's contributions to the field of chemical processes through his patents and collaborations highlight his innovative spirit and dedication to advancing technology. His work continues to impact the industry positively.