Location History:
- Iwaki, JP (1981)
- Tokyo, JP (1989)
Company Filing History:
Years Active: 1981-1989
Title: Masashi Ohtsuru: Innovator in Chemical Processes
Introduction
Masashi Ohtsuru is a notable inventor based in Iwaki, Japan. He has made significant contributions to the field of chemical processes, holding a total of 2 patents. His work focuses on the production of valuable chemical compounds that have various applications in industries such as pharmaceuticals and agriculture.
Latest Patents
Ohtsuru's latest patents include a process for producing 2,5-dichlorotoluene. This process is particularly useful as a monomer for heat-resistant polymers and as an intermediate raw material for medicines, agricultural chemicals, and various organic synthetic substances. The method involves chlorinating 4-t-alkyltoluene or 4-isopropyltoluene in the presence of a catalyst, resulting in a 2,5-dichlorocompound. This compound is then subjected to transalkylation with toluene, also in the presence of a catalyst, achieving high selectivity and yield.
Another significant patent by Ohtsuru is related to novel N-benzoyl-N'-halogenoalkylidenehydrazine derivatives. These derivatives are characterized by a specific general formula, where X represents Cl or Br, and Y can be various elements or groups, provided certain conditions are met. This innovation adds to the repertoire of chemical compounds available for various applications.
Career Highlights
Masashi Ohtsuru is associated with Kureha Kagaku Kogyo Kabushiki Kaisha, a company known for its advancements in chemical manufacturing. His work at this institution has allowed him to explore and develop innovative chemical processes that contribute to the industry.
Collaborations
Ohtsuru has collaborated with notable coworkers such as Toshio Hozumi and Katsumichi Aoki. These collaborations have likely enhanced the scope and impact of his inventions, fostering a creative environment for innovation.
Conclusion
Masashi Ohtsuru's contributions to chemical processes exemplify the importance of innovation in the field. His patents not only advance scientific knowledge but also provide practical solutions for various industries. His work continues to influence the development of new chemical compounds and processes.