Location History:
- Takamatsu, JP (1982 - 1984)
- Sakaide, JP (1998)
Company Filing History:
Years Active: 1982-1998
Title: The Innovative Contributions of Mineo Nakagawa
Introduction
Mineo Nakagawa is a notable inventor based in Takamatsu, Japan. He has made significant contributions to the field of chemical engineering, particularly in the preparation of hydrazine compounds. With a total of 3 patents to his name, Nakagawa's work has had a considerable impact on industrial processes.
Latest Patents
One of Nakagawa's latest patents is titled "Process for the preparation of tertiary butyl hydrazine hydrohalogenide." This invention outlines an industrially and economically advantageous method for producing tertiary butyl hydrazine hydrohalogenide (TBH-HX) using readily available and easy-to-handle starting materials, while maintaining a high yield. The process involves reacting a hydrazine hydrohalogenide with methyl tertiary butyl ether in the presence of an acid.
Another significant patent is "Process for preparation of tertiary butyl hydrazine." This patent discloses a method for preparing tertiary butyl hydrazine hydrohalogenide by reacting a hydrazine salt of a hydrohalogenic acid with tertiary butanol, along with a hydrazine dihydrohalogenide or a hydrogen halide. The process also includes neutralizing the formed tertiary butyl hydrazine hydrohalogenide with an alkali, distilling the neutralization product, and recovering free tertiary butyl hydrazine.
Career Highlights
Mineo Nakagawa is associated with Japan Hydrazine Co., Ltd., where he has been instrumental in advancing the company's research and development efforts. His innovative approaches have not only enhanced production efficiency but have also contributed to the overall growth of the company in the chemical industry.
Collaborations
Throughout his career, Nakagawa has collaborated with esteemed colleagues such as Yoichi Hasegawa and Syuji Hara. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.
Conclusion
Mineo Nakagawa's contributions to the field of chemical engineering, particularly through his patents, demonstrate his commitment to innovation and industrial advancement. His work continues to influence the preparation of hydrazine compounds, showcasing the importance of research and development in the chemical industry.