This inventor holds 1 USPTO granted patent. Top assignee: Toyo Kasei Kogyo Company Limited. Active years: 1985.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1985
Title: Hiroshi Hatanaka: Innovator in Thioalkylene Glycol Production
Introduction
Hiroshi Hatanaka is a notable inventor based in Takasago, Japan. He has made significant contributions to the field of chemical engineering, particularly in the production of thioalkylene glycols. His innovative methods have paved the way for more efficient and economical production processes.
Latest Patents
Hatanaka holds a patent for a method for the production of thioalkylene glycols. This invention focuses on utilizing a reaction solvent primarily composed of thioalkylene glycol, which is the product of the reaction between alkylene oxide and hydrogen sulfide. The method does not require any special or inert solvents and employs an anion exchange resin as a catalyst. This approach allows for simple, economical, and high-yield production of thioalkylene glycols without the necessity of high pressure. For instance, thioethylene glycol can be obtained in a 91% yield from ethylene oxide and hydrogen sulfide using a mixture of thioethylene glycol and thiodiethylene glycol as the solvent. Similarly, thiopropylene glycol can be produced in a 95% yield from propylene oxide and hydrogen sulfide, and thio-.alpha.-butylene glycol can be obtained in a 94% yield from .alpha.-butylene oxide and hydrogen sulfide.
Career Highlights
Hiroshi Hatanaka is associated with Toyo Kasei Kogyo Company Limited, where he has been instrumental in advancing chemical production techniques. His work has not only contributed to the efficiency of production but has also enhanced the overall yield of valuable chemical compounds.
Collaborations
Hatanaka has collaborated with notable colleagues such as Kunihiro Shimamoto and Shinichiro Seki. Their combined expertise has further enriched the research and development efforts within their field.
Conclusion
Hiroshi Hatanaka's innovative methods for producing thioalkylene glycols represent a significant advancement in chemical engineering. His contributions continue to influence the industry, showcasing the importance of innovation in enhancing production efficiency and yield.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile