This inventor holds 8 USPTO granted patents. Top assignees: Mitsubishi Chemical Corporation, Mitsubishi Petrochemical Company Limited. Active years: 1992-2006.
Location History:
- Yokkaichi, JP (1994 - 2000)
- Mie, JP (1992 - 2006)
Company Filing History:
6 out of 2,422 
2 out of 546 Years Active: 1992-2006
Title: Norioki Mine: Innovator in Chemical Processes
Introduction
Norioki Mine is a prominent inventor based in Yokkaichi, Japan. He has made significant contributions to the field of chemical engineering, particularly in the production of refined ethylene sulfite and (meth)acrylic acid esters. With a total of 8 patents to his name, Mine's work has had a notable impact on the industry.
Latest Patents
One of Mine's latest patents is a method for producing refined ethylene sulfite. This refined ethylene sulfite exhibits excellent storage stability when used as a constituent of an electrolyte. The method involves reacting ethylene glycol and thionyl chloride to produce raw ethylene sulfite, followed by a rectifying step and a refining process. The refining process includes various techniques such as washing, dehydration by total reflux distillation, and absorption. The refined ethylene sulfite produced contains chloroethanol in an amount of not more than 1000 ppm. Another significant patent is a method for preparing (meth)acrylic acid esters. This method involves reacting (meth)acrylic acid with a C1-3 alcohol in the presence of a strongly acidic ion exchange resin as a catalyst. The reaction is conducted under reduced pressure, improving the esterification yield while minimizing by-product formation.
Career Highlights
Throughout his career, Norioki Mine has worked with notable companies such as Mitsubishi Chemical Corporation and Mitsubishi Petrochemical Company Limited. His experience in these organizations has allowed him to refine his skills and contribute to innovative chemical processes.
Collaborations
Mine has collaborated with esteemed colleagues, including Masahiko Yamagishi and Chikara Sugimoto. These partnerships have fostered a creative environment that has led to advancements in their respective fields.
Conclusion
Norioki Mine's contributions to chemical engineering through his patents and collaborations highlight his role as an influential inventor. His innovative methods continue to shape the industry and pave the way for future advancements.