Location History:
- Sodegaura, JP (1996)
- Fukuoka, JP (1999)
Company Filing History:
Years Active: 1996-1999
Title: Kenichi Nariyama: Innovator in Polymer Chemistry
Introduction
Kenichi Nariyama is a prominent inventor based in Sodegaura, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the production of ethylene-.alpha.-olefin copolymers and 5-vinyl-2-norbornene. With a total of two patents to his name, Nariyama's work has had a substantial impact on the industry.
Latest Patents
Nariyama's latest patents include a process for producing ethylene-.alpha.-olefin copolymers. This innovative process involves subjecting ethylene to an oligomerization reaction in the presence of a catalyst, resulting in a mixture that is distilled to obtain a product primarily composed of ethylene and .alpha.-olefin. The copolymerization of these components in a polymerization reactor leads to the creation of the desired copolymer.
Another notable patent is for the production of 5-vinyl-2-norbornene. This process entails thermal decomposition of a liquid raw material in the presence of an aromatic hydrocarbon solvent, followed by a series of distillation steps to isolate cyclopentadiene. The final product is achieved through a Diels Alder reaction with butadiene, resulting in a liquid reaction mixture rich in 5-vinyl-2-norbornene.
Career Highlights
Kenichi Nariyama is currently employed at Sumitomo Chemical Company, Limited, where he continues to advance his research in polymer chemistry. His work has been instrumental in developing new methods for producing valuable chemical compounds that are widely used in various applications.
Collaborations
Throughout his career, Nariyama has collaborated with notable colleagues, including Mitsuhisa Tamura and Kiyoshi Iwanaga. These partnerships have fostered innovation and contributed to the success of his research endeavors.
Conclusion
Kenichi Nariyama is a distinguished inventor whose contributions to polymer chemistry have led to significant advancements in the field. His innovative processes for producing ethylene-.alpha.-olefin copolymers and 5-vinyl-2-norbornene showcase his expertise and commitment to scientific progress.