This inventor holds 4 USPTO granted patents. Top assignee: Chisso Corporation. Active years: 1976-1983.
Location History:
- Ichiharashi, JA (1976)
- Yokohamashi, JA (1977)
- Yokohama, JP (1978)
- Ichiharashi, JP (1983)
Company Filing History:
Years Active: 1976-1983
Title: Innovations of Atsuyuki Kachi in Polymer Production
Introduction
Atsuyuki Kachi is a notable inventor based in Ichiharashi, Japan. He has made significant contributions to the field of polymer production, particularly in the development of methods for producing alpha-olefin polymers. With a total of 4 patents to his name, Kachi's work has advanced the efficiency and quality of polymer manufacturing.
Latest Patents
Kachi's latest patents include a method for producing alpha-olefin polymers. This innovative method provides products with superior properties, such as higher bulk density and a uniform particle form that closely resembles a sphere. The process boasts an extremely high catalyst efficiency, allowing for the omission of the ash-removal step without the risk of discoloration. The key aspect of this method lies in the improvement of conventional catalysts, which are created by reacting a trivalent metal halide with a divalent metal hydroxide, oxide, or carbonate. This results in a solid product that is further processed to enhance its effectiveness in polymerization.
Another significant patent by Kachi involves the production of polymers of alpha-olefin, including polyethylene and polypropylene. This process utilizes a catalyst obtained by mill-mixing metal oxides with a trivalent metal halide, followed by a reaction with a transition metal compound in the presence of an aromatic compound. The catalyst demonstrates excellent utilization efficiency of the transition metal compound during polymerization, ensuring that no polymer film forms on the walls of the polymerization vessel.
Career Highlights
Kachi is currently associated with Chisso Corporation, where he continues to innovate in the field of polymer chemistry. His work has not only contributed to the advancement of polymer production techniques but has also positioned him as a key figure in the industry.
Collaborations
Throughout his career, Kachi has collaborated with notable colleagues, including Hiroshi Shimizu and Akihiro Sato. These partnerships have further enriched his research and development efforts in polymer technology.
Conclusion
Atsuyuki Kachi's contributions to the field of polymer production through his innovative methods and patents have significantly impacted the industry. His work exemplifies the importance of research and development in advancing manufacturing processes.