This inventor holds 2 USPTO granted patents. Top assignee: Mitsui Toatsu Chemicals, Incorporated. Active years: 1976-1982.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Okazaki, JA (1976)
- Okazaki, JP (1982)
Company Filing History:
Years Active: 1976-1982
Title: Toshio Itakura: Innovator in Chemical Processes
Introduction
Toshio Itakura is a notable inventor based in Okazaki, Japan. He has made significant contributions to the field of chemical engineering, particularly in the production of phenolic resins and unsaturated dimers. With a total of 2 patents, his work has implications for various industrial applications.
Latest Patents
Itakura's latest patents include a process for the production of phenolic resin from bisphenol-A by-products. This innovative process involves condensing a phenol component and an aldehyde component, utilizing high-molecular-weight phenolic compounds left after the production of bisphenol A. The method requires treating these compounds at a high temperature of at least 150°C in the presence of an alkaline catalyst to remove low-boiling components. Another significant patent is for the preparation of unsaturated dimers, specifically those containing 2,4-diphenyl-4-methyl-1-pentene as the main component. This process involves reacting α-methylstyrene at temperatures ranging from 20°C to 100°C, using a sulfonic acid type cation-exchange resin catalyst along with a primary or secondary monohydric alcohol. The resulting unsaturated dimers serve as effective molecular weight modifiers in the production of various polymers.
Career Highlights
Toshio Itakura is currently associated with Mitsui Toatsu Chemicals, Incorporated, where he continues to innovate in chemical processes. His expertise in the field has led to advancements that enhance the efficiency and effectiveness of chemical production methods.
Collaborations
Itakura has collaborated with notable colleagues such as Yoshiro Shimizu and Mitsuhiro Iwasa. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.
Conclusion
Toshio Itakura's contributions to chemical engineering through his patents and collaborations highlight his role as a significant inventor in the industry. His work continues to influence the production processes of essential chemical compounds.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile