Location History:
- Okazaki, JP (1987)
- Aichi, JP (1990 - 1991)
Company Filing History:
Years Active: 1987-1991
Title: **Inventor Keizo Tsujimoto: Pioneering Innovations in Flame Resistant Polyester**
Introduction
Keizo Tsujimoto is a notable inventor based in Aichi, Japan, recognized for his significant contributions to the field of flame-resistant materials. With a total of three patents to his name, Tsujimoto has dedicated his career to developing innovative solutions that enhance safety and functionality in various applications.
Latest Patents
Tsujimoto's latest inventions are primarily focused on flame-resistant polyester. His first patent describes a method for producing a flame-resistant polyester through the addition and copolymerization of a phosphorus compound. This unique polyester is characterized by having alkylene terephthalate units as its main repeating units, achieving an intrinsic viscosity of no less than 0.5 at 20°C in a mixture of phenol and tetrachloroethane. The formula includes specific aromatic groups and integer values for m and n, which are critical to its structure.
His second patent outlines a process for producing a polyester where pendent phosphorus atoms are integrated into the main chain, improving its flame resistance and maintaining a high intrinsic viscosity. This groundbreaking process involves preliminarily copolymerizing a polyester with a specific unsaturated compound, before reacting it with a phosphorus compound that has a P-H bond. Both patents highlight Tsujimoto's innovative approach to enhancing the flame resilience of polyester materials.
Career Highlights
Keizo Tsujimoto has achieved a commendable career at Nippon Ester Co., Ltd., where his work has significantly impacted the field of polymer chemistry. His dedication to research and development is evident in the advancements he has made, helping to set new standards for safety in materials utilized across various industries.
Collaborations
Throughout his career, Tsujimoto has collaborated with notable colleagues, including Tetsuo Matsumoto and Takayuki Imamura. Their teamwork has fostered an environment ripe for innovation, allowing them to push the boundaries of material science together and achieve remarkable results in their respective projects.
Conclusion
In summary, Keizo Tsujimoto's pioneering work in the development of flame-resistant polyester exemplifies his role as an innovator in material science. With a robust portfolio of patents and collaborative efforts with esteemed colleagues, he continues to shape the future of safety and functionality in polymers. His contributions not only enhance the properties of materials but also safeguard users and promote advancements in various applications.