Company Filing History:
Years Active: 1976
Title: Innovator Spotlight: Akira Kotone
Introduction
Akira Kotone is a notable inventor based in Nara, Japan, recognized for her contributions to the field of dye chemistry. With a total of two patents to her name, her work emphasizes innovation in the creation of safe and effective dye compounds.
Latest Patents
One of Akira Kotone's latest patents is for a trisazo dye containing a diphenylenesulfone structure. This polyazo dye is represented by a complex formula, wherein A denotes an optionally substituted aromatic ring, B indicates an aromatic ring with selected substituents such as amino or hydroxy, Y can take on various forms like hydrogen or amine salt, and specific conditions apply for n and the variables R¹ and R². This compound is significant for its application in dyeing fibers with hydroxyl and amide groups, proving to be non-carcinogenic.
Another noteworthy patent involves trisazo compounds that include a diphenyl-tetrazinyl component. Similar to her other patent, it exhibits a detailed structural formula comprising aromatic rings and specific substituents. This polyazo dye also demonstrates excellent utility in the dyeing process, enhancing the safety and effectiveness of colorants in various materials.
Career Highlights
Akira Kotone is currently employed at Sakai Chemical Industry Co., Ltd., where she continues to push the boundaries of dye technology. Her research and development efforts have positioned her as a key figure in the industry, focusing on creating dyes that are both functional and safe for use in consumer products.
Collaborations
Throughout her career, Akira has collaborated with esteemed colleagues, including Kenzo Konishi and Yoshihiko Nakane, further enriching her knowledge and expertise. These partnerships have contributed to her successful patent filings and advancements in dye chemistry.
Conclusion
Akira Kotone exemplifies innovation within the field of chemistry. Her patents not only highlight her creativity as an inventor but also address critical concerns regarding the safety of chemical compounds. As she continues her work at Sakai Chemical Industry Co., Ltd., her contributions will undoubtedly inspire future developments in the realm of dyes and materials.