Location History:
- Tokyo, JA (1976 - 1977)
- Tokyo, JP (1981)
Company Filing History:
Years Active: 1976-1981
Title: Isamu Kadoya: Innovator in Polymer Chemistry
Introduction
Isamu Kadoya is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the development of stabilizers for vinyl chloride resin and methods for manufacturing sulfated cellulose. With a total of four patents to his name, Kadoya's work has had a lasting impact on various industries.
Latest Patents
Kadoya's latest patents include a stabilizer for vinyl chloride resin, which utilizes a metallic salt of a fatty acid. This stabilizer is characterized by a specific formula where two of R1, R2, and R3 are alkyls, while the remaining one can be either alkyl or hydrogen. The total number of carbon atoms in R1, R2, and R3 ranges from 18 to 26. Another significant patent is a method of manufacturing sulfated cellulose. This method employs Lewis base-SO3 complexes as a sulfating agent and involves thermally activating cellulose prior to sulfation in tertiary amines or a mixture of tertiary amines and amine hydrochlorides. This innovative approach allows alkali metal salts of cellulose sulfate to be effectively used as a binder for dentifrice compositions.
Career Highlights
Throughout his career, Kadoya has worked with prominent companies such as Lion Fat and Oil Co. Ltd. and Lion Corporation. His experience in these organizations has contributed to his expertise in polymer chemistry and innovation.
Collaborations
Kadoya has collaborated with notable individuals in his field, including Hiroshi Isa and Takeo Inagaki. These collaborations have likely enriched his research and development efforts.
Conclusion
Isamu Kadoya's contributions to polymer chemistry through his patents and collaborations highlight his role as an influential inventor. His work continues to inspire advancements in the industry.