Company Filing History:
Years Active: 2005
Title: Seiji Yamada: Innovator in Chemical Production Methods
Introduction
Seiji Yamada is a notable inventor based in Kurashiki, Japan. He has made significant contributions to the field of chemical production, particularly in the development of methods that enhance the efficiency and effectiveness of chemical reactions. His work is recognized for its industrial applicability and potential benefits to pharmaceutical manufacturing.
Latest Patents
Yamada holds a patent for the production method of 4'-bromomethyl-2-cyanobiphenyl. This innovative method involves reacting 4'-methyl-2-cyanobiphenyl with bromine in the presence of a radical initiator and an oxidant. The process is designed to regenerate bromine by reacting hydrogen bromide, a by-product of bromination, with an oxidant. This approach effectively prevents issues such as inhibition of bromination and unwanted coloring, making it a valuable method for producing 4'-bromomethyl-2-cyanobiphenyl, which is useful as a starting material for pharmaceutical products.
Career Highlights
Seiji Yamada is associated with Sumitomo Chemical Company, Limited, where he has been able to apply his expertise in chemical production. His innovative methods have contributed to advancements in the industry, showcasing his commitment to improving production processes.
Collaborations
Yamada has worked alongside notable colleagues such as Ken Ishihara and Toshio Nakamatsu. Their collaborative efforts have likely played a role in the successful development of his patented methods.
Conclusion
Seiji Yamada's contributions to chemical production methods exemplify the importance of innovation in the pharmaceutical industry. His patented method for producing 4'-bromomethyl-2-cyanobiphenyl highlights his role as a key inventor in this field.