Ken Ishihara

Title: Ken Ishihara: Innovator in Chemical Production

Introduction

Ken Ishihara 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.

Latest Patents

One of Ken Ishihara's key patents is the production method of 4'-bromomethyl-2-cyanobiphenyl. This invention involves reacting 4'-methyl-2-cyanobiphenyl with bromine in the presence of a radical initiator and an oxidant. The innovative aspect of this method is that it allows for the regeneration of bromine by reacting hydrogen bromide, which is a by-product of the bromination process, with an oxidant. This approach effectively prevents issues such as the inhibition of bromination by hydrogen bromide and the unwanted coloring caused by bromine. As a result, 4'-bromomethyl-2-cyanobiphenyl can be produced in a manner that is industrially beneficial and useful as a starting material for pharmaceutical products. Ken Ishihara holds 1 patent.

Career Highlights

Ken Ishihara is associated with Sumitomo Chemical Company, Limited, where he has been able to apply his expertise in chemical production. His work has contributed to advancements in the industry, particularly in the synthesis of important chemical compounds.

Collaborations

Throughout his career, Ken Ishihara has collaborated with notable colleagues such as Seiji Yamada and Toshio Nakamatsu. These collaborations have fostered innovation and have led to the development of effective chemical production methods.

Conclusion

Ken Ishihara's contributions to the field of chemical production exemplify the importance of innovation in developing efficient methods for creating valuable chemical compounds. His work continues to impact the pharmaceutical industry positively.