Company Filing History:
Years Active: 1998-1999
Title: **Kazuyuki Ishihara: Innovator in Chemical Engineering**
Introduction
Kazuyuki Ishihara, a notable inventor based in Toda, Japan, has made significant contributions to the field of chemical engineering. With a total of two patents to his name, Ishihara has focused on developing innovative compounds that promise advancements in material stabilization.
Latest Patents
Ishihara's latest patents include groundbreaking work on benzotriazolyl-alkylene bisphenol compounds. His process for preparing these compounds involves the reaction of a 2-hydroxyphenylbenzotriazole and a 2,4-substituted phenol with an aldehyde, utilizing a basic catalyst and an amine compound. His method not only achieves a high yield of these valuable compounds but also enables the effective stabilization of organic materials with them, in concentrations ranging from 0.01 to 10 percent by weight.
Another notable patent revolves around a process for preparing bis(2-hydroxyphenyl-3-benzotriazole) methanes. This involves reacting a 2-hydroxyphenylbenzotriazole with formaldehyde and an amino alcohol in an organic solvent, again in the presence of a basic catalyst. This innovative process ensures a high yield and efficient production of bis(2-hydroxyphenyl-3-benzotriazole) methanes.
Career Highlights
Kazuyuki Ishihara has been an integral part of Johoku Chemical Co., Ltd., where he has carried out research and development in advanced chemical processes. His work has been pivotal in enhancing the quality and stability of organic materials, which has applications in various industries.
Collaborations
Ishihara often collaborates with esteemed colleagues in his field, including Toshiyuki Yamauchi and Eisuke Kanagawa. These partnerships contribute to the innovative and cutting-edge research that pushes the boundaries of chemical engineering.
Conclusion
In summary, Kazuyuki Ishihara has established himself as a key inventor in the chemical industry. His patents reflect a deep understanding of chemical processes and material stabilization, showcasing his commitment to innovation and excellence. As he continues to work at Johoku Chemical Co., Ltd., the impact of his inventions will undoubtedly further the landscape of chemical development.