Company Filing History:
Years Active: 1980
Title: Hideo Sawada: Innovator in Chlorinated Copper Phthalocyanine Production
Introduction
Hideo Sawada is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of chemical engineering, particularly in the production of highly chlorinated copper phthalocyanine. His innovative approach has led to advancements in the synthesis of this important compound.
Latest Patents
Hideo Sawada holds a patent for a process that produces highly chlorinated copper phthalocyanine. This process involves charging chlorine under an elevated pressure of 1 to 20 Kg/cm² (gauge) into a solution of copper phthalocyanine. The reaction occurs in the presence of pyrosulfuryl chloride and a catalyst of sulfur or sulfur chloride. Additionally, pyrosulfuryl chloride can be formed by reacting chlorosulfonic acid with chlorine and sulfur or sulfur chloride under elevated pressure. To enhance the chlorination process, an auxiliary catalyst such as iodine, iodine chloride, or a metal chloride can be incorporated.
Career Highlights
Hideo Sawada is associated with Kawasaki Kasei Chemicals Ltd., where he has been instrumental in developing innovative chemical processes. His work has not only contributed to the company's success but has also advanced the field of chemical manufacturing.
Collaborations
Hideo has collaborated with notable coworkers, including Ryo Matsuura and Tomio Segawa. Their combined expertise has fostered a productive environment for innovation and development within their projects.
Conclusion
Hideo Sawada's contributions to the production of highly chlorinated copper phthalocyanine exemplify his innovative spirit and dedication to advancing chemical engineering. His work continues to influence the industry and inspire future innovations.