Kisaburou Shimizu

Title: Innovations of Kisaburou Shimizu

Introduction

Kisaburou Shimizu is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of chemical engineering, particularly in the development of fixing agents for polyamide fibers. His work has led to advancements that improve the fastness properties of dyeings, which are crucial in various textile applications.

Latest Patents

Kisaburou Shimizu holds 2 patents. His latest patents include a condensation product of 4,4'-dihydroxydiphenyl sulfone, which serves as a fixing agent for enhancing the fastness properties of dyeings on polyamide fibers. This innovative product has a mean molecular weight ranging from about 5,000 to about 30,000 and a specific ratio of carbon atom content to sulfur atom content. When polyamide fibers are treated with this condensation product or its metal salt at elevated temperatures, the wet-fastness properties of the dyeings are remarkably improved.

Career Highlights

Kisaburou Shimizu is associated with Dainippon Pharmaceutical Company, Limited, where he has been instrumental in research and development. His expertise in chemical compounds and their applications has positioned him as a key figure in his field.

Collaborations

Throughout his career, Kisaburou has collaborated with notable coworkers, including Akio Kobayashi and Yoshiyuki Shimohiro. These collaborations have fostered innovation and have contributed to the successful development of his patented technologies.

Conclusion

Kisaburou Shimizu's contributions to the field of chemical engineering, particularly in the textile industry, highlight his innovative spirit and dedication to improving material properties. His work continues to influence advancements in dyeing technologies.