Tomoyuki Okazawa

Title: The Innovations of Tomoyuki Okazawa

Introduction

Tomoyuki Okazawa is a notable inventor based in Yokkaichi, Japan. He has made significant contributions to the field of polymer chemistry, particularly with his work on maleic anhydride copolymers. His innovative approach has led to advancements that are beneficial in various industrial applications.

Latest Patents

Okazawa holds a patent for a maleic anhydride copolymer. This copolymer comprises maleic anhydride units, conjugated diene units, and aliphatic monoolefin units. The copolymer has a weight-average molecular weight ranging from 500 to 50,000. The molar ratio of unit (I) to the sum of units (II) and (III) ranges from 30/70 to 90/10, while the molar ratio of unit (II) to unit (III) ranges from 5/95 to 90/10. Additionally, a hydrolyzed product of the copolymer or a water-soluble maleic acid copolymer is provided. This hydrolyzed product is particularly useful as a scale inhibitor, dispersant for calcium carbonate, or as an admixture for cement and concrete.

Career Highlights

Tomoyuki Okazawa is associated with Tosoh Corporation, where he has been able to apply his expertise in polymer chemistry. His work has not only contributed to the company's portfolio but has also enhanced the understanding of copolymer applications in various industries.

Collaborations

Okazawa has collaborated with notable colleagues such as Yoshiaki Kano and Seiichi Tokumaru. These collaborations have fostered a productive environment for innovation and development within the field of polymer science.

Conclusion

Tomoyuki Okazawa's contributions to the field of polymer chemistry, particularly through his patent on maleic anhydride copolymers, highlight his role as an influential inventor. His work continues to impact various industrial applications positively.