Company Filing History:
1 out of 1,714 
1 out of 5 Years Active: 2006
Title: **Hisae Soga: Innovator in Syndiotactic Styrene Polymers**
Introduction
Hisae Soga is a prominent inventor based in Chiba, Japan, recognized for her innovative contributions in the field of polymer science. With a keen focus on syndiotactic styrene polymers, her work has opened new avenues in polymer production and applications.
Latest Patents
Hisae Soga holds a patent for "Syndiotactic Styrene Polymers and Process for the Production Thereof." This invention details a syndiotactic styrenic polymer characterized by a narrow molecular weight distribution. The polymer comprises at least one structural unit represented by a specific formula, where a phenyl group exhibits a tacticity of 30% or more as determined by C-NMR. The patent also encompasses a block copolymer that includes the above polymer as one segment and a block graft polymer modified with a nitrogen-containing aromatic polymer. Additionally, it outlines a process for preparing the syndiotactic styrenic polymer through the polymerization of a styrenic monomer in the presence of a catalyst formed from a transition metal compound and organic aluminum oxy compounds.
Career Highlights
Throughout her career, Hisae Soga has made significant strides in research and development. She has worked at renowned institutions, including the National Institute of Advanced Industrial Science and Technology and the Japan Chemical Innovation Institute. Her experience in these organizations has greatly contributed to her expertise in polymer chemistry.
Collaborations
Soga has collaborated with esteemed colleagues such as Masanao Kawabe and Masahide Murata, enhancing the quality and impact of her research. These collaborations have played a vital role in advancing the understanding of syndiotactic polymers and their practical applications.
Conclusion
Hisae Soga's innovative work in syndiotactic styrene polymers illustrates her dedication to advancing the field of polymer science. Her patent underscores the significant potential of her research, paving the way for future developments in materials science and engineering.