Company Filing History:
Years Active: 1998-2010
Title: Tsutomu Onodera: Innovator in Propylene Polymer Technology
Introduction
Tsutomu Onodera is a notable inventor based in Ichihara, Japan. He has made significant contributions to the field of polymer technology, particularly in the development of propylene-based polymers. With a total of 4 patents to his name, Onodera's work has had a substantial impact on the industry.
Latest Patents
Onodera's latest patents include innovative processes and compositions that enhance the properties of propylene polymers. One of his key inventions is a multi-stage propylene polymer, which consists of two main components. Component (A) includes 5 to 20 wt % of a propylene homopolymer or a copolymer of propylene and an α-olefin with 2 to 8 carbon atoms. This component has an intrinsic viscosity of more than 10 dL/g in tetralin at 135°C. Component (B) comprises 80 to 95 wt % of a propylene homopolymer or a copolymer with a lower intrinsic viscosity of 0.5 to 3.0 dL/g in tetralin at the same temperature. Another significant patent involves a process for preparing styrenic resin, which utilizes an extruder to volatilize styrenic polymer powder in the presence of water, alcohol, or antioxidants. This method effectively produces SPS pellets while minimizing yellowing and residual volatile components.
Career Highlights
Throughout his career, Onodera has worked with prominent companies in the petrochemical industry. He has been associated with Idemitsu Petrochemical Co., Ltd. and Prime Polymer Co., Ltd., where he has contributed to various innovative projects. His expertise in polymer technology has positioned him as a valuable asset in these organizations.
Collaborations
Onodera has collaborated with notable professionals in his field, including Kazuyoshi Fukada and Takashi Saeki. These collaborations have further enriched his research and development efforts, leading to advancements in polymer technology.
Conclusion
Tsutomu Onodera's contributions to the field of propylene polymer technology are noteworthy. His innovative patents and collaborations have significantly influenced the industry, showcasing his expertise and dedication to advancing polymer science.