Location History:
- Osaka, JP (2012)
- Settsu, JP (2009 - 2023)
Company Filing History:
Years Active: 2009-2023
Title: Chie Sawauchi: Innovator in Polytetrafluoroethylene Technology
Introduction
Chie Sawauchi is a prominent inventor based in Settsu, Japan. She has made significant contributions to the field of materials science, particularly in the development of polytetrafluoroethylene (PTFE) technologies. With a total of 10 patents to her name, Sawauchi continues to push the boundaries of innovation in her field.
Latest Patents
One of her latest patents is focused on polytetrafluoroethylene and the method for producing it. The invention aims to provide PTFE that is suitable for forming a porous film using a high water-soluble surfactant with high volatility. This PTFE exhibits non-melt-secondary-processability, a standard specific gravity of 2.160 or less, an average primary particle size of 150 nm or more, a stress relaxation time of 500 seconds or more, and a break strength of 29.7 N or more. The production method involves emulsion polymerization of tetrafluoroethylene in the presence of a fluorinated surfactant with a Log POW of 3.4 or less. Another significant patent is for an aqueous fluororesin dispersion and the method for producing it. This invention provides a dispersion comprising a melt-processable fluororesin that is low in fluorinated surfactant concentration and exhibits excellent dispersion stability, even at high concentrations of the fluororesin.
Career Highlights
Chie Sawauchi is currently employed at Daikin Industries, Ltd., where she applies her expertise in polymer science to develop innovative materials. Her work has been instrumental in advancing the applications of fluoropolymers in various industries.
Collaborations
Throughout her career, Sawauchi has collaborated with notable colleagues, including Nobuhiko Tsuda and Yasuhiko Sawada. These collaborations have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.
Conclusion
Chie Sawauchi is a trailblazer in the field of polytetrafluoroethylene technology, with a strong portfolio of patents that reflect her innovative spirit. Her contributions continue to shape the future of materials science, making her a key figure in the industry.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.