This inventor holds 2 USPTO granted patents and 1 published patent application and 2 EPO patents. Top assignee: Sumitomo Seika Chemicals Co., Ltd.. Active years: 2021.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2021
Title: Rie Nakashima: Innovator in Polymer Chemistry
Introduction
Rie Nakashima is a notable inventor based in Himeji, Japan. She has made significant contributions to the field of polymer chemistry, particularly in the development of carboxyl-group-containing polymer compositions. With a total of 2 patents, her work has implications in various industries, including cosmetics and materials science.
Latest Patents
One of her latest patents is a method for producing a carboxyl-group-containing polymer composition. This method is designed to create a polymer that excels in dispersibility in water, storage stability, and transparency of a neutral viscous solution. The process involves copolymerizing monomers, including an α,β-unsaturated carboxylic acid and a compound with multiple ethylenically unsaturated groups, while incorporating a nonionic surfactant at a specific stage of polymerization.
Another significant patent is for a gel composition that serves as a thickener for cosmetic preparations. This gel composition is based on a neutralized product of an alkyl-modified carboxyl group-containing polymer. It includes a copolymer of (meth)acrylic acid and an alkyl ester, along with emulsifiers to enhance its effectiveness in cosmetic applications.
Career Highlights
Rie Nakashima is currently employed at Sumitomo Seika Chemicals Co., Ltd., where she continues to innovate in polymer chemistry. Her work has not only advanced the understanding of polymer compositions but has also led to practical applications in various products.
Collaborations
Throughout her career, Rie has collaborated with talented individuals such as Satoshi Nishiguchi and Miyu Ikeda. These collaborations have fostered a creative environment that encourages innovation and the development of new technologies.
Conclusion
Rie Nakashima's contributions to polymer chemistry are noteworthy, particularly her advancements in carboxyl-group-containing polymer compositions. Her patents reflect her commitment to innovation and her impact on the industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile