This inventor holds 2 USPTO granted patents. Top assignee: Eastman Chemical Company. Active years: 1999-2002.
Company Filing History:
Years Active: 1999-2002
Title: John David Hewa: Innovator in Polyester-Polyamide Blends
Introduction
John David Hewa is a notable inventor based in Kingsport, TN (US). He has made significant contributions to the field of polymer science, particularly in the development of polyester-polyamide blends. With a total of 2 patents, Hewa's work focuses on enhancing the properties of materials used in various applications.
Latest Patents
Hewa's latest patents include innovative compositions that improve the functionality of polyester and polyamide blends. The first patent, titled "Polyester-polyamide blends with reduced gas permeability and low haze," relates to blend compositions that exhibit low haze and reduced gas permeability compared to polyester alone. This invention is particularly relevant for creating containers and packages for food, beverages, cosmetics, pharmaceuticals, and personal care products. The second patent, "Polyester and optical brightener blend having improved properties," describes a compositional blend that includes a polyester, an acetaldehyde reduction compound, and a minimal amount of an optical brightener. This blend is designed for food and beverage molded containers, ensuring improved clarity and flavor retention without producing haze.
Career Highlights
Hewa is currently employed at Eastman Chemical Company, where he continues to innovate in the field of polymer technology. His work has contributed to advancements in material science, particularly in applications that require enhanced clarity and reduced gas permeability.
Collaborations
Hewa has collaborated with several talented individuals in his field, including Steven Lee Stafford and Sam Richard Turner. These collaborations have fostered a creative environment that encourages innovation and the development of new technologies.
Conclusion
John David Hewa's contributions to the field of polyester-polyamide blends demonstrate his commitment to advancing material science. His patents reflect a deep understanding of polymer properties and their applications in everyday products. Hewa's work continues to influence the industry and pave the way for future innovations.