Company Filing History:
Years Active: 1977-1991
Title: The Innovative Contributions of Freddie A. Shepherd
Introduction
Freddie A. Shepherd is a notable inventor based in Kingsport, TN (US), recognized for his significant contributions to polymer technology. With a total of 9 patents to his name, Shepherd has made strides in developing advanced materials that cater to various packaging applications.
Latest Patents
One of Shepherd's latest inventions is focused on tricomponent polymer blends of poly(ethylene terephthalate). This invention involves blends of poly(ethylene terephthalate), poly(ethylene naphthalate), and a compatibilizing copolyester. The copolyester comprises an acid component with repeating units of approximately 10 to 20 mole % terephthalic acid and about 80 to 90 mole % naphthalenedicarboxylic acid, along with a glycol component made of ethylene glycol. These blends produce clear containers with less than 10% haze, making them ideal for hot-fill food and beverage packaging where clarity and barrier properties are essential. Another significant patent involves polymer blends that enhance the resistance to oxygen permeability, specifically blends of poly(ethylenenaphthalene 2,6-dicarboxylate) with olefin/vinyl alcohol copolymers. This innovation also includes shaped articles, such as biaxially oriented containers, produced from these blends.
Career Highlights
Freddie A. Shepherd is currently associated with Eastman Kodak Company, where he continues to push the boundaries of polymer science. His work has not only contributed to the company's portfolio but has also advanced the field of material science.
Collaborations
Throughout his career, Shepherd has collaborated with notable colleagues, including David R. Fagerburg and I. Daniel Sand. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.
Conclusion
Freddie A. Shepherd's contributions to polymer technology and his innovative patents have made a significant impact in the field. His work continues to influence packaging solutions, demonstrating the importance of innovation in material science.