Mary E Shepard

Title: Mary E Shepard: Innovator in Thermoformable Multilayer Polymeric Films

Introduction

Mary E Shepard is a notable inventor based in Oshkosh, Wisconsin, with a remarkable portfolio of seven patents. Her work primarily focuses on the development of advanced polymeric films that have significant applications in various industries.

Latest Patents

One of her latest innovations is a thermoformable multilayer polymeric film. This clear, multilayer film is designed for thermoforming applications and features two inner layers of nylon, along with a core layer of ethylene vinyl alcohol or ethylene vinyl alcohol copolymer. These layers are sandwiched between the two inner nylon layers, providing enhanced physical properties. The film also includes an outer layer of a heat sealable polymer and may have an additional outer layer of nylon. The manufacturing process involves coextrusion, blowing into a tubular shape, orientation, and cooling through tubular water quenching. This innovative film exhibits improved properties such as 'memory', clarity, gloss, and low haze compared to prior art.

Career Highlights

Mary has worked with prominent companies in the industry, including American National Can Company and Pechiney Emballage Flexible Europe. Her contributions to these organizations have been instrumental in advancing the field of polymeric materials.

Collaborations

Throughout her career, Mary has collaborated with talented individuals such as Robert J Blemberg and Scott William Middleton. These partnerships have fostered innovation and creativity in her projects.

Conclusion

Mary E Shepard's contributions to the field of thermoformable multilayer polymeric films highlight her innovative spirit and dedication to advancing material science. Her patents reflect a commitment to improving product performance and functionality in various applications.