Company Filing History:
Years Active: 1983
Title: The Innovations of David F. Stewart
Introduction
David F. Stewart is an accomplished inventor based in North Reading, MA (US). He has made significant contributions to the field of polymer technology, holding 2 patents that showcase his innovative approach to material science. His work primarily focuses on thermoformable polymer blends, which have applications in various industries.
Latest Patents
Stewart's latest patents include a thermoformable polymer blend composition comprising styrene polymer. This composition consists of at least 50% by weight of an olefin polymer, such as polyethylene or polypropylene, along with 10 to 48% by weight of a styrene polymer and 2 to 40% by weight of a thermoplastic styrenic block copolymer rubber. The styrene-butadiene-styrene block copolymer acts as a compatibilizer for the olefin and styrene polymers in the blend. This innovative blend can be formed on conventional machinery, resulting in products that possess the beneficial properties of both types of polymers.
Career Highlights
David F. Stewart is currently employed at Sweetheart Plastics, Inc., where he continues to develop and refine his innovative polymer compositions. His expertise in polymer science has positioned him as a valuable asset to the company, contributing to advancements in product development and manufacturing processes.
Collaborations
Stewart has collaborated with notable colleagues, including Michael R. Grancio and John F. Cass. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of cutting-edge technologies in the field of plastics.
Conclusion
David F. Stewart's contributions to polymer technology through his patents and collaborations highlight his role as a leading inventor in the industry. His innovative approaches continue to influence the development of new materials and applications.