Company Filing History:
Years Active: 1999
Title: The Innovations of Stephen Dana Hall
Introduction
Stephen Dana Hall is a notable inventor based in Wilmington, NC (US). He has made significant contributions to the field of polymer science, particularly in the depolymerization of polyester. His innovative approach has led to advancements in recycling processes, which are crucial for environmental sustainability.
Latest Patents
Stephen Dana Hall holds a patent for a process for depolymerizing polyester. This process involves methanolysis, where polyester is depolymerized by methanol, and methanol is recovered using methyl benzoate and/or p-methyltoluate as an azeotropic agent while the methanol is present. This innovative method not only enhances the efficiency of polyester recycling but also contributes to the recovery of valuable resources.
Career Highlights
Stephen is currently employed at E.I. du Pont de Nemours and Company, a leading organization in the field of chemical manufacturing. His work at DuPont has allowed him to explore various aspects of polymer chemistry and develop solutions that address industry challenges.
Collaborations
Throughout his career, Stephen has collaborated with esteemed colleagues such as Richard Redfearn Hepner and Robert E. Michel. These collaborations have fostered a creative environment that encourages innovation and the sharing of ideas.
Conclusion
Stephen Dana Hall's contributions to the field of polymer science, particularly through his patented process for depolymerizing polyester, highlight his commitment to innovation and sustainability. His work continues to influence the industry and pave the way for future advancements.