Company Filing History:
Years Active: 1996
Title: Douglas D. Keller: Innovator in Propylene Polymer Compositions
Introduction
Douglas D. Keller is a notable inventor based in Cincinnati, OH (US). He has made significant contributions to the field of polymer chemistry, particularly in the development of propylene polymer compositions. His work focuses on improving the stability and color of these materials, which are essential in various industrial applications.
Latest Patents
Keller holds a patent for "Propylene polymer compositions having improved color and stabilizers." This invention provides useful stabilizer combinations and propylene polymer compositions that exhibit enhanced resistance to discoloration during processing. The stabilizer combinations include a mixture of calcium salts of stearic acid and lactic acid, along with a tocopherol-containing mixture that consists essentially of α-tocopherol, glycerin, polyethylene glycol with an average molecular weight of about 300, and glycerol monocaprylate. The invention stabilizes propylene homopolymers and various copolymers of propylene.
Career Highlights
Douglas D. Keller is associated with Quantum Chemical Company, where he has applied his expertise in polymer chemistry. His innovative work has contributed to advancements in the field, particularly in enhancing the properties of propylene-based materials.
Collaborations
Keller has collaborated with Morgan L. Gibbs, furthering research and development in polymer compositions. Their combined efforts have led to significant improvements in the stability and performance of propylene polymers.
Conclusion
Douglas D. Keller's contributions to the field of polymer chemistry, particularly through his patent on propylene polymer compositions, highlight his role as an innovator. His work continues to influence the industry, showcasing the importance of research and development in creating advanced materials.