Company Filing History:
Years Active: 1994-1997
Title: Innovations of Philip A DeFriend
Introduction
Philip A DeFriend is an accomplished inventor based in Houston, TX. He has made significant contributions to the field of polymer chemistry, holding a total of 2 patents. His work focuses on developing innovative processes and materials that enhance the functionality of polymers.
Latest Patents
One of his latest patents is for a multifunctional initiator derived from divinyl disilane. This initiator is created by reacting an organo-alkali metal compound with a specific silane formula. The resulting catalyst is effective in initiating the polymerization of monomers, leading to the production of relatively monodispersed polymers with minimal crosslinking. Another notable patent involves the melt metalation of block copolymers. This process allows for the functionalization of hydrogenated block copolymers in a melt phase, predominantly grafting functionality to the vinyl aromatic blocks. This innovative process is ideally performed in an extruder, showcasing DeFriend's expertise in polymer processing.
Career Highlights
Philip A DeFriend is currently employed at Shell Oil Company, where he continues to push the boundaries of polymer technology. His work has not only contributed to the advancement of materials science but has also positioned him as a key figure in the industry.
Collaborations
Throughout his career, DeFriend has collaborated with notable colleagues, including Linda R Chamberlain and Ronald J Hoxmeier. These partnerships have fostered a collaborative environment that enhances innovation and research in their field.
Conclusion
Philip A DeFriend's contributions to polymer chemistry through his patents and work at Shell Oil Company highlight his role as a significant inventor in the industry. His innovative approaches continue to influence the development of advanced materials.