Company Filing History:
Years Active: 1978-1980
Title: Innovations of Robert A Rhein
Introduction
Robert A Rhein is a notable inventor based in La Canada, CA (US). He has made significant contributions to the field of polymer chemistry, particularly in the development of prepolymer dianhydrides and hydroxyl-containing curable liquid hydrocarbon prepolymers. With a total of 2 patents, his work has implications for various industrial applications.
Latest Patents
Rhein's latest patents include a process for preparing dianhydrides that are miscible with hydroxyl prepolymers at moderate temperatures. This innovative process allows for the curing of hydroxyl prepolymers to elastomers, enhancing their usability in various applications. The dianhydrides are synthesized through a solution reaction of a prepolymer diol with excess dianhydride, followed by the removal of unreacted dianhydride. Additionally, he has developed a method for producing hydroxyl-containing curable liquid hydrocarbon prepolymers by ozonizing high molecular weight saturated hydrocarbon polymers, such as polyisobutylene or ethylene-propylene rubber. This method results in prepolymers that can be easily cured to form stable elastomers, which have a wide range of applications, including as binders for solid propellants.
Career Highlights
Robert A Rhein is affiliated with the California Institute of Technology, where he continues to advance research in polymer science. His innovative approaches have garnered attention in the scientific community, contributing to the development of new materials with enhanced properties.
Collaborations
Rhein has collaborated with John D Ingham, furthering research and development in their respective fields. Their partnership has led to advancements in polymer chemistry and applications.
Conclusion
Robert A Rhein's contributions to the field of polymer chemistry through his patents and research at the California Institute of Technology highlight his role as an influential inventor. His work continues to impact various industries, showcasing the importance of innovation in material science.