Company Filing History:
Years Active: 1980-1991
Title: Frank J. Riel: Innovator in Polymer Matrix Composites
Introduction
Frank J. Riel, based in San Diego, California, is a distinguished inventor known for his impactful contributions to the field of polymer matrix composites. With a remarkable portfolio of 15 patents, Riel has established himself as a leading figure in materials science, particularly in the synthesis of high-performance polymers.
Latest Patents
Riel's most recent patents focus on the innovative synthesis of PMR-type polyimides. One of his key inventions involves preparing a dimer of 5-norbornene-2,3-dicarboxylic acid, or its esters or anhydrides, along with 4,4'-methylenedianiline. The dimer is subsequently reacted with the dimethyl ester of 3,3',4,4'-benzophenonetetracarboxylic acid and 4,4'-methylenedianiline. The resultant polyimide prepolymer showcases enhanced physical properties and is notably free from the undesired trimer byproducts, marking a significant advancement in polymer chemistry.
Career Highlights
Frank J. Riel is currently affiliated with Rohr Industries, Inc., where his innovative work continues to influence the development of advanced composite materials. Throughout his career, he has demonstrated an unwavering commitment to research and development, which has played a crucial role in the evolution of polymer technologies.
Collaborations
In his pursuit of innovation, Riel has collaborated with esteemed colleagues such as Stanley L. Beggs and Philip M. Rose. Their collective expertise has contributed to groundbreaking advancements in the field, enhancing the potential applications of polymer matrix composites across various industries.
Conclusion
Frank J. Riel is a prominent inventor whose work has significantly impacted the field of polymer chemistry. With 15 patents to his name and ongoing contributions at Rohr Industries, Inc., his pioneering spirit and collaborations continue to inspire future innovations in high-performance materials.
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