This inventor holds 4 USPTO granted patents. Top assignees: The Dow Chemical Company, Celanese Gmbh, Uniroyal Inc.. Active years: 1982-1993.
Company Filing History:
2 out of 7,680 
1 out of 824 
1 out of 428 
Years Active: 1982-1993
Title: The Innovative Contributions of Robert S. Drzal
Introduction
Robert S. Drzal is a notable inventor based in Naugatuck, CT (US). He has made significant contributions to the field of polymer science, particularly in the development of thermoplastic polymer blends. With a total of 4 patents, Drzal's work has had a considerable impact on various applications, especially in low-temperature environments.
Latest Patents
Drzal's latest patents include innovative polymer blend compositions that exhibit an advantageous combination of low temperature toughness, solvent resistance, scratch resistance, paintability, and elevated temperature resistance. One of his notable inventions is a heat-resistant thermoplastic polymer blend that comprises from about 20 to about 65 weight percent of a rubber modified monovinylidene aromatic/ethylenically unsaturated nitrile/N-arylmaleimide copolymer. This blend is particularly well-suited for molded articles or thermoformed sheet materials used in motor vehicles, recreational vehicles, and as freezer and refrigerator liners.
Another significant patent focuses on low temperature toughened thermoplastic polymer blend compositions. This invention includes a combination of rubber modified monovinylidene aromatic/ethylenically unsaturated nitrile polymer and polyester-based elastomeric thermoplastic polyurethane ingredients. The resulting compositions are designed for molded articles intended for low temperature environments, making them ideal for applications in snow removal equipment and other similar uses.
Career Highlights
Throughout his career, Drzal has worked with prominent companies such as The Dow Chemical Company and Celanese GmbH. His experience in these organizations has allowed him to refine his expertise in polymer technology and contribute to various innovative projects.
Collaborations
Drzal has collaborated with notable colleagues, including David E. Henton and F. Michael Plaver. These collaborations have further enriched his work and led to advancements in polymer science.
Conclusion
Robert S. Drzal's contributions to the field of polymer blends have established him as a significant figure in innovation. His patents reflect a commitment to developing materials that meet the demands of modern applications. His work continues to influence the industry and inspire future advancements in polymer technology.