Dennis A Barnes

Title: Innovations of Dennis A Barnes

Introduction

Dennis A Barnes is a notable inventor based in Medina, OH (US), recognized for his contributions to the field of polymer chemistry. With a total of 11 patents to his name, he has made significant advancements in the development of polycyclic olefin polymers.

Latest Patents

Among his latest patents is a method for creating vinyl addition polycyclic olefin polymers using non-olefinic chain transfer agents. This innovative process involves combining a monomer composition containing poly(cyclic)olefin monomers, a non-olefinic chain transfer agent, and an activator compound to form a mixture. The mixture is then heated, followed by the addition of a polymerization catalyst containing nickel (Ni) and/or palladium (Pd). The non-olefinic chain transfer agent can include various compounds such as H, alkylsilanes, and alkylgermanes. The resulting poly(cyclic)olefin polymers are particularly useful in photoresist compositions. Another significant patent involves the Ni or Pd-catalyzed cationic polymerization of polycyclic olefins with silane chain transfer agents, following a similar methodology.

Career Highlights

Dennis has worked with prominent companies such as The B. F. Goodrich Company and Promerus, LLC. His experience in these organizations has contributed to his expertise in polymer science and innovation.

Collaborations

Throughout his career, Dennis has collaborated with notable colleagues, including Larry Funderburk Rhodes and Brian L Goodall. These partnerships have likely enhanced his research and development efforts in the field.

Conclusion

Dennis A Barnes stands out as a significant figure in the realm of polymer innovation, with a strong portfolio of patents that reflect his expertise and contributions to the industry. His work continues to influence advancements in polymer chemistry and applications.