This inventor holds 3 USPTO granted patents. Top assignees: Naphtachimie, Naohtachimie Societe Anonyme. Active years: 1977-1982.
Company Filing History:
Years Active: 1977-1982
Title: The Innovations of Francois Caumartin
Introduction
Francois Caumartin is a notable inventor based in Martigues, France. He has made significant contributions to the field of polymer chemistry, particularly in the production of elastomeric terpolymers. With a total of 3 patents to his name, Caumartin's work has had a lasting impact on the industry.
Latest Patents
One of his latest patents is focused on the fluidized bed terpolymerization of ethylene, propylene, and dienes. This invention concerns a process for the production of elastomeric terpolymers by the direct polymerization of monomeric olefins in the gaseous state. The process utilizes a catalytic system comprising one or more solid compounds of titanium. The resulting terpolymers are produced in powder form and can be used directly for the production of molded or extruded articles.
Another significant patent involves the dry polymerization of olefins in reaction vessels arranged in series. This method produces polymers with a molecular weight above 50,000 using a catalyst system formed of a transition metal compound and an organo-metallic co-catalyst. The polymerization reaction is conducted in a series of reaction vessels, allowing for the efficient transfer of formed polymer and recycling of gaseous effluents.
Career Highlights
Francois Caumartin has worked with notable companies such as Naphtachimie and Naohtachimie Société Anonyme. His experience in these organizations has contributed to his expertise in polymer production and innovation.
Collaborations
Throughout his career, Caumartin has collaborated with esteemed colleagues, including Laszlo Havas and Charles F. Raufast. These partnerships have further enriched his work and expanded the scope of his inventions.
Conclusion
Francois Caumartin's contributions to polymer chemistry through his innovative patents demonstrate his expertise and commitment to advancing the field. His work continues to influence the production of elastomeric materials, showcasing the importance of innovation in the industry.