Company Filing History:
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Years Active: 1982-1991
Title: The Innovative Contributions of Roger Mari
Introduction
Roger Mari is a notable inventor based in Villers-les-Nancy, France. He has made significant contributions to the field of chemical engineering, particularly in the production of nitromethane. With a total of three patents to his name, Mari's work has had a considerable impact on the industry.
Latest Patents
Among his latest patents is a process for producing nitromethane. This process involves using a nitriding agent that comprises an oxygenated nitrogen compound and a carbon compound containing two carbon atoms and at least one atom other than carbon and hydrogen. Another significant patent is for a process and installation for manufacturing nitromethane. This invention details the nitration of methane in a homogeneous gaseous phase, utilizing nitric acid, nitrogen peroxide, or mixtures thereof as the nitrating agent. The disclosed process specifies that the molar ratio of methane to nitrating agent should be between 0.1 and 5, with a reaction contact time ranging from 0.1 to 120 seconds. The reaction pressure is maintained between 1 and 35 bars, and the temperature is set between 270°C and 600°C. Additionally, the nitration is conducted in the presence of an active agent of the halogen or derivative type, introduced in a molar ratio of at most 3.
Career Highlights
Throughout his career, Roger Mari has worked with several prominent companies, including Société Chimique de la Grande Paroisse and Azote et Produits Chimiques. His expertise in chemical processes has been instrumental in advancing the production techniques of nitromethane.
Collaborations
Mari has collaborated with notable colleagues such as Jacques Quibel and Bernard Jacquinot. Their combined efforts have contributed to the development of innovative chemical processes.
Conclusion
Roger Mari's contributions to the field of chemical engineering, particularly in the production of nitromethane, highlight his innovative spirit and dedication to advancing industrial processes. His patents and collaborations reflect a commitment to excellence in his field.