Location History:
- Lyons, FR (1986 - 1987)
- 69530 Brignais, FR (1999)
- Brignais, FR (1988 - 2002)
- Saucieu-En-Jarrest, FR (1999 - 2003)
Company Filing History:
8 out of 336 
7 out of 456 
4 out of 41 
Years Active: 1986-2003
Title: **Bernard Cheminal: Innovator in Fluorinated Compounds**
Introduction
Bernard Cheminal, based in Brignais, France, is an accomplished inventor with a remarkable portfolio of 22 patents. His work primarily focuses on the field of fluorinated compounds, contributing innovative processes that enhance the manufacturing and purification of essential chemicals.
Latest Patents
Among his latest patents is a process for the manufacture of difluoromethane, which plays a crucial role in various applications due to its properties. Additionally, he has developed a method for the purification of 1,1,1,2-tetrafluoroethane. This process is particularly noteworthy as it addresses the removal of impurities, such as 1-chloro-2,2-difluoroethylene, from crude 1,1,1,2-tetrafluoroethane (F134a). The innovative purification method involves treating a gaseous mixture of crude F134a and hydrofluoric acid in the gas phase, utilizing a fluorination catalyst at controlled temperatures and pressures, making it a pivotal advancement in the field.
Career Highlights
Bernard Cheminal has had a distinguished career, having worked with notable companies such as Atochem and Elf Atochem S.A. His contributions in these organizations have led to significant improvements in the processing and quality of fluorinated compounds.
Collaborations
Throughout his journey, Cheminal has collaborated with esteemed colleagues, including Andre Lantz and Henri Mathais. Together, they have contributed to advancements in the chemical engineering field, particularly in the areas surrounding fluorinated substances.
Conclusion
In conclusion, Bernard Cheminal stands out as a prolific inventor whose innovative processes continue to shape the landscape of fluorinated compounds. His extensive patent portfolio not only highlights his contributions to the industry but also underscores the importance of ongoing research and development in chemical engineering. Cheminal's work serves as an inspiration for future inventors and innovators in the field.