Location History:
- La Rochelle, FR (1989 - 1990)
- Paris, FR (1987 - 2015)
Company Filing History:
2 out of 202 
2 out of 759 
2 out of 661 Years Active: 1987-2015
Title: Innovations by Inventor Alain Rollat in Rare Earth Element Recovery
Introduction
Alain Rollat is an accomplished inventor based in Paris, France, with a remarkable portfolio of seven patents. His work primarily focuses on the recovery of rare earth elements, an essential area in modern technology and sustainable practices.
Latest Patents
Rollat's latest patents include innovative methods for recovering rare earths from solid mixtures that contain halophosphates and rare earth compounds. His first patent describes an acid treatment process in a liquid medium, which involves separating a solid phase from a liquid phase. The method entails mixing a calcined solid with an alkaline compound, followed by a series of steps involving redispersion in water and acidification, ultimately leading to the separation of solid products from the resulting suspension.
Additionally, he has developed a patent detailing a method for recovering rare earth elements from solid mixtures. This approach includes acid etching, adjusting the pH with a base, and further treatment with a soda or potash solution. The process culminates in acid etching until achieving a desired pH, enabling separation of the solid and liquid phases, which contain valuable rare earth salts.
Career Highlights
Throughout his career, Alain Rollat has worked with notable companies in the chemical sector, including Rhone-Poulenc Specialites Chimiques and Rhone-Poulenc Chimie. His contributions have significantly advanced the methodologies involved in the extraction and recovery of rare earth elements, reinforcing the importance of these materials in various technological applications.
Collaborations
Rollat has collaborated with esteemed colleagues like Jean-Louis Sabot and Jean-Jacques Braconnier. These partnerships have fostered a creative environment for exploring novel approaches in the field and aligning efforts towards important innovations in chemical processes.
Conclusion
In summary, Alain Rollat's pioneering work and patented methods demonstrate a profound impact on the recovery of critical materials needed for modern industries. His ongoing contributions highlight the importance of innovation in addressing global challenges associated with resource recovery and sustainability.