Company Filing History:
1 out of 266 
1 out of 2,198 
1 out of 29 
Years Active: 2008-2021
Title: Innovations of Jean-Jacques Letourneau
Introduction
Jean-Jacques Letourneau is a notable inventor based in Gragnague, France. He has made significant contributions to the field of materials science, particularly in the production and application of rubber crumb and active substances.
Latest Patents
Letourneau holds two patents that showcase his innovative methods. The first patent is a method for producing rubber crumb, which involves suspending rubber granules in an autoclave containing a supercritical fluid. The process includes agitating the mixture at constant pressure and temperature, followed by an isenthalpic expansion through a nozzle. His second patent focuses on preparing a compound for the interaction of active substances with a porous support using supercritical fluid. This method includes mixing the active substance with a porous support, followed by molecular diffusion and washing the interactive compound with a supercritical fluid flow.
Career Highlights
Throughout his career, Letourneau has worked with prominent companies such as Pierre Fabre Medicament and Compagnie Générale des Établissements Michelin. His work in these organizations has contributed to advancements in the application of supercritical fluids in various industries.
Collaborations
Letourneau has collaborated with notable individuals in his field, including Jacques Fages and Martial Sauceau. These partnerships have likely enhanced his research and development efforts.
Conclusion
Jean-Jacques Letourneau's innovative patents and career achievements highlight his significant contributions to materials science. His work continues to influence the development of new technologies in the industry.