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Denis Spitzer, laureate of the CNRS 2022 Innovation Medal, and a colleague. Research professor at the French-German Research Institute of Saint-Louis (northeastern France), Denis Spitzer has developed two processes that facilitate the study, formulation, and production of particles smaller than a micron – an unprecedented feat. These techniques have made it possible, for the first time, to continuously produce industrial quantities of compounds for the pharmaceutical, cosmetic, and agri-food industries, as well as for the energy transition (batteries, solar cells, etc.). These versatile, cost-effective, safe, and environmentally-friendly processes have given rise to eighteen patents, six of which are international, along with numerous partnerships. Following a CNRS pre-maturation programme, Spitzer found industrial applications for his findings with the company Spinofrin.