Patrick Lemay is a notable inventor based in Lestrem, France. He has made significant contributions to the field of pharmaceutical technology, particularly in the development of methods for preparing various compounds. With a total of 5 patents to his name, Lemay continues to push the boundaries of innovation in his industry.

Latest Patents

One of his latest patents is titled "Method for the preparation of directly compressible granular mannitol." This invention relates to a method of preparing directly compressible granular mannitol, wherein a raw material essentially constituted of powder mannitol is subjected to an extrusion treatment. This treatment occurs inside an installation comprising a heating zone and an extrusion die. The supply flow rate of the installation with raw material, as well as the parameters of the extrusion treatment, such as the temperature in the heating zone, the diameter of the extrusion die, and the driving speed of the raw material, are carefully selected. This ensures that at the exit of the die, the mannitol is partly fused before it exits.

Another significant patent is "Method and installation for the crystallization of gluconodeltalactone." In this process, a gluconic acid syrup is introduced into a first crystallization zone, where it is stirred and maintained at a constant temperature. The mixture of syrup and gluconodeltalactone crystals then traverses a second crystallization zone, where it is subjected to a temperature gradient. This results in a crystalline mass rich in gluconodeltalactone crystals, which can be recovered for further use.

Career Highlights

Patrick Lemay is currently employed at Roquette Frères, a leading company in the field of food and pharmaceutical ingredients. His work at Roquette Frères has allowed him to focus on innovative solutions that enhance the efficiency and effectiveness of pharmaceutical formulations.

Collaborations

Throughout his career, Lemay has collaborated with several talented individuals, including Michel Serpelloni and Francis Devos. These collaborations have contributed to the advancement of his research and the successful development of his patented technologies.

Conclusion

Patrick Lemay is a distinguished inventor whose work in pharmaceutical technology has led to significant advancements in the field. His innovative patents and collaborations reflect his commitment to improving pharmaceutical processes and products.

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