ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,426,693, issued on Sept. 30, was assigned to L'Oreal (Paris).
"Formulation delivery priming methods" was invented by Ji Lee (New York), Damien Levi (Berkeley Heights, N.J.) and Marie Hampton (Jersey City, N.J.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods of priming formulation delivery devices include providing a formulation cartridge, inserting the formulation cartridge into a handle of the formulation delivery device, and initiating a priming sequence which simultaneously pumps a first formulation and a second formulation from the formulation cartridge for a first time period such that the first formulation and the second formulation pass f...