ALEXANDRIA, Va., July 7 -- United States Patent no. 12,673,021, issued on July 7, was assigned to LA PRAIRIE GROUP AG (Zurich, Switzerland).
"Use of caviar extracts" was invented by Bernhard Dudler (Hinwil, Switzerland) and Daniel Stangl (Meggen, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for the expression and/or for the amplification of the expression of thrombospondin-1, fibronectin, vimentin and/or mimecan in human skin. the method comprises applying to human skin at least one caviar extract which is capable of causing the expression and/or the amplification of the expression of thrombospondin-1, fibronectin, vimentin and/or mimecan in human skin."
The patent was filed on May 3,...