ALEXANDRIA, Va., July 16 -- United States Patent no. 12,358,183, issued on July 15, was assigned to Comadur SA (Le Locle, Switzerland).
"Method for producing a ceramic with a mother-of-pearl effect, particularly for watchmaking" was invented by Jan Lintymer (Mamirolle, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method may produce a ceramic part with a mother-of-pearl effect, in particular for watchmaking. Such methods may include: forming a ceramic body; depositing a layer of an oxy-nitride component of the OxNy type on at least a portion of the ceramic body; and oxidizing at least a portion of the oxy-nitride layer, preferably by heating."
The patent was filed on April 11, 2022, under Applicat...