ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,466,963, issued on Nov. 11, was assigned to FP-Pigments Oy (Espoo, Finland).
"Transparent varnish composition" was invented by Jorma Viitanen (Espoo, Finland), Katrine Nylund (Espoo, Finland) and Sami Haakana (Espoo, Finland).
According to the abstract* released by the U.S. Patent & Trademark Office: "According to an example aspect of the present invention, there is provided a method of preparing a transparent varnish composition. The method comprises the steps of providing a binder, adding to the binder 1 to 40 wt % precipitated calcium carbonate particles by weight of the composition, wherein the precipitated calcium carbonate particles have an average D50 particle size of 60 to 12...