ALEXANDRIA, Va., July 3 -- United States Patent no. 12,345,634, issued on July 1, was assigned to OMYA INTERNATIONAL AG (Oftringen, Switzerland).

"Method and apparatus for detecting an amorphous and/or crystalline structure of phosphate and/or sulphate salts on the surface of a substrate or within a substrate" was invented by Roger Bollstrom (Zofingen, Switzerland) and Gilbert Botty (Maastricht, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for detecting amorphous and/or crystalline structures of phosphate and/or sulphate salts on or within a substrate involves providing an LWIR imaging system with an infrared light emitting source (A) configured to emit infrared light over the range of...