US Patent Issued to SABIC Global Technologies on March 18 for "Lead-free piezo composites and methods of making thereof" (Saudi Arabia, Indian Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,256,640, issued on March 18, was assigned to SABIC Global Technologies B.V. (Bergen Op Zoom, Netherlands).

"Lead-free piezo composites and methods of making thereof" was invented by Soma Guhathakurta (Bangalore, India) and Jesus Alfonso Caraveo Frescas (Thuwal, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods of producing lead-free piezoelectric composites are described. The method can include adding a lead-free piezoelectric additive to a solution that includes a solvent and polymer solubilized therein. The solvent can have i) a boiling point less than=80deg C. at 0.1 MPa and ii) a solubility in water of less than=0.1 g/g and/or a d...