US Patent Issued to The Regents of the University of California on March 31 for "Printing of conducting polymers without toxic solvents" (California Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,548, issued on March 31, was assigned to The Regents of the University of California (Oakland, Calif.).

"Printing of conducting polymers without toxic solvents" was invented by Jonathan K. Pokorski (San Diego) and Yi Zheng (La Jolla, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for printing of doped conducting polymer includes immersing at least a portion of a surface of a substrate with a coagulation bath. A doped conducting polymer is printed from a nozzle onto the substrate that is within the coagulation bath. The nozzle penetrates below a surface of the coagulation bath at a predetermined distance from the substrate. The doped...