ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,107, issued on March 31, was assigned to Credoxys GmbH (Dresden, Germany).

"Cerium (IV) complexes and their use in organic electronics" was invented by Sascha Dorok (Dresden, Germany), Marcus Papmeyer (Nossen, Germany) and Leonard Eymann (Dresden, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to an electronic component comprising a cerium IV complex, a doped semi-conductor matrix material comprising the cerium IV complex and at least one electron donor, the use of the cerium IV complex, especially as an organic semi-conductor, as a dopant in organic semiconductor matrix materials and as a charge injector in a ...