ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,383, issued on Dec. 30, was assigned to SCHOTT AG (Mainz, Germany).

"Method for preparing and/or performing the separation of a substrate element and substrate sub-element" was invented by David Sohr (Mainz, Germany), Fabian Wagner (Mainz, Germany) and Andreas Ortner (Gau-Algesheim, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a method for preparing and/or performing the separation of a substrate element into at least two substrate sub-elements along a separation face and a substrate sub-element which is manufactured and/or can be manufactured in particular by use of the method according to the disclosure....