ALEXANDRIA, Va., July 14 -- United States Patent no. 12,679,946, issued on July 14, was assigned to SCHOCK GMBH (Regen, Germany).

"Process for producing a particulate recyclate from quartz composite" was invented by Adam Orendorz (Zwiesel, Germany), Thomas Rosener (Deggendorf, Germany) and Raphael Sperberg (Freital, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process for producing a particulate recyclate from quartz composite by comminuting quartz composite moldings composed of a polymer matrix with inorganic and/or organic filler particles embedded therein, wherein precomminuted pieces of molding are comminuted in a hammer mill to form particles that form the recyclate."

The patent was filed o...