US Patent Issued to Harbour Stone on July 29 for "Process for preparing a ceramic article containing sludge" (Dutch Inventors)

ALEXANDRIA, Va., July 30 -- United States Patent no. 12,371,380, issued on July 29, was assigned to Harbour Stone B.V. (Willemstad, Netherlands).

"Process for preparing a ceramic article containing sludge" was invented by Korstiaan Petrus Willem Kamp (Oude-Tonge, Netherlands) and Gert Jan De Gier (Harderwijk, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a process for the preparation of a ceramic article containing industrial, domestic or natural sludge, the ceramic article, and treated domestic or natural sludge suitable as raw material for the production of the ceramic article. The sludge (which definition excludes digestate that is obtained from a Municipal Solid Wast...