US Patent Issued to SOCIETE DES PRODUITS NESTLE on Aug. 19 for "Low density pet litters and methods of making and using such pet litters" (Missouri, Illinois Inventors)

ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,389,875, issued on Aug. 19, was assigned to SOCIETE DES PRODUITS NESTLE S.A. (Vevey, Switzerland).

"Low density pet litters and methods of making and using such pet litters" was invented by Nathan Foster Huck (Jackson, Mo.), Colin Muscroft (Glen Carbon, Ill.) and David Odell Leinart (Ballwin, Mo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Compacting expanded perlite fines in the presence of a small amount of binder (starch and/or clay) and water, followed by drying, produces particles with low density, good integrity, and surprisingly higher absorption by volume than non-compacted expanded perlite or non-swelling clay. Furthermore, addition of a sma...