ALEXANDRIA, Va., June 16 -- United States Patent no. 12,653,183, issued on June 16, was assigned to ANIMAL CONTROL TECHNOLOGIES (AUSTRALIA) PTY LTD (Somerton, Australia).

"Hygroscopic salt microencapsulation, and uses thereof" was invented by Linton Staples (Somerton, Australia).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to microencapsulation technology and specifically, nitrite salt microencapsulation and uses of microencapsulated nitrite in the manufacture of animal pest baits and toxic feed mixtures, especially baits and toxic feed mixtures to be used in humane methods for controlling pig and possum populations."

The patent was filed on Oct. 29, 2021, under Application No...