ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,600, issued on Oct. 21, was assigned to Synergraze Inc. (Calgary, Canada).

"Extraction of antimethanogenic compounds" was invented by Tamara Lee Loiselle (Calgary, Canada) and Jianwei Chen (Calgary, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to liquid (e.g., water-soluble) compositions comprising antimethanogenic compounds, and methods of administering the same to reduce enteric methane emissions from ruminant animals, and/or improve feed-efficiency. Certain disclosed compositions exhibit improved rapid effect over prior art compositions. The disclosure further relates to methods of concentrating antimethano...