ALEXANDRIA, Va., June 17 -- United States Patent no. 12,310,358, issued on May 27.

"Fighting against varroa parasite in beekeeping using a natural formulation comprising essential oils and wood vinegar" was invented by Ozan Emre Eyupoglu (Istanbul).

According to the abstract* released by the U.S. Patent & Trademark Office: "An essential oil mixture for fighting varroa parasites, the essential oil mixture has 15% to 25% wood vinegar by volume of the entire mixture, 25% to 35% thyme oil by volume of the entire mixture, 25% to 35% aniseed oil by volume of the entire mixture, 8 to 13% clove oil by volume of the entire mixture, 3 to 8% cardamom oil by volume of the entire mixture, and 3 to 8% peppermint oil by volume of the entire mixture. The...