ALEXANDRIA, Va., July 3 -- United States Patent no. 12,344,836, issued on July 1, was assigned to Nederlands Instituut voor Ecologie (Nioo-Knaw) (Wageningen, Netherlands) and University of Copenhagen (Copenhagen, Denmark).

"Treatment of parasitic infections of fish surfaces" was invented by Irene De Bruijn (Wageningen, Netherlands), Josephus Maria Raaijmakers (Wageningen, Netherlands) and Kurt Buchman (Copenhagen, Denmark).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to the use of bacterial lipopeptide biosurfactants in the treatment of white spot disease in fresh water and marine fish. Particularly useful for treatment of white spot disease are viscosin-like lipopeptide biosurfactants...