ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,735,581, issued on Sept. 15, was assigned to I-TECH AB (Molndal, Sweden).

"Antifouling compounds" was invented by Dan Isaksson (Molndal, Sweden) and Markus Hoffmann (Sant Cugat, Spain).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present embodiments relate to an antifouling polymer comprising a plurality of repeating units. At least a portion of the plurality of repeating units comprises medetomidine, or an enantiomer, base or salt thereof, covalently bound to the repeating unit through a hydrolysable bond. The antifouling polymer can comprised in an antifouling composition applied as a surface coating on underwater or submersible structures to pr...