U.S. 8,202,919 B2
Polyguard Products, Inc. has been granted a patent for a composition for application to provide a water barrier coating on a construction surface comprised of at least one of wood, cement, masonry, plaster, stone, clay and brick. The composition is comprised of an aromatic hydrocarbon solvent; styrene-based polymer; and an antimicrobial effective amount of triclosan.
Source:
http://www.coatingsworld.com/issues/2013-03/view_patents/polyguard-products-patents-mold-inhibiting-coating/
