ALEXANDRIA, Va., July 30 -- United States Patent no. 12,371,585, issued on July 29, was assigned to Kraton Chemical LLC (Jacksonville, Fla.).

"Bio-based coating compositions and methods of preparation thereof" was invented by Patrick van Waes (Almere, Netherlands) and Michael Bulanov (Almere, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure relates to a coating composition comprising a decarboxylated rosin acid (DCR) component as a coalescent agent, for use in a dispersion base comprising any of acrylic and/or polyurethane, and optional additives. The coating composition forms a continuous and homogeneous film even under humidity conditions. The DCR has a density of 0.9 to 1.0 g/cm3,...