ALEXANDRIA, Va., April 15 -- United States Patent no. 12,600,835, issued on April 14, was assigned to Visolis Inc. (Dallas).

"Solvent applications of anhydromevalonolactone" was invented by Deepak Dugar (Berkeley, Calif.), Mustafa J. Bootwala (Fremont, Calif.), Cecelia Rivera (Berkeley, Calif.) and Chance Plaskett (Oakland, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein are solvents and co-solvents comprising anhydromevalonolactone (aMVL) and various industrial applications for such solvents. aMVL has a number of advantageous properties for use in solvent, including high boiling point, low melting point, low viscosity, non-flammability, water solubility, exceptionally low volatility, ...