US Patent Issued to NuGeneration Technologies on June 17 for "Solvent mixture for the removal of silicone conformal coatings from a printed circuit board" (California Inventors)

ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,270, issued on June 17, was assigned to NuGeneration Technologies LLC (Emeryville, Calif.).

"Solvent mixture for the removal of silicone conformal coatings from a printed circuit board" was invented by Donato Polignone (Emeryville, Calif.) and Stephen Utschig-Samuels (Emeryville, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A solvent composition has an oxygenated solvent and a siloxane solvent. In one embodiment, the oxygenated solvent is propylene glycol methyl ether and the siloxane solvent is hexamethyldisiloxane or octamethyltrisiloxane. In another embodiment, the solvent composition is an azeotrope of propylene glycol n-butyl ether and...