ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,487, issued on March 25, was assigned to Dow Silicones Corp. (Midland, Mich.).
"Dual cure composition" was invented by Peng-Fei Fu (Midland, Mich.) and Yanhu Wei (Midland, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A composition containing: (a) a polysiloxane resin, wherein the polysiloxane resin contains the following siloxane units: [R3SiO1/2], [(OZ)qSiO(4-q)/2] and at least one of [(OZ)tREPSiO(3-t)/2] and [(OZ)dRREPSiO(2-d)/2]; where: each R is independently in each occurrence selected from hydrocarbyls, REP is an epoxy functional hydrocarbyl group, subscript q is in each occurrence a number selected from a range of 0-3, subscript t is...