ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,403, issued on Feb. 3, was assigned to SWISSto12 SA (Renens, Switzerland).
"Stable composition for catalytic deposition of silver" was invented by Gaelle Andreatta (Neuchatel, Switzerland) and Alba Finelli (Fribourg, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A solution including at least one metal salt, a reducing agent which makes it possible to reduce the metal salt, and a stabilising additive of formula F1 in which the Ra, Rb and Rc groups denote, independently of one another, an alkane, an alkene or an alkyne, which may be independently linear, branched or cyclic and which include from 1 to 20 carbon atoms, and where the Rd and R...