ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,440,609, issued on Oct. 14, was assigned to Eudaemon Technologies Pty Ltd. (Sydney).
"Moulded polyurethane hydrogels" was invented by Robert Gorkin III (Sydney), Simon Cook (Sydney) and David Shepherd (Sydney).
According to the abstract* released by the U.S. Patent & Trademark Office: "The technology relates to a method of producing a moulded polyurethane hydrogel, for example a condom. The method involves forming a solution of at least one polyurethane having a molecular weight of between about 40000 to about 500000 in a water:organic polar solvent comprising less than about 40% (v/v) water; applying a layer of the solution to a mould; drying the layer of the first solution to form ...