ALEXANDRIA, Va., June 5 -- United States Patent no. 12,275,186, issued on April 15, was assigned to 4D Medicine Ltd. (Birmingham, Great Britain).
"Tunable materials" was invented by Andrew Weems (Edgbaston, Great Britain) and Andrew Dove (Edgbaston, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A photocurable resin composition, the photocurable resin composition comprises a prepolymer, a first photoinitiator, and a second distinct photoinitiator, the prepolymer comprising a repeating unit, the repeating unit comprising a first functional group and a distinct second functional group, the first photoinitiator having a first absorption wavelength, and the second distinct photoinitiator having a s...