ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,226,452, issued on Feb. 18, was assigned to The Schepens Eye Research Institute Inc. (Boston) and Cell Guidance Systems Ltd (Cambridge, Great Britain).

"Polyhedrin-based slow release growth factor system for neuroprotection of retinal ganglion cell neurons" was invented by Julia Oswald Clifton (Medford, Mass.), Christian Pernstich (Cambridge, Great Britain), Petr Baranov (Boston) and Michael Jones (Royston, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein are polyhedrin-based slow release growth factor systems and methods of use thereof for neuroprotection of host and donor retinal ganglion cell neurons."

The patent was fil...