US Patent Issued to Collagen Matrix on Sept. 15 for "Flat self-curling sheet membranes and methods for producing same" (New Jersey, New York Inventors)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,734,276, issued on Sept. 15, was assigned to Collagen Matrix Inc. (Oakland, N.J.).

"Flat self-curling sheet membranes and methods for producing same" was invented by Hui-Chen Chen (Wayne, N.J.), Natsuyo Shishido Lee (Basking Ridge, N.J.) and Daniel Ammon (Webster, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A flat self-curling rollable composite sheet membrane, and methods for preparing such membranes. The sheet membrane includes a flat layer of collagen and a bioactive agent, such as a calcium phosphate-based mineral. The flat layer self-curls into a predetermined shape upon absorption of an aqueous fluid. The methods for preparing the membran...