ALEXANDRIA, Va., July 28 -- United States Patent no. 12,691,200, issued on July 28, was assigned to SurGen Tec LLC (Boca Raton, Fla.).

"Bone graft composition" was invented by Travis Greenhalgh (Boca Raton, Fla.) and Andrew Shoup (Ft. Lauderdale, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A particle comprising hydroxyapatite, Beta-tricalcium phosphate, Alpha-tricalcium phosphate, and/or bioactive glass is provided. The particle can be useful in bone graft compositions further comprising a carrier. The composition can include a quadphasic particle having hydroxyapatite, Beta-tricalcium phosphate, Alpha-tricalcium phosphate, bioactive glass, and a carrier. The particle can have a size in the range of ...