US Patent Issued to IMAM MOHAMMAD IBN SAUD ISLAMIC UNIVERSITY on March 4 for "Hydroxyapatite-enclosed zinc phosphate nanocomposite" (Saudi Arabia Inventors)

ALEXANDRIA, Va., March 5 -- United States Patent no. 12,239,741, issued on March 4, was assigned to IMAM MOHAMMAD IBN SAUD ISLAMIC UNIVERSITY (Riyadh, Saudi Arabia).

"Hydroxyapatite-enclosed zinc phosphate nanocomposite" was invented by Ahmed A Allam (Riyadh, Saudi Arabia), Hassan A. Rudayni (Riyadh, Saudi Arabia), Mostafa R. Abukhadra (Riyadh, Saudi Arabia) and Islam R. Sayed (Riyadh, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A drug delivery system including a nanocomposite. The nanocomposite includes a zinc phosphate core, a hydroxyapatite shell, and chitosan. The hydroxyapatite shell at least partially encloses the zinc phosphate core. Further, the chitosan at least partially wraps aroun...