ALEXANDRIA, Va., June 17 -- United States Patent no. 12,312,308, issued on May 27, was assigned to Opus Genetics Inc. (Farmington Hills, Mich.).

"Salts and esters of APX3330 and therapeutic uses thereof" was invented by Daniela Carmen Oniciu (Gainesville, Fla.), Corina-Mihaela Manta (Bucharest, Romania), Anthony Carestia (Greensboro, N.C.) and Jon Housley (Summerfield, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "This invention relates to Compound 1 (APX3330) salts and esters. The invention also provides compositions comprising a Compound 1 salt or ester. The invention also provides compounds of formula (I) and formula (II) and pharmaceutically acceptable salts thereof. The invention further provides ...