ALEXANDRIA, Va., July 30 -- United States Patent no. 12,371,420, issued on July 29, was assigned to Karyopharm Therapeutics Inc. (Newton, Mass.).
"Polymorphs of Selinexor" was invented by Brian C. Austad (Tewksbury, Mass.) and David G. Roe (Rockwood, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to crystalline forms of the compound represented by Structural Formula I, and compositions comprising crystalline forms of the compound represented by Structural Formula I described herein. The crystalline forms of the compound of Structural Formula I and compositions comprising the crystalline forms of the compound of Structural Formula I provided herein, in particular, single c...