ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,534,542, issued on Jan. 27, was assigned to BEREN THERAPEUTICS P.B.C. (Thousand Oaks, Calif.).

"Compositions of hydroxypropyl-beta-cyclodextrin and methods of purifying the same" was invented by Steven Pfeiffer (West Hollywood, Calif.), Dustin McMinn (West Hollywood, Calif.) and Gabor Benkovics (West Hollywood, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to compositions comprising mixtures of hydroxypropyl-Beta-cyclodextrin, wherein the compositions may be isomerically purified. The disclosure also relates to methods of isomerically purifying a mixture of hydroxypropyl-Beta-cyclodextrins."

The patent was filed o...