ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,469, issued on March 18, was assigned to Chuan Shih (Taipei, Taiwan) and ANBOGEN THERAPEUTICS INC. (Taipei, Taiwan).

"Crystalline forms of (E)-N-hydroxy-3-(1-(phenylsulfonyl)indolin-5-yl)acrylamide" was invented by Tsu-An Hsu (Taipei, Taiwan) and Sue-Ming Chang (Taipei, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein is a specific crystalline forms of (E)-N-hydroxy-3-(1-(phenylsulfonyl) indolin-5-yl) acrylamide (ABT-301), the pharmaceutical composition and capsule comprising the same, the intermediate and the medical application thereof. Said crystalline forms of ABT-301 can exhibit unexpected stability and improved pharmacok...