These are the patents associated with the New Drug Application number(s) below. Click a Patent Number to be taken to the patent documents. NDA #20972 Patent(s) 5519021 5663169 5811423 6238695 6555133 6639071 6939964 Share this: Click to share on X (Opens in new window) X Click to share on LinkedIn (Opens in new window) LinkedIn Click to share on Facebook (Opens in new window) Facebook Click to share on Pocket (Opens in new window) Pocket Click to share on Reddit (Opens in new window) Reddit