ALEXANDRIA, Va., March 17 -- United States Patent no. 12,576,182, issued on March 17, was assigned to Ethicon Inc. (Raritan, N.J.).

"Absorbable dressings for sealing sensitive neural tissue and dura matter" was invented by Sai Veruva (Somerville, N.J.) and Leo B. Kriksunov (Ithaca, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention is directed to a sealant patch for use on or over sensitive tissue, comprising: a flat, flexible, bioresorbable substrate coated by a moisture-activated adhesive on one side thereof, wherein said adhesive is at least partially inactivated in a first portion of said patch, but remains active in peripheral areas surrounding the first portion. The adherence of ...