US Patent Issued to Surmodics on Sept. 9 for "Low particulate lubricious coating with vinyl pyrrolidone and acidic polymer-containing layers" (Minnesota Inventors)

ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,409,253, issued on Sept. 9, was assigned to Surmodics Inc. (Eden Prairie, Minn.).

"Low particulate lubricious coating with vinyl pyrrolidone and acidic polymer-containing layers" was invented by David E. Babcock (Brooklyn Park, Minn.), Timothy M. Kloke (Victoria, Minn.) and Joseph S. McGonigle (Minneapolis).

According to the abstract* released by the U.S. Patent & Trademark Office: "A lubricious coating for a medical device is formed including first and second coated layers. The first coated layer is between the second coated layer and the device surface and includes a vinyl pyrrolidone polymer and a photo reactive group. The second coated layer is in direct contact with the first c...