ALEXANDRIA, Va., March 4 -- 3M Innovative Properties, St. Paul, Minnesota, has been assigned a patent (8,968,869) developed by five co-inventors for a "curable-on-demand polysiloxane coating composition." The co-inventors are Yu Yang, Eden Prairie, Minnesota, Michael A. Semonick, White Bear Lake, Minnesota, George G.I. Moore, Afton, Minnesota, Larry D. Boardman, Woodbury, Minnesota, and Michele A. Craton, Cottage Grove, Minnesota.

The patent application was filed on June 27, 2011 . . .