ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,459,822, issued on Nov. 4, was assigned to NAWATECHNOLOGIES (Aix en Provence, France), CY CERGY PARIS UNIVERSITE (Cergy-Pontoise, France), COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES (Paris) and UNIVERSITE DE TOURS (Tours, France).

"Method for preparing a porous carbonaceous substrate having carbon nanotubes on its surface and its body" was invented by Pierre-Henri Aubert (Osny, France), Philippe Banet (Acheres, France), Aurelien Boisset (Gardanne, France), Lea Darchy (Greasque, France), Jeremie Descarpentries (Gif sur Yvette, France), Fouad Ghamouss (Joues les Tours, France), Harald Hauf (La Seyne sur Mer, France), Martine Mayne (Les Molieres, France), Mathieu Pinau...