ALEXANDRIA, Va., June 17 -- United States Patent no. 12,312,915, issued on May 27, was assigned to PETROLEO BRASILEIRO S.A.-PETROBRAS (Rio de Janeiro, Brazil).

"Assisted autonomous treatment system and process in pre-salt production platforms, and their uses" was invented by Tatiana Pitchon Sampaio (Rio de Janeiro, Brazil), Lilia Naveira Bukahi (Rio de Janeiro, Brazil), Fernando Antonio Moreira Da Silva (Rio de Janeiro, Brazil), Marcelo Almeida Gomes (Rio de Janeiro, Brazil), Patricia Braga Gusmao (Rio de Janeiro, Brazil), Mario Germino Ferreira Da Silva (Rio de Janeiro, Brazil), Bernardo Caldeira Dias (Rio de Janeiro, Brazil), Leandro Fernandes Telles (Rio de Janeiro, Brazil), Valtair Marcos Cristante (Rio de Janeiro, Brazil), Geraldo Mar...