US Patent Issued to Petroleo Brasileiro S.A.-Petrobras, Universidade Estatual de Maringa on Nov. 25 for "Process for the removal of H 2 S from natural gas at high pressures by means of a PSA process" (Brazilian Inventors)

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,064, issued on Nov. 25, was assigned to Petroleo Brasileiro S.A.-Petrobras (Rio de Janeiro, Brazil) and Universidade Estatual de Maringa (Maringa, Brazil).

"Process for the removal of H 2 S from natural gas at high pressures by means of a PSA process" was invented by Pedro Augusto Arroyo (Maringa, Brazil), Fernando Gusman Brandao (Rio de Janeiro, Brazil), Jailton Ferreira Do Nascimento (Rio de Janeiro, Brazil), Leonardo Hadlich De Oliveira (Maringa, Brazil) and Artur Lemes Moretti (Maringa, Brazil).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention addresses to the use of NaY zeolite with a Si/Al ratioless than2.6 as a solid adsorbe...